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not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand the ALT blood test, high ALT results, alanine aminotransferase, liver panel patterns, AST comparison, medicines, alcohol, fatty liver, hepatitis testing, and follow-up questions." }, { "title": "AMH Test | Ovarian Reserve, Fertility Claims, PCOS, and Result Limits", "url": "https://mainstreetbloodlab.com/articles/amh-test-ovarian-reserve.html", "path": "/articles/amh-test-ovarian-reserve.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 9, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to anti-Mullerian hormone AMH testing, ovarian reserve, fertility treatment context, PCOS questions, menopause claims, and what AMH cannot predict." }, { "title": "Amylase and Lipase Blood Tests | Pancreatitis, Timing, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/amylase-lipase-blood-tests.html", "path": "/articles/amylase-lipase-blood-tests.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-29", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand amylase and lipase blood tests for pancreatitis questions, including timing, salivary sources, chronic disease follow-up, urgent symptoms, and what comes next." }, { "title": "Angiostrongylus Testing | Rat Lungworm, Eosinophilic Meningitis, CSF, PCR, Antibody, and Travel Exposure", "url": "https://mainstreetbloodlab.com/articles/angiostrongylus-testing.html", "path": "/articles/angiostrongylus-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Angiostrongylus testing, including rat lungworm disease, eosinophilic meningitis, CSF findings, PCR or antibody testing, travel exposure, and CDC context." }, { "title": "Anion Gap Blood Test | High Anion Gap, Low CO2, Acidosis, Albumin Context", "url": "https://mainstreetbloodlab.com/articles/anion-gap-blood-test.html", "path": "/articles/anion-gap-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-29", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand anion gap blood test results, including high anion gap, low anion gap, CO2/bicarbonate, metabolic acidosis, ketoacidosis, lactic acidosis, kidney disease, albumin correction, and urgent follow-up." }, { "title": "Anisakis Allergy and Antibody Testing | Raw Fish Exposure, Endoscopy, IgE, Eosinophils, and Diagnosis Limits", "url": "https://mainstreetbloodlab.com/articles/anisakis-allergy-antibody-testing.html", "path": "/articles/anisakis-allergy-antibody-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Anisakis allergy and antibody testing, including raw fish exposure, anisakiasis diagnosis, endoscopy, IgE antibody questions, eosinophils, and test limits." }, { "title": "ANKRD26 Genetic Testing | Inherited Thrombocytopenia, Low Platelets, Myeloid Risk, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/ankrd26-genetic-testing-inherited-thrombocytopenia.html", "path": "/articles/ankrd26-genetic-testing-inherited-thrombocytopenia.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand ANKRD26 genetic testing for inherited thrombocytopenia, including low platelets, normal platelet size, myeloid risk, germline confirmation, and family testing." }, { "title": "Antiphospholipid Syndrome Antibody Testing | Lupus Anticoagulant, Repeat Testing, and Clot Risk", "url": "https://mainstreetbloodlab.com/articles/antiphospholipid-syndrome-antibody-testing.html", "path": "/articles/antiphospholipid-syndrome-antibody-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand antiphospholipid syndrome antibody testing, including lupus anticoagulant, anticardiolipin, beta-2 glycoprotein I, repeat testing, clot risk, pregnancy loss, and false positives." }, { "title": "ApoB and Lp(a) Blood Tests | Advanced Cholesterol and Heart Risk Markers", "url": "https://mainstreetbloodlab.com/articles/apob-lpa-blood-test.html", "path": "/articles/apob-lpa-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to ApoB and lipoprotein(a), including what these blood tests measure, when they may be ordered, result caveats, and how they differ from a lipid panel." }, { "title": "APOE Genetic Testing Claims | Alzheimer's Risk, e4, Lipids, DTC Reports, and Limits", "url": "https://mainstreetbloodlab.com/articles/apoe-genetic-testing-claims.html", "path": "/articles/apoe-genetic-testing-claims.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand APOE genetic testing claims, including APOE e4, late-onset Alzheimer" }, { "title": "APOE testing for Alzheimer risk | risk marker, family history, and limits", "url": "https://mainstreetbloodlab.com/articles/apoe-genetic-testing.html", "path": "/articles/apoe-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand APOE testing for Alzheimer risk, including e2/e3/e4, what a positive result means, when counseling helps, and why APOE does not diagnose disease." }, { "title": "aPTT Blood Test Guide | High PTT, Heparin, Bleeding, Clotting Factors, and Lupus Anticoagulant", "url": "https://mainstreetbloodlab.com/articles/aptt-blood-test.html", "path": "/articles/aptt-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand aPTT/PTT blood testing, including high or prolonged PTT, heparin monitoring, bleeding workups, clotting factors, lupus anticoagulant, mixing studies, PT/INR comparison, and urgent symptoms." }, { "title": "Ascaris Stool Test | Roundworm Eggs, O&P Exam, Travel, Soil Exposure, and Repeat Samples", "url": "https://mainstreetbloodlab.com/articles/ascaris-stool-test.html", "path": "/articles/ascaris-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Ascaris stool testing, including roundworm eggs, ova and parasite exams, travel and soil exposure, repeat specimens, and follow-up questions." }, { "title": "AST Blood Test | High AST, AST/ALT Ratio, Liver and Muscle Follow-Up", "url": "https://mainstreetbloodlab.com/articles/ast-blood-test.html", "path": "/articles/ast-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-29", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand the AST blood test, high AST results, aspartate aminotransferase, AST/ALT ratio, liver panel patterns, muscle injury, alcohol, hepatitis, CK, and follow-up questions." }, { "title": "Astrovirus Stool Test | PCR, Viral Gastroenteritis, Outbreak Context, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/astrovirus-stool-test.html", "path": "/articles/astrovirus-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand astrovirus stool testing, including RT-PCR, GI panels, foodborne outbreak confirmation, symptoms, co-detections, and result limits." }, { "title": "At-Home Cortisol Rhythm Tests | Saliva Panels, Stress Claims, Cushing Screening, and Limits", "url": "https://mainstreetbloodlab.com/articles/at-home-cortisol-rhythm-tests.html", "path": "/articles/at-home-cortisol-rhythm-tests.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand at-home cortisol rhythm tests, including saliva panels, clinical workup context, stress claims, late-night salivary cortisol, 24-hour urine cortisol, Cushing screening, and limits." }, { "title": "At-Home Menopause Hormone Panel Claims | FSH, Estradiol, Saliva, and Limits", "url": "https://mainstreetbloodlab.com/articles/at-home-menopause-hormone-panel-claims.html", "path": "/articles/at-home-menopause-hormone-panel-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand at-home menopause hormone panel claims, including FSH, estradiol, saliva and urine tests, perimenopause, symptoms, hormone therapy, and limits." }, { "title": "At-Home STI Tests vs Clinic Testing | Self-Collection, Self-Tests, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/at-home-sti-tests-vs-clinic.html", "path": "/articles/at-home-sti-tests-vs-clinic.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 9, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Compare at-home STI tests, self-collection kits, and clinic testing, including FDA-approved options, CDC caveats, body-site testing, timing, and follow-up care." }, { "title": "At-Home Testosterone Optimization Claims | Low T Testing, Saliva, Blood, and Limits", "url": "https://mainstreetbloodlab.com/articles/at-home-testosterone-optimization-claims.html", "path": "/articles/at-home-testosterone-optimization-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 9, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand at-home testosterone optimization claims, including morning blood testing, saliva and finger-prick kits, low T diagnosis, free testosterone, symptoms, and treatment risks." }, { "title": "At-Home Thyroid Optimization Panels | TSH, T4, T3, Antibodies, Reverse T3, and Limits", "url": "https://mainstreetbloodlab.com/articles/at-home-thyroid-optimization-panel.html", "path": "/articles/at-home-thyroid-optimization-panel.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand at-home thyroid optimization panel claims, including TSH, free T4, T3, thyroid antibodies, reverse T3, biotin interference, screening limits, and when clinician testing matters." }, { "title": "ATM Genetic Testing Result Interpretation | Breast, Pancreatic, Prostate Risk, VUS, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/atm-genetic-testing-result-interpretation.html", "path": "/articles/atm-genetic-testing-result-interpretation.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand ATM genetic testing results, including pathogenic variants, VUS results, breast cancer risk, pancreatic and prostate risk questions, tumor-only findings, radiation questions, and family testing." }, { "title": "High Atypical Lymphocytes | Reactive Lymphocytes, Viral Illness, CBC Differential, Smear Review", "url": "https://mainstreetbloodlab.com/articles/atypical-lymphocytes-high-interpretation.html", "path": "/articles/atypical-lymphocytes-high-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand high atypical lymphocytes on a CBC differential or blood smear, including reactive lymphocytes, EBV/mono, viral illness, lymphocytosis, blasts, persistence, and follow-up questions." }, { "title": "Auer Rods on Blood Smear | AML Clue, Blasts, Promyelocytes, APL Risk, and Urgent Follow-Up", "url": "https://mainstreetbloodlab.com/articles/auer-rods-blood-smear-interpretation.html", "path": "/articles/auer-rods-blood-smear-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 17, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to Auer rods on blood smear reports, including AML clues, myeloid blasts, promyelocytes, acute promyelocytic leukemia risk, smear review, flow cytometry, cytogenetic and molecular testing, urgent symptoms, and hematology follow-up questions." }, { "title": "High Band Neutrophils | Bandemia, Left Shift, Infection, Sepsis Context, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/band-neutrophils-high-interpretation.html", "path": "/articles/band-neutrophils-high-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 16, "sectionCount": 11, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to high band neutrophils and bandemia, including left shift, immature granulocytes, infection, inflammation, sepsis context, WBC and ANC trends, toxic changes, and follow-up questions." }, { "title": "BAP1 Tumor Predisposition Genetic Testing | Melanoma, Mesothelioma, Kidney Cancer, and VUS Results", "url": "https://mainstreetbloodlab.com/articles/bap1-tumor-predisposition-genetic-testing.html", "path": "/articles/bap1-tumor-predisposition-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand BAP1 tumor predisposition genetic testing, including uveal melanoma, mesothelioma, kidney cancer, tumor-only findings, VUS results, and family testing." }, { "title": "BARD1 Genetic Testing Result Interpretation | Breast Cancer Risk, VUS, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/bard1-genetic-testing-result-interpretation.html", "path": "/articles/bard1-genetic-testing-result-interpretation.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand BARD1 genetic testing results, including pathogenic variants, VUS results, breast cancer risk, ovarian-risk questions, tumor-only findings, and family testing." }, { "title": "Basic Metabolic Panel Guide | BMP Markers, Fasting, Kidney, and Electrolytes", "url": "https://mainstreetbloodlab.com/articles/basic-metabolic-panel.html", "path": "/articles/basic-metabolic-panel.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand the basic metabolic panel, including glucose, calcium, sodium, potassium, chloride, CO2/bicarbonate, BUN, creatinine, fasting, kidney context, and BMP versus CMP." }, { "title": "High Basophil Count | Basophilia, Absolute Basophils, Allergies, Thyroid, CBC Follow-Up", "url": "https://mainstreetbloodlab.com/articles/basophil-count-high-interpretation.html", "path": "/articles/basophil-count-high-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand a high basophil count on a CBC differential, including basophilia, absolute basophils, allergies, inflammation, hypothyroidism, CML clues, repeat testing, and follow-up questions." }, { "title": "Low Basophil Count | Basopenia, CBC Differential, Acute Infection, Steroid Medicines, Hyperthyroid Context, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/basophil-count-low-interpretation.html", "path": "/articles/basophil-count-low-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand low basophil count interpretation, including basopenia, CBC differential context, acute infection, steroid medicines, hyperthyroid context, medication timing, and follow-up questions." }, { "title": "Basophilic Stippling on Blood Smear Interpretation | Lead, Thalassemia, Sideroblastic Anemia, and CBC Context", "url": "https://mainstreetbloodlab.com/articles/basophilic-stippling-blood-smear-interpretation.html", "path": "/articles/basophilic-stippling-blood-smear-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand basophilic stippling on blood smear interpretation, including lead exposure, thalassemia, sideroblastic anemia, iron studies, and follow-up questions." }, { "title": "Baylisascaris Antibody Testing | Raccoon Roundworm, Serum, CSF, Eye Findings, and CDC Testing", "url": "https://mainstreetbloodlab.com/articles/baylisascaris-antibody-testing.html", "path": "/articles/baylisascaris-antibody-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Baylisascaris antibody testing for raccoon roundworm infection, including serum, CSF, eye findings, neural larva migrans, and CDC consultation." }, { "title": "BCR-ABL1 testing for CML | PCR monitoring, Philadelphia chromosome, and limits", "url": "https://mainstreetbloodlab.com/articles/bcr-abl1-testing-cml.html", "path": "/articles/bcr-abl1-testing-cml.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand BCR-ABL1 testing for chronic myeloid leukemia, including the Philadelphia chromosome, PCR monitoring, CBC clues, FISH, karyotype, and what a positive result means." }, { "title": "Bile Acid Malabsorption Testing | Chronic Diarrhea, Serum C4, Fecal Bile Acids, and SeHCAT", "url": "https://mainstreetbloodlab.com/articles/bile-acid-malabsorption-testing.html", "path": "/articles/bile-acid-malabsorption-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand bile acid malabsorption testing, including chronic watery diarrhea, bile acid diarrhea, serum C4, fecal bile acids, SeHCAT, IBS-D overlap, U.S. lab options, and treatment trials." }, { "title": "Bilirubin Blood Test Guide | High Bilirubin, Jaundice, Direct, Indirect, Liver, and Hemolysis", "url": "https://mainstreetbloodlab.com/articles/bilirubin-blood-test.html", "path": "/articles/bilirubin-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Learn how to interpret bilirubin blood test results, including total, direct, and indirect bilirubin, high bilirubin, jaundice, liver and bile-duct patterns, hemolysis, newborn jaundice, and Gilbert syndrome." }, { "title": "Biological Age Tests Guide | Epigenetic Clocks, Biomarkers, and Longevity Claims", "url": "https://mainstreetbloodlab.com/articles/biological-age-tests.html", "path": "/articles/biological-age-tests.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand biological age tests, epigenetic clocks, blood-based age scores, biomarker claims, repeatability, and why a lower biological age does not prove longer life or better health." }, { "title": "Bite Cells on Blood Smear Interpretation | Degmacytes, G6PD, Oxidative Hemolysis, Heinz Bodies, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/bite-cells-blood-smear-interpretation.html", "path": "/articles/bite-cells-blood-smear-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand bite cells on blood smear interpretation, including degmacytes, G6PD deficiency, oxidative hemolysis, Heinz bodies, medicines, and follow-up questions." }, { "title": "Blastocystis Stool Test Interpretation | What a Positive Means, Symptoms, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/blastocystis-stool-test-interpretation.html", "path": "/articles/blastocystis-stool-test-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Blastocystis stool test interpretation, including ova and parasite exams, PCR panels, symptoms, colonization, treatment uncertainty, and when to look for another cause." }, { "title": "Blasts on CBC | Peripheral Smear, Acute Leukemia Workup, Flow Cytometry, and Urgent Follow-Up", "url": "https://mainstreetbloodlab.com/articles/blasts-on-cbc-interpretation.html", "path": "/articles/blasts-on-cbc-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to blasts on CBC or peripheral smear results, including immature blood cells, acute leukemia workup, flow cytometry, bone marrow testing, anemia, low platelets, symptoms, and when prompt hematology follow-up matters." }, { "title": "Blood Pressure Wearables | Cuffless Devices, Accuracy, and Home Monitoring", "url": "https://mainstreetbloodlab.com/articles/blood-pressure-wearables.html", "path": "/articles/blood-pressure-wearables.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalDevice", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A practical guide to blood pressure wearables, cuffless estimates, FDA-cleared devices, home monitoring, calibration, validation, and when to use an upper-arm cuff." }, { "title": "Blood Test Reference Ranges Guide | Normal, High, Low, Flags, Units, and Trends", "url": "https://mainstreetbloodlab.com/articles/blood-test-reference-ranges.html", "path": "/articles/blood-test-reference-ranges.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand blood test reference ranges, including normal, high, low, abnormal flags, units, lab-to-lab differences, trends, critical values, and clinical context." }, { "title": "BNP and NT-proBNP Blood Test Guide | Heart Failure, Shortness of Breath, Results, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/bnp-nt-probnp-heart-failure-tests.html", "path": "/articles/bnp-nt-probnp-heart-failure-tests.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 10, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Learn BNP and NT-proBNP blood test results for possible heart failure, including shortness of breath, swelling, rule-out use, high results, kidney function, obesity, age, AFib, echocardiogram, and urgent symptoms." }, { "title": "Body Composition Scale Accuracy | Bioelectrical Impedance, Hydration, DXA, and Trend Limits", "url": "https://mainstreetbloodlab.com/articles/body-composition-scale-accuracy.html", "path": "/articles/body-composition-scale-accuracy.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalDevice", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Evaluate body composition scale accuracy, including bioelectrical impedance, hydration, device differences, DXA comparisons, trend use, and consumer claim limits." }, { "title": "BRCA Testing vs Broad Cancer Panels | Hereditary Risk, VUS, and Counseling", "url": "https://mainstreetbloodlab.com/articles/brca-testing-vs-broad-cancer-panels.html", "path": "/articles/brca-testing-vs-broad-cancer-panels.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand BRCA1/BRCA2 testing versus broad hereditary cancer panels, including breast and ovarian cancer risk, family history, VUS results, counseling, and limits." }, { "title": "BRCA VUS Result Interpretation | Uncertain Variants, Family History, and Reclassification", "url": "https://mainstreetbloodlab.com/articles/brca-vus-result-interpretation.html", "path": "/articles/brca-vus-result-interpretation.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand a BRCA variant of uncertain significance result, including what a VUS means, what it should not change by itself, family-history context, and reclassification questions." }, { "title": "BRIP1 Genetic Testing Result Interpretation | Ovarian Cancer Risk, VUS, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/brip1-genetic-testing-result-interpretation.html", "path": "/articles/brip1-genetic-testing-result-interpretation.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand BRIP1 genetic testing results, including ovarian cancer risk, breast-risk questions, VUS results, tumor-only findings, and family testing." }, { "title": "BUN/Creatinine Ratio | Kidney Function, Dehydration, and Interpretation Limits", "url": "https://mainstreetbloodlab.com/articles/bun-creatinine-ratio.html", "path": "/articles/bun-creatinine-ratio.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand BUN/creatinine ratio results, including BUN, creatinine, kidney function, dehydration, high protein intake, GI bleeding clues, low muscle mass, and follow-up." }, { "title": "Burr Cells on Blood Smear Interpretation | Echinocytes, Kidney Failure, Pyruvate Kinase Deficiency, and Artifact", "url": "https://mainstreetbloodlab.com/articles/burr-cells-blood-smear-interpretation.html", "path": "/articles/burr-cells-blood-smear-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand burr cells on blood smear interpretation, including echinocytes, kidney failure, pyruvate kinase deficiency, smear artifact, and follow-up questions." }, { "title": "BV and Yeast Testing vs STI Testing | Vaginitis Swabs and Panel Gaps", "url": "https://mainstreetbloodlab.com/articles/bv-yeast-test-vs-sti.html", "path": "/articles/bv-yeast-test-vs-sti.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A CDC-aligned guide to bacterial vaginosis and yeast testing versus STI testing, including vaginal swabs, pH, wet mount, NAAT panels, trichomoniasis overlap, and when STI tests are still needed." }, { "title": "C. diff Testing | Stool PCR, Toxin Tests, Antibiotics, Diarrhea, and Colonization", "url": "https://mainstreetbloodlab.com/articles/c-diff-testing.html", "path": "/articles/c-diff-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-29", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand C. diff testing, including stool PCR/NAAT, toxin tests, GDH, antibiotic-associated diarrhea, colonization, when to test, repeat testing, and result limits." }, { "title": "Cabot Rings on Blood Smear Interpretation | Megaloblastic Anemia, Marrow Stress, and Vitamin B12/Folate Context", "url": "https://mainstreetbloodlab.com/articles/cabot-rings-blood-smear-interpretation.html", "path": "/articles/cabot-rings-blood-smear-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 9, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Cabot rings on blood smear interpretation, including megaloblastic anemia, marrow stress, vitamin B12 and folate context, and follow-up questions." }, { "title": "Calcium Blood Test Guide | Total Calcium, Ionized Calcium, Albumin, PTH, Vitamin D, and Results", "url": "https://mainstreetbloodlab.com/articles/calcium-blood-test.html", "path": "/articles/calcium-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 9, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Learn calcium blood test results, including total calcium, ionized calcium, albumin correction, high or low calcium, PTH, vitamin D, kidney disease, supplements, and follow-up." }, { "title": "CALR and MPL testing for MPNs | JAK2 reflex panels for ET and myelofibrosis", "url": "https://mainstreetbloodlab.com/articles/calr-mpl-testing-myeloproliferative-neoplasms.html", "path": "/articles/calr-mpl-testing-myeloproliferative-neoplasms.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand CALR and MPL testing in myeloproliferative neoplasm workups, including JAK2 reflex panels, reactive thrombocytosis, essential thrombocythemia, myelofibrosis, and what positive or negative results mean." }, { "title": "Campylobacter Stool Test | Culture, PCR, Foodborne Diarrhea, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/campylobacter-stool-test.html", "path": "/articles/campylobacter-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Campylobacter stool testing, including culture, PCR/CIDT, foodborne diarrhea, bloody stool, outbreak follow-up, and antimicrobial susceptibility questions." }, { "title": "Carrier screening genetic test | pregnancy planning, residual risk, and limits", "url": "https://mainstreetbloodlab.com/articles/carrier-screening-genetic-test.html", "path": "/articles/carrier-screening-genetic-test.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand carrier screening genetic tests, recessive conditions, pregnancy planning, partner testing, residual risk, expanded carrier panels, and when genetic counseling helps." }, { "title": "CBC Blood Test Guide | Complete Blood Count Markers, Differential, and Results", "url": "https://mainstreetbloodlab.com/articles/cbc-blood-test.html", "path": "/articles/cbc-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand CBC blood test results, including red blood cells, white blood cells, platelets, hemoglobin, hematocrit, MCV, differential, abnormal flags, and follow-up questions." }, { "title": "Celiac Disease Blood Tests | tTG-IgA, Total IgA, Gluten, Biopsy, and HLA Testing", "url": "https://mainstreetbloodlab.com/articles/celiac-disease-blood-tests.html", "path": "/articles/celiac-disease-blood-tests.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand celiac disease blood testing, including tTG-IgA, total IgA, gluten intake, biopsy confirmation, HLA testing, false negatives, and follow-up questions." }, { "title": "Ceruloplasmin Blood Test | Wilson Disease, Copper Deficiency, High Results, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/ceruloplasmin-blood-test.html", "path": "/articles/ceruloplasmin-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand the ceruloplasmin blood test, including Wilson disease workups, copper deficiency, pregnancy and inflammation false highs, liver and neurologic clues, and follow-up questions." }, { "title": "CGM for Non-Diabetics | Continuous Glucose Monitors, Wellness Claims, and Limits", "url": "https://mainstreetbloodlab.com/articles/cgm-for-non-diabetics.html", "path": "/articles/cgm-for-non-diabetics.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A practical guide to CGM for people without diabetes, including what continuous glucose monitors measure, what patterns can and cannot prove, and FDA smartwatch cautions." }, { "title": "Chagas Disease Antibody Testing | Trypanosoma cruzi, Latin America Exposure, Blood Donor Screening, and Confirmation", "url": "https://mainstreetbloodlab.com/articles/chagas-disease-antibody-testing.html", "path": "/articles/chagas-disease-antibody-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Chagas disease antibody testing, including Trypanosoma cruzi, Latin America exposure, blood donor screening, chronic infection, confirmatory testing, and CDC context." }, { "title": "CHEK2 Genetic Testing Result Interpretation | Breast, Colon, Prostate Risk, VUS, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/chek2-genetic-testing-result-interpretation.html", "path": "/articles/chek2-genetic-testing-result-interpretation.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand CHEK2 genetic testing results, including pathogenic variants, VUS results, breast cancer risk, colon and prostate risk questions, tumor-only findings, and family testing." }, { "title": "Chlamydia and Gonorrhea Testing Guide | Urine, Swabs, NAAT, Throat, Rectal, and Results", "url": "https://mainstreetbloodlab.com/articles/chlamydia-gonorrhea-testing.html", "path": "/articles/chlamydia-gonorrhea-testing.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 10, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand chlamydia and gonorrhea testing, including NAAT urine and swab samples, vaginal, cervical, urethral, throat and rectal testing, self-collection, screening, positive results, and retesting." }, { "title": "Chloride and CO2/Bicarbonate Blood Test | Electrolyte and Acid-Base Context", "url": "https://mainstreetbloodlab.com/articles/chloride-co2-bicarbonate-blood-test.html", "path": "/articles/chloride-co2-bicarbonate-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand chloride and CO2/bicarbonate blood test results, including electrolyte panels, dehydration, acid-base balance, kidney function, medicines, and anion gap context." }, { "title": "CLIA-Certified Lab vs FDA-Authorized Test | What Those Labels Mean", "url": "https://mainstreetbloodlab.com/articles/clia-certified-lab-fda-authorized-test.html", "path": "/articles/clia-certified-lab-fda-authorized-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 11, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand CLIA-certified labs, FDA-authorized tests, home-use tests, direct-to-consumer claims, lab-developed tests, and what quality labels do and do not prove." }, { "title": "Clonorchis and Opisthorchis Antibody Testing | Liver Flukes, Stool Eggs, Raw Fish, Bile Duct Disease, and Cancer Risk", "url": "https://mainstreetbloodlab.com/articles/clonorchis-opisthorchis-antibody-testing.html", "path": "/articles/clonorchis-opisthorchis-antibody-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Clonorchis and Opisthorchis testing, including liver flukes, stool egg diagnosis, raw freshwater fish exposure, bile duct disease, and cholangiocarcinoma context." }, { "title": "Coagulation Factor Assays | Factor VIII, IX, XI, Fibrinogen, Bleeding Workups, and Inhibitors", "url": "https://mainstreetbloodlab.com/articles/coagulation-factor-assays.html", "path": "/articles/coagulation-factor-assays.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand coagulation factor assays, including factor VIII, IX, XI, fibrinogen, hemophilia, PT/aPTT patterns, bleeding workups, and result limits." }, { "title": "Comprehensive Metabolic Panel Guide | CMP Blood Test Markers, Fasting, and Results", "url": "https://mainstreetbloodlab.com/articles/comprehensive-metabolic-panel.html", "path": "/articles/comprehensive-metabolic-panel.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand the comprehensive metabolic panel, including CMP markers for glucose, electrolytes, kidneys, liver, proteins, calcium, fasting, BMP comparison, and result limits." }, { "title": "Consumer altitude readiness score claims | what it can and cannot tell you", "url": "https://mainstreetbloodlab.com/articles/consumer-altitude-readiness-score-claims.html", "path": "/articles/consumer-altitude-readiness-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer altitude readiness score claims from wearables and apps, including oxygen saturation, HRV, acclimatization, altitude illness, and validation limits." }, { "title": "Consumer Alzheimer's blood biomarker test claims | p-tau217, amyloid, and screening limits", "url": "https://mainstreetbloodlab.com/articles/consumer-alzheimers-blood-biomarker-test-claims.html", "path": "/articles/consumer-alzheimers-blood-biomarker-test-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer Alzheimer" }, { "title": "Consumer Amino Acid Panel Claims | Plasma Amino Acids, Nutrition, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-amino-acid-panel-claims.html", "path": "/articles/consumer-amino-acid-panel-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer amino acid panel claims, including plasma amino acid testing, metabolic disorders, nutrition and supplement reports, sample handling, and limits." }, { "title": "Consumer autonomic age score claims | HRV, autonomic testing, and validation limits", "url": "https://mainstreetbloodlab.com/articles/consumer-autonomic-age-score-claims.html", "path": "/articles/consumer-autonomic-age-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer autonomic age score claims, including HRV, resting heart rate, wearables, autonomic testing, and validation limits." }, { "title": "Consumer Biological Resilience Score Claims | Aging Biomarkers, Recovery, Stress Response, and Validation", "url": "https://mainstreetbloodlab.com/articles/consumer-biological-resilience-score-claims.html", "path": "/articles/consumer-biological-resilience-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer biological resilience score claims, including aging biomarkers, recovery claims, stress response, biological age, blood proteins, FDA context, and validation limits." }, { "title": "Consumer breathing age score claims | spirometry, CPET, and validation limits", "url": "https://mainstreetbloodlab.com/articles/consumer-breathing-age-score-claims.html", "path": "/articles/consumer-breathing-age-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer breathing age score claims, including spirometry, CPET, respiratory rate, oxygen saturation, symptoms, and validation limits." }, { "title": "Consumer breathing capacity score claims | spirometry, CPET, and validation limits", "url": "https://mainstreetbloodlab.com/articles/consumer-breathing-capacity-score-claims.html", "path": "/articles/consumer-breathing-capacity-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer breathing capacity score claims, including spirometry, CPET, respiratory rate, oxygen saturation, wearables, symptoms, and validation limits." }, { "title": "Consumer Breathing Efficiency Score Claims | Wearables, CPET, Ventilation, Respiratory Rate, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-breathing-efficiency-score-claims.html", "path": "/articles/consumer-breathing-efficiency-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer breathing efficiency score claims, including wearables, CPET, ventilation, respiratory rate, oxygen saturation, training, and validation limits." }, { "title": "Consumer breathing readiness score claims | respiratory rate, SpO2, CPET, and validation limits", "url": "https://mainstreetbloodlab.com/articles/consumer-breathing-readiness-score-claims.html", "path": "/articles/consumer-breathing-readiness-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer breathing readiness score claims, including respiratory rate, SpO2, CPET concepts, wearables, symptoms, and validation limits." }, { "title": "Consumer breathing reserve score claims | CPET, ventilatory reserve, and validation limits", "url": "https://mainstreetbloodlab.com/articles/consumer-breathing-reserve-score-claims.html", "path": "/articles/consumer-breathing-reserve-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer breathing reserve score claims, including CPET ventilatory reserve, spirometry, respiratory rate, oxygen saturation, symptoms, and validation limits." }, { "title": "Consumer Breathing Strain Score Claims | Respiratory Rate, SpO2, CPET, Wearables, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-breathing-strain-score-claims.html", "path": "/articles/consumer-breathing-strain-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer breathing strain score claims, including respiratory rate, SpO2, CPET, symptoms, validation limits, and what the number cannot prove." }, { "title": "Consumer Breathwork Score Claims | HRV Biofeedback, Respiratory Rate, Stress, Coherence, and Wearable Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-breathwork-score-claims.html", "path": "/articles/consumer-breathwork-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer breathwork score claims, including HRV biofeedback, respiratory rate, coherence breathing, stress scores, wearable limits, and validation questions." }, { "title": "Consumer Caffeine Metabolism Score Claims | CYP1A2, ADORA2A, Sleep, Anxiety, Blood Pressure, and Genetic Testing Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-caffeine-metabolism-score-claims.html", "path": "/articles/consumer-caffeine-metabolism-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer caffeine metabolism score claims, including CYP1A2, ADORA2A, sleep timing, anxiety, blood pressure, genotype limits, and practical follow-up questions." }, { "title": "Consumer cancer methylation blood test claims | MCED screening limits", "url": "https://mainstreetbloodlab.com/articles/consumer-cancer-methylation-blood-test-claims.html", "path": "/articles/consumer-cancer-methylation-blood-test-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer cancer methylation blood test claims, including cfDNA methylation, MCED screening limits, false positives, false negatives, and what follow-up is still required." }, { "title": "Consumer Circadian Rhythm Score Claims | Sleep Timing, Light Exposure, Chronotype, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-circadian-rhythm-score-claims.html", "path": "/articles/consumer-circadian-rhythm-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer circadian rhythm score claims from wearables and apps, including sleep timing, light exposure, chronotype, body temperature, validation, and limits." }, { "title": "Consumer CO2 Tolerance Score Claims | Breath Holds, Capnography, CPET, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-co2-tolerance-score-claims.html", "path": "/articles/consumer-co2-tolerance-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer CO2 tolerance score claims, including breath holds, capnography, end-tidal CO2, CPET, breathing apps, and validation limits." }, { "title": "Consumer Cognitive Readiness Score Claims | Sleep, Reaction Time, Focus, Fatigue, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-cognitive-readiness-score-claims.html", "path": "/articles/consumer-cognitive-readiness-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer cognitive readiness score claims, including sleep, reaction time, focus, fatigue, wearables, mental performance, and validation limits." }, { "title": "Consumer Cortisol Stress Score Claims | Saliva, Blood, Urine, Adrenal Fatigue, and Rhythm Tests", "url": "https://mainstreetbloodlab.com/articles/consumer-cortisol-stress-score-claims.html", "path": "/articles/consumer-cortisol-stress-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer cortisol stress score claims, including saliva cortisol rhythms, blood and urine cortisol testing, adrenal fatigue claims, stress scores, ACTH follow-up, and medical workup." }, { "title": "Consumer Dehydration Risk Score Claims | Wearables, Sweat, Urine, Electrolytes, Symptoms, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-dehydration-risk-score-claims.html", "path": "/articles/consumer-dehydration-risk-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer dehydration risk score claims from wearables and apps, including sweat, urine, electrolytes, symptoms, heat exposure, validation limits, and safety caveats." }, { "title": "Consumer Exertion Tolerance Score Claims | VO2 Max, Heart Rate, Recovery, Symptoms, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-exertion-tolerance-score-claims.html", "path": "/articles/consumer-exertion-tolerance-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer exertion tolerance score claims, including VO2 max estimates, heart rate, recovery, symptoms, validation limits, and when clinical evaluation matters." }, { "title": "Consumer Exosome Biomarker Testing Claims | Liquid Biopsy, Cancer Screening, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-exosome-biomarker-testing-claims.html", "path": "/articles/consumer-exosome-biomarker-testing-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer exosome biomarker testing claims, including liquid biopsy, extracellular vesicles, cancer screening research, FDA cautions, and clinical utility limits." }, { "title": "Consumer Focus Score Claims | Attention Apps, Sleep, HRV, Reaction Time, Caffeine, Wearables, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-focus-score-claims.html", "path": "/articles/consumer-focus-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer focus score claims, including attention apps, sleep, HRV, reaction-time tasks, caffeine, wearables, fatigue, productivity, and validation limits." }, { "title": "Consumer Frailty Score Claims | Grip Strength, Gait Speed, Function, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-frailty-score-claims.html", "path": "/articles/consumer-frailty-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer frailty score claims, including grip strength, gait speed, wearables, biomarkers, aging risk, functional assessment, and validation limits." }, { "title": "Consumer Glycation and AGE Testing Claims | Skin Autofluorescence, A1C, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-glycation-age-testing-claims.html", "path": "/articles/consumer-glycation-age-testing-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer glycation and advanced glycation end product AGE testing claims, including skin autofluorescence, A1C context, diabetes risk, and limits." }, { "title": "Consumer Healthspan Score Claims | Biomarkers, Biological Age, Fitness, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-healthspan-score-claims.html", "path": "/articles/consumer-healthspan-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer healthspan score claims, including blood biomarkers, biological age, fitness, wearable data, FDA wellness context, and validation limits." }, { "title": "Consumer Heat Strain Score Claims | wearables, heat stress, heart rate, temperature, hydration, and validation limits", "url": "https://mainstreetbloodlab.com/articles/consumer-heat-strain-score-claims.html", "path": "/articles/consumer-heat-strain-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer heat strain score claims from wearables and apps, including heat stress, heart rate, skin temperature, core temperature estimates, hydration, work-rest decisions, and validation limits." }, { "title": "Consumer Heavy Metal Panel Claims | Lead, Mercury, Arsenic, Blood, Urine", "url": "https://mainstreetbloodlab.com/articles/consumer-heavy-metal-panel-claims.html", "path": "/articles/consumer-heavy-metal-panel-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer heavy metal panel claims, including lead, mercury, arsenic, blood and urine testing, exposure history, detox claims, chelation, and limits." }, { "title": "Consumer Hydration Readiness Score Claims | Wearables, Sweat, Urine, Electrolytes, Dehydration, Sodium, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-hydration-readiness-score-claims.html", "path": "/articles/consumer-hydration-readiness-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer hydration readiness score claims, including wearables, sweat metrics, urine color, electrolytes, dehydration symptoms, sodium, exercise, heat, and validation limits." }, { "title": "Consumer Illness Risk Score Claims | Temperature, HRV, Respiratory Rate, Sleep, Symptoms, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-illness-risk-score-claims.html", "path": "/articles/consumer-illness-risk-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer illness risk score claims from wearables and apps, including temperature, HRV, heart rate, respiratory rate, sleep, symptom prompts, validation limits, and clinical testing caveats." }, { "title": "Consumer Immune Age Score Claims | Inflammaging, Blood Proteins, Immune Cells, Aging, and Validation", "url": "https://mainstreetbloodlab.com/articles/consumer-immune-age-score-claims.html", "path": "/articles/consumer-immune-age-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer immune age score claims, including inflammaging, blood proteins, immune-cell markers, biological age, immune resilience, FDA context, and validation limits." }, { "title": "Consumer Inflammation Score Tests | CRP, ESR, Cytokines, Wellness Panels, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-inflammation-score-tests.html", "path": "/articles/consumer-inflammation-score-tests.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer inflammation score tests, including CRP, hs-CRP, ESR, cytokine panels, direct-to-consumer lab claims, nonspecific results, and follow-up questions." }, { "title": "Consumer insulin resistance score claims | HOMA-IR, LP-IR, and screening limits", "url": "https://mainstreetbloodlab.com/articles/consumer-insulin-resistance-score-claims.html", "path": "/articles/consumer-insulin-resistance-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer insulin resistance score claims, including HOMA-IR, LP-IR, fasting insulin, and why A1C, fasting glucose, or OGTT still drive diagnosis." }, { "title": "Consumer Jet Lag Score Claims | Wearables, Circadian Timing, Sleep Debt, Light Exposure, and Travel Recovery", "url": "https://mainstreetbloodlab.com/articles/consumer-jet-lag-score-claims.html", "path": "/articles/consumer-jet-lag-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer jet lag score claims, including wearables, circadian timing, sleep debt, light exposure, travel recovery, shift-work caveats, and validation limits." }, { "title": "Consumer Lipidomics Testing Claims | Blood Lipids, Risk Scores, and Clinical Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-lipidomics-testing-claims.html", "path": "/articles/consumer-lipidomics-testing-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer lipidomics testing claims, including blood lipid species, cardiovascular risk scores, metabolomics overlap, standard lipid panels, validation, and clinical utility limits." }, { "title": "Consumer Load Management Score Claims | Training Load, Recovery, Wearables, Injury Risk, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-load-management-score-claims.html", "path": "/articles/consumer-load-management-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer load management score claims from wearables and apps, including training load, acute-to-chronic load, recovery, injury-risk language, validation limits, and practical caveats." }, { "title": "Consumer Longevity Supplement Panel Claims | NAD, Methylation, Inflammation, Nutrients, and Evidence Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-longevity-supplement-panel-claims.html", "path": "/articles/consumer-longevity-supplement-panel-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer longevity supplement panel claims, including NAD, methylation, inflammation, nutrients, biological age, supplement recommendations, FDA context, and evidence limits." }, { "title": "Consumer Meditation Score Claims | HRV, Mindfulness Apps, Stress, Focus, EEG, Wearables, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-meditation-score-claims.html", "path": "/articles/consumer-meditation-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer meditation score claims, including HRV, mindfulness apps, stress, focus, EEG headbands, wearables, mental health caveats, and validation limits." }, { "title": "Consumer Metabolic Age Score Claims | BIA Scales, Resting Metabolic Rate, Body Composition, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-metabolic-age-score-claims.html", "path": "/articles/consumer-metabolic-age-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer metabolic age score claims, including smart scales, bioelectrical impedance, resting metabolic rate, body composition, reference populations, and actionability limits." }, { "title": "Consumer Metabolomics Testing Claims | Blood, Urine, Wellness Scores, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-metabolomics-testing-claims.html", "path": "/articles/consumer-metabolomics-testing-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer metabolomics testing claims, including blood and urine metabolite panels, wellness scores, nutrition recommendations, precision health, validation, and limits." }, { "title": "Consumer Methylation Panel Claims | MTHFR, Epigenetics, Biological Age, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-methylation-panel-claims.html", "path": "/articles/consumer-methylation-panel-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer methylation panel claims, including MTHFR, DNA methylation, epigenetic clocks, supplement recommendations, biological age, and clinical utility limits." }, { "title": "Consumer Micronutrient Panel Claims | Vitamins, Minerals, Deficiency, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-micronutrient-panel-claims.html", "path": "/articles/consumer-micronutrient-panel-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer micronutrient panel claims, including vitamin and mineral blood tests, deficiency, supplement recommendations, reference ranges, and limits." }, { "title": "Consumer Mitochondrial Function Test Claims | Lactate, Organic Acids, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-mitochondrial-function-test-claims.html", "path": "/articles/consumer-mitochondrial-function-test-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer mitochondrial function test claims, including lactate, pyruvate, organic acids, inherited mitochondrial disorders, fatigue claims, and limits." }, { "title": "Consumer Nervous System Balance Score Claims | HRV, Stress, Sympathetic, Parasympathetic, and Wearable Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-nervous-system-balance-score-claims.html", "path": "/articles/consumer-nervous-system-balance-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer nervous system balance score claims, including HRV, sympathetic and parasympathetic signals, stress scores, recovery, dysautonomia caveats, and validation limits." }, { "title": "Consumer Nootropic Panel Claims | Brain Supplements, Nutrient Tests, Genetics, Focus Scores, FDA Label Claims, and Evidence Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-nootropic-panel-claims.html", "path": "/articles/consumer-nootropic-panel-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer nootropic panel claims, including brain supplements, nutrient tests, genetics, focus scores, FDA label claim rules, hidden-drug concerns, and evidence limits." }, { "title": "Consumer Organ-Age Testing Claims | Proteins, Biological Age, and Clinical Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-organ-age-testing-claims.html", "path": "/articles/consumer-organ-age-testing-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer organ-age testing claims, including blood protein organ aging clocks, biological age, organ-specific risk scores, validation, and clinical utility limits." }, { "title": "Consumer Overtraining Score Claims | HRV, Cortisol, CK, Sleep, Performance, and Recovery Metrics", "url": "https://mainstreetbloodlab.com/articles/consumer-overtraining-score-claims.html", "path": "/articles/consumer-overtraining-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer overtraining score claims, including HRV, cortisol, creatine kinase, sleep, performance, inflammation, recovery metrics, and evidence limits." }, { "title": "Consumer Oxidative Stress Panel Claims | Free Radicals, Antioxidants, and Test Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-oxidative-stress-panel-claims.html", "path": "/articles/consumer-oxidative-stress-panel-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer oxidative stress panel claims, including antioxidant context, biomarker uncertainty, DTC test validity, and safer follow-up questions." }, { "title": "Consumer oxygen adaptation score claims | altitude, SpO2, VO2, wearables, and limits", "url": "https://mainstreetbloodlab.com/articles/consumer-oxygen-adaptation-score-claims.html", "path": "/articles/consumer-oxygen-adaptation-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer oxygen adaptation score claims, including altitude, SpO2, VO2 estimates, wearables, training adaptation, symptoms, and validation limits." }, { "title": "Consumer Oxygen Capacity Score Claims | VO2 Max, SpO2, CPET, Wearables, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-oxygen-capacity-score-claims.html", "path": "/articles/consumer-oxygen-capacity-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer oxygen capacity score claims, including VO2 max, SpO2, CPET, wearables, altitude, anemia, symptoms, and validation limits." }, { "title": "Consumer Oxygen Debt Score Claims | Wearables, Exercise Recovery, VO2, CPET, Lactate, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-oxygen-debt-score-claims.html", "path": "/articles/consumer-oxygen-debt-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer oxygen debt score claims from wearables and apps, including exercise recovery, VO2, CPET, lactate, oxygen deficit language, validation, and safety limits." }, { "title": "Consumer Oxygen Efficiency Score Claims | Wearables, VO2, CPET, Pulse Oximetry, Recovery, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-oxygen-efficiency-score-claims.html", "path": "/articles/consumer-oxygen-efficiency-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer oxygen efficiency score claims, including wearables, VO2, CPET, pulse oximetry, recovery, and validation limits." }, { "title": "Consumer Oxygen Load Score Claims | Wearables, SpO2, VO2, Altitude, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-oxygen-load-score-claims.html", "path": "/articles/consumer-oxygen-load-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer oxygen load score claims, including wearables, SpO2, VO2 estimates, altitude, recovery, symptoms, and validation limits." }, { "title": "Consumer Oxygen Readiness Score Claims | Wearables, Recovery, SpO2, CPET, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-oxygen-readiness-score-claims.html", "path": "/articles/consumer-oxygen-readiness-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer oxygen readiness score claims, including wearables, recovery, SpO2, CPET, symptoms, altitude, and validation limits." }, { "title": "Consumer Oxygen Recovery Load Score Claims | Recovery, SpO2, VO2, CPET, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-oxygen-recovery-load-score-claims.html", "path": "/articles/consumer-oxygen-recovery-load-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer oxygen recovery load score claims, including recovery, SpO2, VO2 estimates, CPET concepts, symptoms, altitude, and validation limits." }, { "title": "Consumer Oxygen Recovery Score Claims | Wearables, VO2 Recovery, CPET, Oxygen Saturation, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-oxygen-recovery-score-claims.html", "path": "/articles/consumer-oxygen-recovery-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer oxygen recovery score claims, including wearables, VO2 recovery, CPET, oxygen saturation, training recovery, symptoms, and validation limits." }, { "title": "Consumer Oxygen Reserve Score Claims | Wearables, SpO2, VO2, Altitude, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-oxygen-reserve-score-claims.html", "path": "/articles/consumer-oxygen-reserve-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer oxygen reserve score claims, including wearables, SpO2, VO2 estimates, altitude, training, symptoms, and validation limits." }, { "title": "Consumer Oxygen Strain Score Claims | Wearables, SpO2, VO2, CPET, and Safety Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-oxygen-strain-score-claims.html", "path": "/articles/consumer-oxygen-strain-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer oxygen strain score claims, including wearables, SpO2, VO2 estimates, CPET concepts, altitude, symptoms, and validation limits." }, { "title": "Consumer Oxygen Utilization Score Claims | VO2, CPET, SpO2, Wearables, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-oxygen-utilization-score-claims.html", "path": "/articles/consumer-oxygen-utilization-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer oxygen utilization score claims, including VO2, CPET, SpO2, wearables, recovery, altitude, training, and validation limits." }, { "title": "Consumer Pesticide Exposure Panel Claims | Urine Metabolites, Biomonitoring, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-pesticide-exposure-panel-claims.html", "path": "/articles/consumer-pesticide-exposure-panel-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer pesticide exposure panel claims, including urine metabolites, EPA and CDC biomonitoring, occupational exposure, diet context, direct-to-consumer tests, and limits." }, { "title": "Consumer Proteomics Testing Claims | Blood Proteins, Risk Scores, and Biomarker Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-proteomics-testing-claims.html", "path": "/articles/consumer-proteomics-testing-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer proteomics testing claims, including blood protein panels, risk scores, organ aging claims, cancer biomarker context, validation, and clinical utility limits." }, { "title": "Consumer Recovery Age Score Claims | Wearables, Readiness, HRV, Sleep, Biological Age, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-recovery-age-score-claims.html", "path": "/articles/consumer-recovery-age-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer recovery age score claims, including wearables, readiness scores, HRV, sleep, biological age language, recovery trends, and validation limits." }, { "title": "Consumer Recovery Debt Score Claims | Wearables, HRV, Sleep Debt, Training Load, Readiness, Fatigue, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-recovery-debt-score-claims.html", "path": "/articles/consumer-recovery-debt-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer recovery debt score claims, including wearables, HRV, sleep debt, training load, readiness, fatigue, soreness, illness, and validation limits." }, { "title": "Consumer Recovery Reserve Score Claims | Wearables, HRV, Sleep, Training Load, Readiness, Fatigue, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-recovery-reserve-score-claims.html", "path": "/articles/consumer-recovery-reserve-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer recovery reserve score claims, including wearables, HRV, sleep, training load, readiness, fatigue, and validation limits." }, { "title": "Consumer Recovery Supplement Stack Claims | Readiness Scores, HRV, Inflammation, Creatine, Protein, and Evidence", "url": "https://mainstreetbloodlab.com/articles/consumer-recovery-supplement-stack-claims.html", "path": "/articles/consumer-recovery-supplement-stack-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer recovery supplement stack claims, including readiness scores, HRV, inflammation markers, creatine, protein, electrolytes, supplement safety, and evidence limits." }, { "title": "Consumer Respiratory Capacity Score Claims | Wearables, CPET, Lung Function, VO2, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-respiratory-capacity-score-claims.html", "path": "/articles/consumer-respiratory-capacity-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer respiratory capacity score claims, including wearables, CPET, lung function language, VO2, respiratory rate, oxygen saturation, and validation limits." }, { "title": "Consumer Respiratory Efficiency Score Claims | CPET, Breathing Rate, SpO2, VO2, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-respiratory-efficiency-score-claims.html", "path": "/articles/consumer-respiratory-efficiency-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer respiratory efficiency score claims, including CPET, breathing rate, SpO2, VO2, wearables, ventilation, and validation limits." }, { "title": "Consumer Respiratory Fitness Score Claims | VO2 Max, Breathing Rate, Pulse Ox, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-respiratory-fitness-score-claims.html", "path": "/articles/consumer-respiratory-fitness-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer respiratory fitness score claims, including wearable VO2 max estimates, breathing rate, oxygen saturation, training trends, lung-function limits, and validation limits." }, { "title": "Consumer Respiratory Load Score Claims | Wearables, Respiratory Rate, Oxygen Saturation, Illness, Training, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-respiratory-load-score-claims.html", "path": "/articles/consumer-respiratory-load-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer respiratory load score claims from wearables, including respiratory rate, oxygen saturation, illness detection, training load, altitude, validation, and safety limits." }, { "title": "Consumer Respiratory Recovery Burden Score Claims | Wearables, Breathing, SpO2, CPET, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-respiratory-recovery-burden-score-claims.html", "path": "/articles/consumer-respiratory-recovery-burden-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer respiratory recovery burden score claims, including wearables, breathing rate, SpO2, CPET concepts, symptoms, and validation limits." }, { "title": "Consumer Respiratory Recovery Load Score Claims | Wearables, Breathing, CPET, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-respiratory-recovery-load-score-claims.html", "path": "/articles/consumer-respiratory-recovery-load-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer respiratory recovery load score claims, including wearables, respiratory rate, SpO2, CPET concepts, recovery trends, and validation limits." }, { "title": "Consumer Respiratory Recovery Score Claims | Wearables, Respiratory Rate, Oxygen Saturation, CPET, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-respiratory-recovery-score-claims.html", "path": "/articles/consumer-respiratory-recovery-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer respiratory recovery score claims, including wearables, respiratory rate, oxygen saturation, training recovery, CPET context, symptoms, and validation limits." }, { "title": "Consumer respiratory reserve score claims | CPET, ventilatory reserve, and validation limits", "url": "https://mainstreetbloodlab.com/articles/consumer-respiratory-reserve-score-claims.html", "path": "/articles/consumer-respiratory-reserve-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer respiratory reserve score claims, including CPET ventilatory reserve, spirometry, respiratory rate, oxygen saturation, symptoms, and validation limits." }, { "title": "Consumer Respiratory Resilience Score Claims | Wearables, Illness Recovery, Oxygen Saturation, CPET, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-respiratory-resilience-score-claims.html", "path": "/articles/consumer-respiratory-resilience-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer respiratory resilience score claims, including wearables, illness recovery, respiratory rate, oxygen saturation, CPET, and validation limits." }, { "title": "Consumer Respiratory Strain Score Claims | Wearables, Breathing Load, CPET, Oxygen Saturation, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-respiratory-strain-score-claims.html", "path": "/articles/consumer-respiratory-strain-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer respiratory strain score claims, including wearables, breathing load, CPET, oxygen saturation, exercise, illness signals, and validation limits." }, { "title": "Consumer Sleep Debt Score Claims | Sleep Duration, Circadian Timing, Recovery, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-sleep-debt-score-claims.html", "path": "/articles/consumer-sleep-debt-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer sleep debt score claims, including wearables, sleep duration, circadian timing, sleep quality, recovery scores, sleep disorders, and validation limits." }, { "title": "Consumer Strain Score Claims | Wearables, HRV, Training Load, Stress, Recovery, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-strain-score-claims.html", "path": "/articles/consumer-strain-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer strain score claims from wearables and apps, including HRV, heart rate, sleep, training load, stress, recovery, validation limits, and when to treat scores cautiously." }, { "title": "Consumer Sweat Electrolyte Score Claims | Hydration, Sodium Loss, Sports Use, Validation, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-sweat-electrolyte-score-claims.html", "path": "/articles/consumer-sweat-electrolyte-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer sweat electrolyte score claims, including wearable sweat sensors, hydration planning, sodium loss, sports use, validation, and limits." }, { "title": "Consumer Telomere Length Testing Claims | Biological Age, Longevity, and Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-telomere-length-testing-claims.html", "path": "/articles/consumer-telomere-length-testing-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer telomere length testing claims, including biological age, leukocyte telomere length, longevity marketing, repeat testing, and actionability limits." }, { "title": "Consumer Training Age Score Claims | Fitness Age, VO2 Max Estimates, Training Load, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-training-age-score-claims.html", "path": "/articles/consumer-training-age-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer training age score claims, including fitness age labels, VO2 max estimates, training load, recovery, symptoms, and validation limits." }, { "title": "Consumer Vagal Tone Score Claims | HRV, Parasympathetic Activity, Stress, Recovery, and Wearable Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-vagal-tone-score-claims.html", "path": "/articles/consumer-vagal-tone-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer vagal tone score claims, including HRV, parasympathetic activity, breathing, stress, recovery, dysautonomia caveats, and validation limits." }, { "title": "Consumer Ventilation Efficiency Score Claims | Wearables, VE/VCO2, CPET, Breathing, Oxygen Saturation, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-ventilation-efficiency-score-claims.html", "path": "/articles/consumer-ventilation-efficiency-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer ventilation efficiency score claims, including wearables, VE/VCO2, CPET, breathing patterns, oxygen saturation, exercise testing, and validation limits." }, { "title": "Consumer Ventilatory Reserve Score Claims | Wearables, CPET, Breathing Reserve, Respiratory Rate, and Validation Limits", "url": "https://mainstreetbloodlab.com/articles/consumer-ventilatory-reserve-score-claims.html", "path": "/articles/consumer-ventilatory-reserve-score-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer ventilatory reserve score claims, including wearables, CPET breathing reserve, respiratory rate, oxygen saturation, symptoms, and validation limits." }, { "title": "Continuous Blood Pressure Monitoring Claims | Cuffless Wearables, Validation, Home Cuffs, and Limits", "url": "https://mainstreetbloodlab.com/articles/continuous-blood-pressure-monitoring-claims.html", "path": "/articles/continuous-blood-pressure-monitoring-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalDevice", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Evaluate continuous blood pressure monitoring claims from cuffless wearables, including FDA status, calibration, validated home cuffs, ambulatory monitoring, and safety limits." }, { "title": "Continuous Ketone Monitoring Claims | Beta-Hydroxybutyrate, DKA Safety, Validation, and Limits", "url": "https://mainstreetbloodlab.com/articles/continuous-ketone-monitoring-claims.html", "path": "/articles/continuous-ketone-monitoring-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalDevice", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand continuous ketone monitoring claims, including beta-hydroxybutyrate sensors, diabetic ketoacidosis safety, validation, lag, keto diets, and limits." }, { "title": "Cortisol Blood Test | Timing, Saliva and Urine Context, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/cortisol-blood-test.html", "path": "/articles/cortisol-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand cortisol blood testing, saliva and urine context, timing, stress effects, Cushing syndrome, adrenal insufficiency, ACTH follow-up, and why one result is not enough." }, { "title": "Cortisol Saliva vs Blood Test Guide | Timing, Urine, Cushing, and Adrenal Questions", "url": "https://mainstreetbloodlab.com/articles/cortisol-saliva-vs-blood-test.html", "path": "/articles/cortisol-saliva-vs-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Compare saliva, blood, and urine cortisol tests, including late-night salivary cortisol, morning blood cortisol, 24-hour urine free cortisol, timing, collection, and when each test is used." }, { "title": "Creatine Kinase CK Blood Test Guide | High CK, Rhabdomyolysis, Exercise, and Muscle Injury", "url": "https://mainstreetbloodlab.com/articles/creatine-kinase-ck-test.html", "path": "/articles/creatine-kinase-ck-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Learn how to interpret a creatine kinase (CK/CPK) blood test, including high CK after exercise, muscle injury, rhabdomyolysis, kidney risk, statins, myositis, and troponin context." }, { "title": "CRP and hs-CRP Blood Test Guide | Inflammation, Heart Risk, Results, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/crp-hs-crp-test.html", "path": "/articles/crp-hs-crp-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 10, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; 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not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand when Cyclospora repeat testing makes sense after treatment, including persistent diarrhea, intermittent oocyst shedding, PCR vs O&P, relapse, reinfection, and reporting." }, { "title": "Cyclospora Stool Test | PCR, Acid-Fast Stain, Foodborne Diarrhea, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/cyclospora-stool-test.html", "path": "/articles/cyclospora-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; 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not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand CYP2C19 pharmacogenetic testing, including clopidogrel, poor metabolizers, rapid metabolizers, PPIs, antidepressants, FDA labels, CPIC guidance, and what to do before changing a medicine." }, { "title": "Cystatin C Kidney Function Test | eGFR, Creatinine, CKD, and Limits", "url": "https://mainstreetbloodlab.com/articles/cystatin-c-kidney-function-test.html", "path": "/articles/cystatin-c-kidney-function-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; 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not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Learn electrolyte panel results, including sodium, potassium, chloride, CO2/bicarbonate, anion gap, dehydration, kidney function, medicines, urgent symptoms, and follow-up questions." }, { "title": "Elliptocytes on Blood Smear Interpretation | Ovalocytes, Iron Deficiency, Thalassemia, and Hereditary Elliptocytosis", "url": "https://mainstreetbloodlab.com/articles/elliptocytes-blood-smear-interpretation.html", "path": "/articles/elliptocytes-blood-smear-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 15, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand elliptocytes on blood smear interpretation, including ovalocytes, iron deficiency, thalassemia, hereditary elliptocytosis, anemia patterns, and follow-up." }, { "title": "Emerging Biomarkers Guide | How to Judge Health Optimization Tests", "url": "https://mainstreetbloodlab.com/articles/emerging-biomarkers-guide.html", "path": "/articles/emerging-biomarkers-guide.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-28", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A framework for evaluating emerging biomarkers, wearable metrics, optimization tests, surrogate endpoints, clinical meaning, and consumer health claims." }, { "title": "Entamoeba dispar vs histolytica testing | Stool O&P, antigen, PCR, microscopy limits, and follow-up", "url": "https://mainstreetbloodlab.com/articles/entamoeba-dispar-vs-histolytica-testing.html", "path": "/articles/entamoeba-dispar-vs-histolytica-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Entamoeba dispar vs histolytica testing, including stool microscopy limits, antigen testing, PCR, travel diarrhea, amebiasis, nonpathogenic look-alikes, and follow-up questions." }, { "title": "Entamoeba histolytica Stool Test | O&P, Antigen, PCR, and Look-Alikes", "url": "https://mainstreetbloodlab.com/articles/entamoeba-histolytica-stool-test.html", "path": "/articles/entamoeba-histolytica-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Entamoeba histolytica stool testing, including ova and parasite exams, antigen tests, PCR, travel diarrhea, species look-alikes, liver abscess context, and result limits." }, { "title": "Enteric Parasite PCR Panels | Stool Testing, O&P, Giardia, Crypto, Cyclospora, and Limits", "url": "https://mainstreetbloodlab.com/articles/enteric-parasite-pcr-panel.html", "path": "/articles/enteric-parasite-pcr-panel.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand enteric parasite PCR stool panels, including Giardia, Cryptosporidium, Cyclospora, O&P comparison, repeat samples, panel limits, and result caveats." }, { "title": "Enterobius Pinworm Treatment Follow-Up Testing | Tape Test, Reinfection, Household Treatment, Itching, Stool Limits, and Prevention", "url": "https://mainstreetbloodlab.com/articles/enterobius-pinworm-treatment-follow-up-testing.html", "path": "/articles/enterobius-pinworm-treatment-follow-up-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Enterobius pinworm treatment follow-up testing, including tape tests, reinfection, household treatment, nighttime itching, stool test limits, and prevention questions." }, { "title": "High Eosinophil Count Interpretation | Eosinophilia, Absolute Count, Allergies, Parasites, Asthma, Autoimmune Disease, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/eosinophil-count-high-interpretation.html", "path": "/articles/eosinophil-count-high-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand high eosinophil count interpretation, including eosinophilia, absolute eosinophil count, allergies, asthma, parasites, drug reactions, autoimmune disease, and follow-up questions." }, { "title": "Low Eosinophil Count Interpretation | Eosinopenia, Absolute Count, Steroids, Acute Stress, Cortisol, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/eosinophil-count-low-interpretation.html", "path": "/articles/eosinophil-count-low-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand low eosinophil count interpretation, including eosinopenia, absolute eosinophil count, steroids, acute stress, cortisol, alcohol intoxication, and follow-up questions." }, { "title": "EPAS1 Genetic Testing | HIF2A, Paraganglioma, Polycythemia, Somatostatinoma, Mosaicism, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/epas1-paraganglioma-genetic-testing.html", "path": "/articles/epas1-paraganglioma-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand EPAS1 genetic testing, including HIF2A-related paraganglioma/pheochromocytoma, polycythemia, somatostatinoma, mosaicism, tumor testing, and family-risk caveats." }, { "title": "ESR Blood Test Guide | High Sed Rate, Inflammation, ESR vs CRP, and Result Limits", "url": "https://mainstreetbloodlab.com/articles/erythrocyte-sedimentation-rate-esr-test.html", "path": "/articles/erythrocyte-sedimentation-rate-esr-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Learn how to interpret an ESR blood test, including high sed rate, inflammation, ESR vs CRP, anemia and pregnancy effects, very high ESR, symptoms, and follow-up questions." }, { "title": "Estradiol and progesterone tests | Cycle timing, fertility, menopause, and hormone therapy", "url": "https://mainstreetbloodlab.com/articles/estradiol-progesterone-tests.html", "path": "/articles/estradiol-progesterone-tests.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand estradiol and progesterone blood tests, cycle timing, fertility, menopause, hormone therapy monitoring, and why one hormone snapshot can mislead." }, { "title": "ETV6 Genetic Testing | Inherited Thrombocytopenia, Bleeding, Macrocytosis, Leukemia Risk, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/etv6-genetic-testing-inherited-thrombocytopenia.html", "path": "/articles/etv6-genetic-testing-inherited-thrombocytopenia.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand ETV6 genetic testing for inherited thrombocytopenia, including low platelets, bleeding, macrocytosis, leukemia predisposition, germline confirmation, and family testing." }, { "title": "Euglobulin Clot Lysis Time Testing | Fibrinolysis, Bleeding, PAI-1, and Hyperfibrinolysis", "url": "https://mainstreetbloodlab.com/articles/euglobulin-clot-lysis-time-testing.html", "path": "/articles/euglobulin-clot-lysis-time-testing.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand euglobulin clot lysis time testing, including fibrinolysis, hyperfibrinolysis, unexplained bleeding, PAI-1 context, and specialist interpretation." }, { "title": "Extragenital STI Testing | Throat and Rectal Swabs for Chlamydia and Gonorrhea", "url": "https://mainstreetbloodlab.com/articles/extragenital-sti-testing.html", "path": "/articles/extragenital-sti-testing.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A CDC-aligned guide to extragenital STI testing, including when throat and rectal swabs matter, what urine tests can miss, and what to ask before testing." }, { "title": "Factor V Leiden testing | clot risk, hormones, pregnancy, and family history", "url": "https://mainstreetbloodlab.com/articles/factor-v-leiden-testing.html", "path": "/articles/factor-v-leiden-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Factor V Leiden testing, including F5 genetic testing, APC resistance, pregnancy and estrogen decisions, family history, and when thrombophilia testing changes care." }, { "title": "Factor VIII Inhibitor Testing | Acquired Hemophilia, Bethesda Assay, Factor VIII Activity, and Urgent Bleeding", "url": "https://mainstreetbloodlab.com/articles/factor-viii-inhibitor-testing.html", "path": "/articles/factor-viii-inhibitor-testing.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand factor VIII inhibitor testing, including acquired hemophilia, Bethesda assay, factor VIII activity, prolonged aPTT, bleeding symptoms, and specialist follow-up." }, { "title": "Factor XIII Activity Testing | Rare Bleeding, Normal PT/aPTT, Wound Healing, and FXIII Deficiency", "url": "https://mainstreetbloodlab.com/articles/factor-xiii-activity-testing.html", "path": "/articles/factor-xiii-activity-testing.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand factor XIII activity testing, including rare bleeding with normal PT and aPTT, wound healing problems, inherited and acquired FXIII deficiency, and follow-up." }, { "title": "Familial Hypercholesterolemia Genetic Testing | FH, LDL, Cascade Screening", "url": "https://mainstreetbloodlab.com/articles/familial-hypercholesterolemia-genetic-testing.html", "path": "/articles/familial-hypercholesterolemia-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-29", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand familial hypercholesterolemia genetic testing, including FH, high LDL cholesterol, family history, cascade screening, negative results, and treatment context." }, { "title": "Thoracic aortic aneurysm and dissection genetic testing | imaging, family screening, and variant interpretation", "url": "https://mainstreetbloodlab.com/articles/familial-thoracic-aortic-aneurysm-dissection-genetic-testing.html", "path": "/articles/familial-thoracic-aortic-aneurysm-dissection-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand thoracic aortic aneurysm and dissection genetic testing, including aortic imaging, syndromic clues, gene panels, family screening, and variant interpretation." }, { "title": "Fasciola Antibody Testing | Fascioliasis, Liver Fluke, Serology, Stool Eggs, Eosinophils, and Watercress Exposure", "url": "https://mainstreetbloodlab.com/articles/fasciola-antibody-testing.html", "path": "/articles/fasciola-antibody-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Fasciola antibody testing for fascioliasis, including liver flukes, serology, stool ova, eosinophils, watercress and aquatic plant exposure, and CDC context." }, { "title": "Fasting for Blood Tests Guide | Water, Coffee, Medicines, Glucose, Lipids, and Prep", "url": "https://mainstreetbloodlab.com/articles/fasting-blood-test-preparation.html", "path": "/articles/fasting-blood-test-preparation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Learn fasting blood test preparation, including 8-12 hour fasting, water, coffee, gum, medicines, supplements, diabetes safety, glucose, lipid panels, and what to do if you accidentally eat." }, { "title": "Fasting Insulin Test Guide | Insulin Resistance, C-Peptide, and Limits", "url": "https://mainstreetbloodlab.com/articles/fasting-insulin-insulin-resistance-test.html", "path": "/articles/fasting-insulin-insulin-resistance-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand fasting insulin blood tests, insulin resistance, how insulin differs from glucose, A1C, and C-peptide, what affects results, and what to ask before using it for health optimization." }, { "title": "FDA-Authorized Genetic Tests | What Authorization Covers, What It Doesn't, and How to Read the Label", "url": "https://mainstreetbloodlab.com/articles/fda-authorized-genetic-tests.html", "path": "/articles/fda-authorized-genetic-tests.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand FDA-authorized direct-to-consumer genetic tests, claim-specific authorization, genetic health risk reports, carrier screening, pharmacogenetics, and when clinical confirmation matters." }, { "title": "Fecal Calprotectin Test | Inflammation Marker, IBD vs IBS, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/fecal-calprotectin-test.html", "path": "/articles/fecal-calprotectin-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand fecal calprotectin testing, including intestinal inflammation, IBD vs IBS questions, sample collection, false positives, medications, infections, and follow-up." }, { "title": "Fecal Calprotectin vs Lactoferrin | Stool Inflammation Tests and IBD", "url": "https://mainstreetbloodlab.com/articles/fecal-calprotectin-vs-lactoferrin.html", "path": "/articles/fecal-calprotectin-vs-lactoferrin.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Compare fecal calprotectin vs lactoferrin stool tests, including intestinal inflammation, IBD vs IBS workups, false positives, colonoscopy context, and limits." }, { "title": "Fecal Fat Test | Stool Fat, Malabsorption, Steatorrhea, and 72-Hour Collection", "url": "https://mainstreetbloodlab.com/articles/fecal-fat-test.html", "path": "/articles/fecal-fat-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand fecal fat testing, including stool fat, malabsorption, steatorrhea, 72-hour collection, pancreatic insufficiency, bile, celiac disease, and limits." }, { "title": "Fecal Occult Blood and FIT Tests | Stool Blood Screening, FIT-DNA, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/fecal-occult-blood-fit-test.html", "path": "/articles/fecal-occult-blood-fit-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand fecal occult blood tests and FIT stool tests, including colorectal cancer screening, FIT-DNA, positive results, colonoscopy follow-up, repeat screening, and limits." }, { "title": "Ferritin and Iron Studies Guide | Low Iron, High Ferritin, TIBC, and Transferrin Saturation", "url": "https://mainstreetbloodlab.com/articles/ferritin-iron-studies.html", "path": "/articles/ferritin-iron-studies.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand ferritin and iron studies, including serum iron, TIBC, transferrin saturation, CBC context, inflammation, iron deficiency, iron overload, fasting, and follow-up questions." }, { "title": "FH Clinical Criteria vs Genetic Testing | LDL, Family History, and Cascade Screening", "url": "https://mainstreetbloodlab.com/articles/fh-clinical-criteria-vs-genetic-testing.html", "path": "/articles/fh-clinical-criteria-vs-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-29", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Compare familial hypercholesterolemia clinical criteria vs genetic testing, including LDL levels, family history, variants, negative results, and cascade screening." }, { "title": "FH Fumarate Hydratase Tumor Predisposition Genetic Testing | HLRCC, Kidney Cancer, Leiomyomas, and VUS Results", "url": "https://mainstreetbloodlab.com/articles/fh-fumarate-hydratase-tumor-predisposition-genetic-testing.html", "path": "/articles/fh-fumarate-hydratase-tumor-predisposition-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand FH fumarate hydratase tumor predisposition genetic testing, including HLRCC, kidney cancer risk, leiomyomas, tumor-only findings, VUS results, and family testing." }, { "title": "Fibrinogen Blood Test | Clotting Factor I, Bleeding, DIC, Inflammation, and Liver Context", "url": "https://mainstreetbloodlab.com/articles/fibrinogen-blood-test.html", "path": "/articles/fibrinogen-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand the fibrinogen blood test, including clotting factor I, bleeding workups, DIC, liver context, inflammation, and PT/aPTT follow-up." }, { "title": "Filaria Antibody Testing | Filarial Worms, Loiasis, Onchocerciasis, Lymphatic Filariasis, and Cross-Reactivity", "url": "https://mainstreetbloodlab.com/articles/filaria-antibody-testing.html", "path": "/articles/filaria-antibody-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand filaria antibody testing, including filarial worms, loiasis, onchocerciasis, lymphatic filariasis, exposure history, cross-reactivity, and follow-up tests." }, { "title": "Food Sensitivity Tests vs Allergy Tests | IgG, IgE, and What Results Mean", "url": "https://mainstreetbloodlab.com/articles/food-sensitivity-tests-vs-allergy-tests.html", "path": "/articles/food-sensitivity-tests-vs-allergy-tests.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand food sensitivity tests, IgG panels, food allergy testing, IgE, skin prick tests, oral food challenges, and why broad at-home panels can mislead." }, { "title": "Food Toxin and Contaminant Panel Claims | Metals, Mycotoxins, PFAS, Pesticides", "url": "https://mainstreetbloodlab.com/articles/food-toxin-contaminant-panel-claims.html", "path": "/articles/food-toxin-contaminant-panel-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand food toxin and contaminant panel claims, including FDA monitoring, heavy metals, mycotoxins, PFAS, pesticides, biomonitoring, direct-to-consumer tests, and limits." }, { "title": "Free and Low-Cost STI Testing | Where to Find Confidential Testing in the US", "url": "https://mainstreetbloodlab.com/articles/free-low-cost-sti-testing.html", "path": "/articles/free-low-cost-sti-testing.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 11, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A practical US guide to finding free and low-cost STI testing, including CDC GetTested, HIV.gov, Title X clinics, health departments, cervical screening programs, insurance, confidentiality, and follow-up questions." }, { "title": "Fructose Breath Test | Hydrogen Breath Testing, Fructose Malabsorption, IBS, and Prep", "url": "https://mainstreetbloodlab.com/articles/fructose-breath-test.html", "path": "/articles/fructose-breath-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand fructose breath testing, including hydrogen breath tests, dietary fructose intolerance, fructose malabsorption, IBS overlap, SIBO confusion, prep, and limits." }, { "title": "FSH and LH tests | Fertility, menopause, puberty, and pituitary questions", "url": "https://mainstreetbloodlab.com/articles/fsh-lh-tests.html", "path": "/articles/fsh-lh-tests.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand FSH and LH blood tests, including fertility workups, ovulation timing, menopause, puberty concerns, pituitary questions, and result limits." }, { "title": "Full STI Panel | What Tests Are Included and What Can Be Missing", "url": "https://mainstreetbloodlab.com/articles/full-sti-panel.html", "path": "/articles/full-sti-panel.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 9, "sectionCount": 12, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A CDC-aligned guide to what people mean by a full STI panel, including HIV, syphilis, chlamydia, gonorrhea, herpes, hepatitis, trichomoniasis, HPV/Pap tests, Mycoplasma genitalium, BV, yeast, UTI testing, body-site testing, and timing limits." }, { "title": "G6PD Test | Enzyme Activity, Genetic Testing, Hemolytic Triggers, Newborn Jaundice, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/g6pd-test-genetic-enzyme.html", "path": "/articles/g6pd-test-genetic-enzyme.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand G6PD testing, including enzyme activity, genetic testing, hemolytic triggers, newborn jaundice, fava beans, medicines, timing, and limits." }, { "title": "GATA2 Deficiency Genetic Testing | MDS, AML, Immunodeficiency, HPV, Monocytopenia, and Donor Testing", "url": "https://mainstreetbloodlab.com/articles/gata2-deficiency-genetic-testing.html", "path": "/articles/gata2-deficiency-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand GATA2 deficiency genetic testing, including inherited MDS/AML risk, immunodeficiency, monocytopenia, HPV-related disease, lymphedema, and donor testing." }, { "title": "When to Use a Genetic Counselor | DNA Test Results, Family Risk, and Next Steps", "url": "https://mainstreetbloodlab.com/articles/genetic-counselor-when-to-use-one.html", "path": "/articles/genetic-counselor-when-to-use-one.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Learn when a genetic counselor can help with direct-to-consumer DNA results, hereditary cancer risk, carrier screening, pregnancy planning, and confusing genetic test reports." }, { "title": "Inherited heart disease genetic testing | family history, cardiomyopathy, arrhythmia, and FH", "url": "https://mainstreetbloodlab.com/articles/genetic-testing-hereditary-heart-disease.html", "path": "/articles/genetic-testing-hereditary-heart-disease.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Learn when genetic testing may help with inherited heart disease, including family history, familial hypercholesterolemia, cardiomyopathy, arrhythmia syndromes, variants, and counseling." }, { "title": "GGT Blood Test Guide | High GGT, Liver, Bile Ducts, ALP, Alcohol, and Liver Panel Patterns", "url": "https://mainstreetbloodlab.com/articles/ggt-blood-test.html", "path": "/articles/ggt-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Learn how to interpret the GGT blood test, including high GGT, liver and bile-duct patterns, ALP comparison, alcohol and medicine effects, liver-panel context, and follow-up questions." }, { "title": "GI Pathogen Panel Stool Test | PCR Panels, Diarrhea, Ova and Parasites, and Culture", "url": "https://mainstreetbloodlab.com/articles/gi-pathogen-panel-stool-test.html", "path": "/articles/gi-pathogen-panel-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand GI pathogen panel stool tests, including multiplex PCR, infectious diarrhea, stool culture, ova and parasite testing, C. diff, false positives, and public health follow-up." }, { "title": "Giardia Antigen Test | Stool Testing, PCR Panels, O&P, and Limits", "url": "https://mainstreetbloodlab.com/articles/giardia-antigen-test.html", "path": "/articles/giardia-antigen-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Giardia antigen testing, including stool samples, O&P exams, PCR panels, repeat samples, travel or water exposure, symptoms, and limits." }, { "title": "Giardia treatment follow-up testing | Persistent symptoms, repeat stool tests, reinfection, and antigen vs PCR", "url": "https://mainstreetbloodlab.com/articles/giardia-treatment-follow-up-testing.html", "path": "/articles/giardia-treatment-follow-up-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Giardia treatment follow-up testing after therapy, including persistent symptoms, repeat stool antigen or PCR, ova and parasite testing, reinfection, and when retesting actually helps." }, { "title": "Gnathostoma Antibody Testing | Gnathostomiasis, Migratory Swelling, Eosinophils, Raw Fish, and CDC Context", "url": "https://mainstreetbloodlab.com/articles/gnathostoma-antibody-testing.html", "path": "/articles/gnathostoma-antibody-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Gnathostoma antibody testing for gnathostomiasis, including migratory swelling, eosinophils, raw fish exposure, neurologic red flags, and testing limits." }, { "title": "Gut Diversity Score Interpretation | Microbiome Reports, Meaning, and Limits", "url": "https://mainstreetbloodlab.com/articles/gut-diversity-score.html", "path": "/articles/gut-diversity-score.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand gut diversity scores, how companies calculate them, why results change, when repeat testing is useful, and why a higher score is not a diagnosis." }, { "title": "H. pylori Testing | Breath Test, Stool Antigen, Blood Test, Endoscopy, and Test-of-Cure", "url": "https://mainstreetbloodlab.com/articles/h-pylori-testing.html", "path": "/articles/h-pylori-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Compare H. pylori testing options, including breath tests, stool antigen tests, blood antibody tests, endoscopy biopsy, medication hold times, and test-of-cure timing." }, { "title": "Hair Mineral Analysis Claims | Heavy Metals, Nutrients, Detox, and Limits", "url": "https://mainstreetbloodlab.com/articles/hair-mineral-analysis-claims.html", "path": "/articles/hair-mineral-analysis-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand hair mineral analysis claims, including heavy metals, nutrient status, detox plans, contamination, reference ranges, clinical validity, and limits." }, { "title": "Heart Rhythm Alerts and ECG Wearables | AFib, False Positives, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/heart-rhythm-alerts-ecg-wearables.html", "path": "/articles/heart-rhythm-alerts-ecg-wearables.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalDevice", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand smartwatch heart rhythm alerts and wearable ECG features, including AFib notifications, false positives, symptoms, FDA-cleared claims, and follow-up testing." }, { "title": "Hemoglobin Electrophoresis and Thalassemia | Sickle Trait, Carrier Screening, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/hemoglobin-electrophoresis-thalassemia.html", "path": "/articles/hemoglobin-electrophoresis-thalassemia.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand hemoglobin electrophoresis for thalassemia, sickle cell disease or trait, newborn screening, carrier screening, anemia workups, and when genetic testing helps." }, { "title": "Hepatitis A, B, and C Blood Tests | HAV IgM, HBV Triple Panel, HCV Antibody and RNA", "url": "https://mainstreetbloodlab.com/articles/hepatitis-a-b-c-blood-tests.html", "path": "/articles/hepatitis-a-b-c-blood-tests.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand hepatitis A, B, and C blood tests, including HAV IgM and total antibody, hepatitis B triple panel results, HCV antibody and RNA reflex testing, exposure timing, immunity, vaccination, and liver enzyme context." }, { "title": "Hepatitis B and C Testing in STI Panels | Blood Tests, Vaccines, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/hepatitis-b-c-testing-sti.html", "path": "/articles/hepatitis-b-c-testing-sti.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 10, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A CDC-aligned guide to hepatitis B and hepatitis C testing in sexual health care, including HBV triple panel tests, HCV antibody and RNA testing, vaccination, pregnancy, and follow-up." }, { "title": "Hepatitis B surface antibody after vaccination | Anti-HBs, immunity, and retesting", "url": "https://mainstreetbloodlab.com/articles/hepatitis-b-surface-antibody-after-vaccination.html", "path": "/articles/hepatitis-b-surface-antibody-after-vaccination.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand hepatitis B surface antibody after vaccination, including anti-HBs, vaccine response, waning antibodies, the hepatitis B triple panel, healthcare-worker testing, and follow-up questions." }, { "title": "Hereditary arrhythmia panel testing | Long QT, Brugada, CPVT, and family screening", "url": "https://mainstreetbloodlab.com/articles/hereditary-arrhythmia-panel-testing.html", "path": "/articles/hereditary-arrhythmia-panel-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand hereditary arrhythmia panel testing, including long QT syndrome, Brugada syndrome, CPVT, family screening, variants of uncertain significance, and why phenotype matters first." }, { "title": "Hereditary Cancer Genetic Testing | BRCA, Lynch Syndrome, Family History, and Next Steps", "url": "https://mainstreetbloodlab.com/articles/hereditary-cancer-genetic-testing.html", "path": "/articles/hereditary-cancer-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand hereditary cancer genetic testing, including BRCA, Lynch syndrome, family history, tumor vs germline testing, VUS results, genetic counseling, and family testing questions." }, { "title": "Hereditary Cardiomyopathy Genetic Testing | HCM, DCM, ARVC, and Family Screening", "url": "https://mainstreetbloodlab.com/articles/hereditary-cardiomyopathy-genetic-testing.html", "path": "/articles/hereditary-cardiomyopathy-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand hereditary cardiomyopathy genetic testing, including HCM, DCM, ARVC, family screening, variants, and when imaging still matters." }, { "title": "Hereditary Hemochromatosis Genetic Testing | HFE, Iron Overload, Ferritin", "url": "https://mainstreetbloodlab.com/articles/hereditary-hemochromatosis-genetic-testing.html", "path": "/articles/hereditary-hemochromatosis-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-29", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand hereditary hemochromatosis genetic testing, including HFE variants, iron overload, ferritin, transferrin saturation, family testing, and limits." }, { "title": "Hereditary Kidney Disease Genetic Testing | Alport, Hematuria, Family Risk, and Biopsy Clues", "url": "https://mainstreetbloodlab.com/articles/hereditary-kidney-disease-genetic-testing.html", "path": "/articles/hereditary-kidney-disease-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand hereditary kidney disease genetic testing, including Alport syndrome, hematuria, proteinuria, kidney biopsy clues, hearing and eye findings, and family testing." }, { "title": "Hereditary pancreatitis genetic testing | recurrent pancreatitis, PRSS1, and family risk", "url": "https://mainstreetbloodlab.com/articles/hereditary-pancreatitis-genetic-testing.html", "path": "/articles/hereditary-pancreatitis-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand hereditary pancreatitis genetic testing, including PRSS1, CFTR, SPINK1, recurrent pancreatitis, early-onset disease, family risk, and when results change care." }, { "title": "Hereditary Thrombophilia Testing | Factor V, Prothrombin, Protein C/S, and Antithrombin", "url": "https://mainstreetbloodlab.com/articles/hereditary-thrombophilia-panel-testing.html", "path": "/articles/hereditary-thrombophilia-panel-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand hereditary thrombophilia testing, including Factor V Leiden, prothrombin, protein C/S, antithrombin, when ASH says testing may help, and when it should wait." }, { "title": "Herpes Testing Guide | HSV PCR Swab, Culture, IgG Blood Tests, IgM, and False Positives", "url": "https://mainstreetbloodlab.com/articles/herpes-testing-guide.html", "path": "/articles/herpes-testing-guide.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand genital herpes testing, including HSV PCR/NAAT swabs, viral culture, type-specific IgG blood tests, IgM limits, false positives, pregnancy, and when routine screening is not recommended." }, { "title": "HHT genetic testing | AVMs, anemia, and family follow-up", "url": "https://mainstreetbloodlab.com/articles/hht-genetic-testing.html", "path": "/articles/hht-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand HHT genetic testing, including ENG, ACVRL1, SMAD4, Curaçao criteria, AVM screening, family testing, and what a negative result does not settle." }, { "title": "High ferritin with liver enzymes | Iron overload, inflammation, fatty liver, and follow-up", "url": "https://mainstreetbloodlab.com/articles/high-ferritin-liver-enzymes.html", "path": "/articles/high-ferritin-liver-enzymes.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand high ferritin with ALT, AST, GGT, or other liver enzymes, including iron overload, inflammation, fatty liver, transferrin saturation, and follow-up questions." }, { "title": "HIV PrEP vs PEP Testing Timelines | 72 Hours, Follow-Up, and STI Tests", "url": "https://mainstreetbloodlab.com/articles/hiv-prep-vs-pep-testing.html", "path": "/articles/hiv-prep-vs-pep-testing.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 11, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A CDC-aligned guide to HIV PrEP versus PEP testing timelines, including the 72-hour PEP window, baseline HIV testing, follow-up HIV tests, STI screening, hepatitis checks, kidney labs, and when ongoing PrEP monitoring begins." }, { "title": "HIV Testing Window Period Guide | 10-33, 18-45, 18-90, and 23-90 Day Tests", "url": "https://mainstreetbloodlab.com/articles/hiv-testing-window-period.html", "path": "/articles/hiv-testing-window-period.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand HIV test window periods by test type, including NAT, lab antigen/antibody, rapid finger-stick, oral self-tests, negative results, PEP, PrEP, and follow-up testing." }, { "title": "HLA-B27 Blood Test | Spondyloarthritis, Ankylosing Spondylitis, Uveitis, and Limits", "url": "https://mainstreetbloodlab.com/articles/hla-b27-blood-test.html", "path": "/articles/hla-b27-blood-test.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand HLA-B27 blood testing, including spondyloarthritis, ankylosing spondylitis, reactive arthritis, uveitis, inflammatory back pain, and result limits." }, { "title": "HLA-B27 Test | Ankylosing Spondylitis, Spondyloarthritis, Uveitis, and Limits", "url": "https://mainstreetbloodlab.com/articles/hla-b27-test.html", "path": "/articles/hla-b27-test.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand HLA-B27 test results, including ankylosing spondylitis, axial spondyloarthritis, reactive arthritis, uveitis, inflammatory back pain, and result limits." }, { "title": "HLA Celiac Genetic Testing | gluten-free diet, uncertain results, and rule-out use", "url": "https://mainstreetbloodlab.com/articles/hla-celiac-genetic-testing.html", "path": "/articles/hla-celiac-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand when HLA celiac genetic testing helps after a gluten-free diet starts, when blood tests are uncertain, and why positive results do not diagnose celiac disease." }, { "title": "Celiac HLA typing | DQ2, DQ8, rule-out use, and limits", "url": "https://mainstreetbloodlab.com/articles/hla-typing-celiac-disease.html", "path": "/articles/hla-typing-celiac-disease.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 9, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand celiac HLA typing, including HLA-DQ2 and HLA-DQ8, when it helps rule out celiac disease, how it fits with blood tests and biopsy, and its limits." }, { "title": "Homocysteine and Methylmalonic Acid Tests | B12, Folate, Kidney Effects, and Interpretation", "url": "https://mainstreetbloodlab.com/articles/homocysteine-methylmalonic-acid-tests.html", "path": "/articles/homocysteine-methylmalonic-acid-tests.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A plain-English guide to homocysteine and methylmalonic acid tests, including vitamin B12, folate, kidney effects, cardiovascular claims, and follow-up questions." }, { "title": "Hookworm Stool Test | Ova and Parasites, Anemia, Eosinophils, Travel, and Exposure", "url": "https://mainstreetbloodlab.com/articles/hookworm-stool-test.html", "path": "/articles/hookworm-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand hookworm stool testing, including ova and parasite exams, eggs in stool, anemia, eosinophils, travel and soil exposure, and repeat specimen questions." }, { "title": "Hormone Panel Tests Guide | Cortisol, Testosterone, Thyroid, Sex Hormones, and Limits", "url": "https://mainstreetbloodlab.com/articles/hormone-panel-tests.html", "path": "/articles/hormone-panel-tests.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A practical guide to hormone panel tests, including cortisol, testosterone, thyroid, estradiol, progesterone, timing, symptoms, saliva tests, and consumer panel limits." }, { "title": "Howell-Jolly bodies on blood smear interpretation | Spleen function, hyposplenia, asplenia, and megaloblastic anemia", "url": "https://mainstreetbloodlab.com/articles/howell-jolly-bodies-blood-smear-interpretation.html", "path": "/articles/howell-jolly-bodies-blood-smear-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 9, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Howell-Jolly bodies on blood smear interpretation, including spleen filtering, hyposplenia, asplenia, sickle cell context, megaloblastic anemia, and follow-up questions." }, { "title": "HPV Testing and Pap Tests | Why They Are Not a Full STI Panel", "url": "https://mainstreetbloodlab.com/articles/hpv-pap-test-sti-panel.html", "path": "/articles/hpv-pap-test-sti-panel.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 9, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; 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not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to immature lymphocytes on CBC and blood smear reports, including analyzer flags, reactive lymphocytes, atypical cells, lymphoblasts, blasts, manual smear review, flow cytometry, urgent symptoms, and follow-up questions." }, { "title": "JAK2 testing for unexplained clots | PV, ET, MPNs, and blood-count clues", "url": "https://mainstreetbloodlab.com/articles/jak2-testing-unexplained-clots.html", "path": "/articles/jak2-testing-unexplained-clots.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; 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not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Evaluate leaky gut and intestinal permeability testing claims, including zonulin, lactulose-mannitol tests, stool panels, research limits, symptoms, and when to seek medical evaluation." }, { "title": "Left Shift on Blood Smear | Bands, Immature Granulocytes, Infection, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/left-shift-blood-smear-interpretation.html", "path": "/articles/left-shift-blood-smear-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 16, "sectionCount": 11, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; 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no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand liver fibrosis blood tests and FIB-4 interpretation, including AST, ALT, platelets, age, APRI, elastography, fatty liver context, and follow-up questions." }, { "title": "Liver Function Tests | ALT, AST, ALP, Bilirubin, Albumin, and LFT Results", "url": "https://mainstreetbloodlab.com/articles/liver-function-tests.html", "path": "/articles/liver-function-tests.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to liver function tests, including ALT, AST, ALP, GGT, bilirubin, albumin, total protein, PT/INR, preparation, and result limits." }, { "title": "Loa loa Blood Smear Testing | Loiasis, Microfilariae Timing, West and Central Africa Exposure, and Eosinophils", "url": "https://mainstreetbloodlab.com/articles/loa-loa-blood-smear-testing.html", "path": "/articles/loa-loa-blood-smear-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Loa loa blood smear testing, including loiasis, timed blood collection, microfilariae, West and Central Africa exposure, Calabar swellings, eye worm, and eosinophils." }, { "title": "Long QT syndrome genetic testing | ECG, family screening, and limits", "url": "https://mainstreetbloodlab.com/articles/long-qt-syndrome-genetic-testing.html", "path": "/articles/long-qt-syndrome-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand long QT syndrome genetic testing, including ECG context, family cascade testing, medication triggers, acquired causes, and variant limits." }, { "title": "Lupus Anticoagulant Testing | APS, dRVVT, aPTT, Clots, Pregnancy Loss, and Repeat Testing", "url": "https://mainstreetbloodlab.com/articles/lupus-anticoagulant-testing.html", "path": "/articles/lupus-anticoagulant-testing.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand lupus anticoagulant testing, including antiphospholipid syndrome, dRVVT, aPTT-based tests, clot risk, pregnancy loss, anticoagulant interference, and repeat testing." }, { "title": "High Lymphocyte Count | Lymphocytosis, ALC, Viral Illness, CLL, Smear Review, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/lymphocyte-count-high-interpretation.html", "path": "/articles/lymphocyte-count-high-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to high lymphocyte count results, including lymphocytosis, absolute lymphocyte count, ALC, CBC differential, viral illness, reactive lymphocytes, atypical lymphocytes, CLL, smudge cells, smear review, flow cytometry, and follow-up questions." }, { "title": "Low Lymphocyte Count | Lymphopenia, ALC, Infection Risk, HIV, Steroids, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/lymphocyte-count-low-interpretation.html", "path": "/articles/lymphocyte-count-low-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 15, "sectionCount": 11, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to low lymphocyte count results, including lymphopenia, lymphocytopenia, absolute lymphocyte count, ALC, CBC differential, infection risk, HIV testing context, steroid medicines, chemotherapy, immune suppression, repeat CBC, lymphocyte subsets, and follow-up questions." }, { "title": "Lynch Syndrome Genetic Testing | Tumor Screening, Germline Testing, and Cascade Testing", "url": "https://mainstreetbloodlab.com/articles/lynch-syndrome-genetic-testing.html", "path": "/articles/lynch-syndrome-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Lynch syndrome genetic testing, including tumor screening, germline testing, mismatch repair genes, cascade testing, colorectal and endometrial cancer risk, and genetic counseling." }, { "title": "Magnesium Blood Test | Serum Magnesium, Kidney Function, Supplements, and Interpretation", "url": "https://mainstreetbloodlab.com/articles/magnesium-blood-test.html", "path": "/articles/magnesium-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to magnesium blood testing, including serum magnesium, low or high results, kidney function, medications, supplements, RBC magnesium claims, and follow-up questions." }, { "title": "Marfan syndrome genetic testing | FBN1, aorta screening, and family follow-up", "url": "https://mainstreetbloodlab.com/articles/marfan-syndrome-genetic-testing.html", "path": "/articles/marfan-syndrome-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Marfan syndrome genetic testing, including FBN1, aortic screening, eye findings, family testing, variant limits, and when clinical diagnosis still matters." }, { "title": "MAX hereditary paraganglioma genetic testing | Pheochromocytoma, cluster 2, and family follow-up", "url": "https://mainstreetbloodlab.com/articles/max-hereditary-paraganglioma-genetic-testing.html", "path": "/articles/max-hereditary-paraganglioma-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand MAX hereditary paraganglioma genetic testing, including pheochromocytoma, paraganglioma, cluster 2 biology, tumor-vs-germline testing, family follow-up, and when a negative result does not settle the question." }, { "title": "MECOM Genetic Testing | Inherited Bone Marrow Failure, Thrombocytopenia, Congenital Features, and Family Risk", "url": "https://mainstreetbloodlab.com/articles/mecom-genetic-testing-inherited-marrow-failure.html", "path": "/articles/mecom-genetic-testing-inherited-marrow-failure.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand MECOM genetic testing for inherited bone marrow failure, including low platelets, amegakaryocytic thrombocytopenia, radioulnar synostosis, germline confirmation, and donor testing." }, { "title": "Medullary Thyroid Cancer Genetic Counseling Questions | RET Testing, MEN2, Family Risk, Calcitonin, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/medullary-thyroid-cancer-genetic-counseling-questions.html", "path": "/articles/medullary-thyroid-cancer-genetic-counseling-questions.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand medullary thyroid cancer genetic counseling questions, including RET testing, MEN2, family testing, calcitonin, pheochromocytoma screening, and follow-up." }, { "title": "Medullary Thyroid Cancer RET Result Routing | Negative Germline, VUS, Tumor-Only, Paired Testing, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/medullary-thyroid-cancer-ret-result-routing.html", "path": "/articles/medullary-thyroid-cancer-ret-result-routing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Route medullary thyroid cancer RET results by negative germline testing, VUS findings, tumor-only reports, paired tumor-normal testing, positive germline variants, and family testing." }, { "title": "MEN1 Genetic Testing | Parathyroid, Pituitary, Pancreatic NETs, Family Screening, and Deletion Testing", "url": "https://mainstreetbloodlab.com/articles/men1-genetic-testing.html", "path": "/articles/men1-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand MEN1 genetic testing for multiple endocrine neoplasia type 1, including parathyroid tumors, pituitary tumors, pancreatic NETs, family screening, deletion/duplication analysis, and VUS results." }, { "title": "MEN2 Family Testing and Surveillance Roadmap | RET Variants, Relatives, Children, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/men2-family-testing-surveillance-roadmap.html", "path": "/articles/men2-family-testing-surveillance-roadmap.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Use a MEN2 family testing and surveillance roadmap to sort RET family variants, relatives, children, calcitonin follow-up, pheochromocytoma screening, and genetic counseling questions." }, { "title": "MEN2 Family Variant Testing | RET Pathogenic Variant, Relatives, Cascade Testing, Children, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/men2-family-variant-testing.html", "path": "/articles/men2-family-variant-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand MEN2 family variant testing, including RET pathogenic variants, cascade testing, relatives, children, medullary thyroid cancer risk, and follow-up." }, { "title": "MEN2 Surveillance After Positive RET Testing | Calcitonin, Pheochromocytoma, Parathyroid, and Family Follow-Up", "url": "https://mainstreetbloodlab.com/articles/men2-surveillance-after-positive-ret-testing.html", "path": "/articles/men2-surveillance-after-positive-ret-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand MEN2 surveillance after positive RET testing, including calcitonin, thyroid planning, pheochromocytoma, parathyroid screening, and family follow-up questions." }, { "title": "MEN2A vs MEN2B genetic testing", "url": "https://mainstreetbloodlab.com/articles/men2a-vs-men2b-genetic-testing.html", "path": "/articles/men2a-vs-men2b-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Compare MEN2A vs MEN2B genetic testing, including RET variants, medullary thyroid cancer, pheochromocytoma, parathyroid findings, childhood timing, and family testing." }, { "title": "Metabolic Cart Testing | resting metabolic rate, VO2, CO2, and fitness testing", "url": "https://mainstreetbloodlab.com/articles/metabolic-cart-test.html", "path": "/articles/metabolic-cart-test.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand metabolic cart testing, including indirect calorimetry, resting metabolic rate, VO2, CO2, respiratory exchange ratio, VO2 max, prep, and accuracy limits." }, { "title": "Metamyelocytes on CBC Differential | Left Shift, Bands, Infection, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/metamyelocytes-cbc-differential-interpretation.html", "path": "/articles/metamyelocytes-cbc-differential-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 15, "sectionCount": 11, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to metamyelocytes on CBC differential or blood smear reports, including left shift, bands, immature granulocytes, infection, inflammation, leukocytosis, marrow stress, and follow-up questions." }, { "title": "Microbiome Retesting Intervals | When to Repeat Gut Tests and What Can Change", "url": "https://mainstreetbloodlab.com/articles/microbiome-retesting-intervals.html", "path": "/articles/microbiome-retesting-intervals.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Learn when repeating a microbiome test may or may not be useful, including diet changes, antibiotics, illness, probiotics, stool sample variability, and consumer report limits." }, { "title": "Microbiome Test Privacy | Samples, Data Sharing, HIPAA, and Deletion Questions", "url": "https://mainstreetbloodlab.com/articles/microbiome-test-privacy.html", "path": "/articles/microbiome-test-privacy.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Privacy questions to ask before using a consumer microbiome test, including sample storage, data sharing, research use, HIPAA limits, deletion, and account security." }, { "title": "Microbiome Testing After Antibiotics | Recovery, Retesting, and Gut Report Limits", "url": "https://mainstreetbloodlab.com/articles/microbiome-testing-after-antibiotics.html", "path": "/articles/microbiome-testing-after-antibiotics.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Learn when microbiome testing after antibiotics may or may not help, including gut recovery, diarrhea red flags, probiotic claims, retesting timing, and report limits." }, { "title": "Microbiome Testing Guide | Gut Reports, Diversity Scores, and Claim Limits", "url": "https://mainstreetbloodlab.com/articles/microbiome-testing-guide.html", "path": "/articles/microbiome-testing-guide.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand direct-to-consumer microbiome tests, gut diversity reports, stool sample limits, FDA claim questions, and why most results should not be treated as a diagnosis." }, { "title": "Microsporidia stool and PCR testing | Stool stains, PCR, immune status, and species limits", "url": "https://mainstreetbloodlab.com/articles/microsporidia-stool-pcr-testing.html", "path": "/articles/microsporidia-stool-pcr-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand microsporidia stool and PCR testing, including microsporidiosis, modified trichrome staining, PCR, immune status, diarrhea, and species identification limits." }, { "title": "Mixing Study Blood Test | Prolonged PT, aPTT, Factor Deficiency, Inhibitors, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/mixing-study-blood-test.html", "path": "/articles/mixing-study-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand mixing study blood tests, including prolonged PT or aPTT, factor deficiency, inhibitors, lupus anticoagulant, correction patterns, and what comes next." }, { "title": "Mold Mycotoxin Urine Test Claims | CDC, FDA, and Result Limits", "url": "https://mainstreetbloodlab.com/articles/mold-mycotoxin-urine-test-claims.html", "path": "/articles/mold-mycotoxin-urine-test-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand why urine mycotoxin tests cannot prove indoor mold illness, what CDC, EPA, and FDA say, and when cleanup or medical evaluation matters." }, { "title": "Monoblasts on CBC Differential | Blasts, Monocytes, AML Clues, Smear Review, Flow Cytometry, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/monoblasts-cbc-differential-interpretation.html", "path": "/articles/monoblasts-cbc-differential-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 16, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to monoblasts on CBC differential and blood smear reports, including monocyte-lineage blasts, promonocytes, AML clues, smear review, flow cytometry, cytogenetic and molecular testing, urgent symptoms, and hematology follow-up questions." }, { "title": "High Monocyte Count Interpretation | Absolute Count, CBC Context, Infection, Inflammation, Persistence, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/monocyte-count-high-interpretation.html", "path": "/articles/monocyte-count-high-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand high monocyte count interpretation, including monocytosis, absolute monocyte count, CBC differential context, infection, inflammation, persistence over time, and follow-up questions." }, { "title": "Low Monocyte Count Interpretation | Monocytopenia, Absolute Count, White Blood Cells, Immune Context, Persistence, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/monocyte-count-low-interpretation.html", "path": "/articles/monocyte-count-low-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand low monocyte count interpretation, including monocytopenia, absolute monocyte count, CBC differential context, low white blood cells, medicines, immune suppression, persistence, and follow-up questions." }, { "title": "Mosaic NF1 Genetic Testing | Segmental Neurofibromatosis, Tissue Testing, and Family Risk", "url": "https://mainstreetbloodlab.com/articles/mosaic-nf1-genetic-testing.html", "path": "/articles/mosaic-nf1-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand mosaic NF1 genetic testing, including segmental neurofibromatosis, negative blood tests, tissue testing, tumor findings, family risk, and counseling." }, { "title": "MTHFR Genetic Testing Claims | Homocysteine, Folate, Pregnancy, Clots, and Limits", "url": "https://mainstreetbloodlab.com/articles/mthfr-genetic-testing-claims.html", "path": "/articles/mthfr-genetic-testing-claims.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand MTHFR genetic testing claims, including common variants, homocysteine, folate, pregnancy, blood clots, and why routine testing is often not useful." }, { "title": "MTHFR Testing Claims | Folate, Folic Acid, Homocysteine, Pregnancy, and Genetic Reports", "url": "https://mainstreetbloodlab.com/articles/mthfr-testing-claims.html", "path": "/articles/mthfr-testing-claims.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand MTHFR testing claims, including C677T, A1298C, folate, folic acid, homocysteine, pregnancy claims, rare homocystinuria, and when testing may matter." }, { "title": "Multi-Cancer Early Detection Blood Test Claims | MCED, Screening, False Positives, and Limits", "url": "https://mainstreetbloodlab.com/articles/multi-cancer-early-detection-blood-test-claims.html", "path": "/articles/multi-cancer-early-detection-blood-test-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand multi-cancer early detection blood test claims, including MCED tests, cancer screening, false positives, false negatives, FDA status, follow-up imaging, and clinical utility limits." }, { "title": "Mycoplasma Genitalium Testing | Mgen NAAT, Symptoms, Resistance, Partners, and Panel Limits", "url": "https://mainstreetbloodlab.com/articles/mycoplasma-genitalium-testing.html", "path": "/articles/mycoplasma-genitalium-testing.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 9, "sectionCount": 10, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Mycoplasma genitalium testing, including when Mgen NAAT is considered, urine and swab samples, persistent urethritis or cervicitis, PID context, macrolide resistance, partner follow-up, and why routine screening is not recommended." }, { "title": "Myelocytes on CBC Differential | Left Shift, Infection, Immature Granulocytes, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/myelocytes-cbc-differential-interpretation.html", "path": "/articles/myelocytes-cbc-differential-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 17, "sectionCount": 11, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to myelocytes on CBC differential or blood smear reports, including left shift, immature granulocytes, infection, inflammation, leukemoid reaction, marrow stress, persistent high WBC, blasts, and follow-up questions." }, { "title": "NAD Testing Claims | Blood NAD+, NR, NMN, Longevity Marketing, and Evidence Limits", "url": "https://mainstreetbloodlab.com/articles/nad-testing-claims.html", "path": "/articles/nad-testing-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand NAD testing claims, including blood NAD+ levels, NAD metabolome testing, NR and NMN supplements, longevity marketing, measurement limits, and evidence questions." }, { "title": "Negative RET Testing With Medullary Thyroid Cancer | Germline Testing, Tumor Testing, MEN2, Family Risk, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/negative-ret-testing-medullary-thyroid-cancer.html", "path": "/articles/negative-ret-testing-medullary-thyroid-cancer.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand negative RET testing with medullary thyroid cancer, including germline testing, tumor testing, MEN2, sporadic MTC, family risk, and follow-up questions." }, { "title": "High Neutrophil Count | Neutrophilia, ANC, Infection, Steroids, Stress, Left Shift, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/neutrophil-count-high-interpretation.html", "path": "/articles/neutrophil-count-high-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to high neutrophil count results, including neutrophilia, absolute neutrophil count, ANC, CBC differential, infection, inflammation, corticosteroids, stress, smoking, pregnancy, left shift, bands, immature granulocytes, toxic granulation, smear review, and hematology follow-up." }, { "title": "Low Neutrophil Count | Neutropenia, ANC, Fever, Infection Risk, Medicines, Viral Illness, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/neutrophil-count-low-interpretation.html", "path": "/articles/neutrophil-count-low-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to low neutrophil count results, including neutropenia, absolute neutrophil count, ANC, fever, infection risk, chemotherapy, medicines, viral illness, autoimmune disease, B12, folate, copper, repeat CBC, smear review, and hematology follow-up." }, { "title": "Newborn Screening vs Genetic Testing | Heel Stick, Hearing, Heart Screening, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/newborn-screening-vs-genetic-testing.html", "path": "/articles/newborn-screening-vs-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand newborn screening versus genetic testing, including blood spot heel-stick screening, hearing screening, pulse oximetry, state panels, positive screens, and confirmation." }, { "title": "NF1 Genetic Testing for Tumor Predisposition | Neurofibromatosis Type 1, Cafe-au-Lait Spots, Plexiform Neurofibromas, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/nf1-genetic-testing-tumor-predisposition.html", "path": "/articles/nf1-genetic-testing-tumor-predisposition.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand NF1 genetic testing for tumor predisposition, including neurofibromatosis type 1, cafe-au-lait spots, plexiform neurofibromas, optic glioma, VUS, and family testing." }, { "title": "NF1 Pheochromocytoma Genetic Testing | Blood Pressure Spells, Metanephrines, and Family Risk", "url": "https://mainstreetbloodlab.com/articles/nf1-pheochromocytoma-genetic-testing.html", "path": "/articles/nf1-pheochromocytoma-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand when NF1 pheochromocytoma testing matters, including high blood pressure spells, metanephrines, adrenal masses, tumor versus germline results, and family counseling." }, { "title": "Norovirus Stool Test | RT-qPCR, Whole Stool, Outbreak Testing, and Clinical Limits", "url": "https://mainstreetbloodlab.com/articles/norovirus-stool-test.html", "path": "/articles/norovirus-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand norovirus stool testing, including RT-qPCR, whole stool specimen collection, outbreak use, antigen limits, timing, and why many individual cases are diagnosed clinically." }, { "title": "NRBCs on CBC | Nucleated Red Blood Cells, Peripheral Smear, Anemia, Hypoxia, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/nrbc-present-on-cbc-interpretation.html", "path": "/articles/nrbc-present-on-cbc-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to NRBCs on CBC and smear reports, including nucleated red blood cells, newborn context, anemia, hypoxia, bleeding, hemolysis, marrow stress, leukoerythroblastic patterns, and follow-up questions." }, { "title": "Omega-3 Index Test | EPA, DHA, Fish Oil, and Result Limits", "url": "https://mainstreetbloodlab.com/articles/omega-3-index-test.html", "path": "/articles/omega-3-index-test.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to the omega-3 index blood test, including EPA, DHA, red blood cell fatty acids, cardiovascular evidence, supplements, and result caveats." }, { "title": "PAI-1 Activity Testing | SERPINE1, Activity vs Antigen, Bleeding, and Fibrinolysis", "url": "https://mainstreetbloodlab.com/articles/pai-1-activity-testing.html", "path": "/articles/pai-1-activity-testing.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand PAI-1 activity testing, including SERPINE1 deficiency, activity versus antigen, delayed bleeding, pregnancy and inflammation effects, and fibrinolysis follow-up." }, { "title": "PALB2 Genetic Testing Result Interpretation | Breast, Pancreatic, Ovarian Risk, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/palb2-genetic-testing-result-interpretation.html", "path": "/articles/palb2-genetic-testing-result-interpretation.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand PALB2 genetic testing results, including pathogenic variants, VUS results, breast cancer risk, pancreatic and ovarian risk questions, tumor-only findings, and family testing." }, { "title": "Pancreatic Elastase Stool Test | Exocrine Pancreatic Insufficiency, Chronic Pancreatitis, CF, and Limits", "url": "https://mainstreetbloodlab.com/articles/pancreatic-elastase-stool-test.html", "path": "/articles/pancreatic-elastase-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand pancreatic elastase stool testing, including exocrine pancreatic insufficiency, chronic pancreatitis, cystic fibrosis, stool quality, low results, and follow-up." }, { "title": "Pappenheimer Bodies on Blood Smear Interpretation | Iron Granules, Sideroblastic Anemia, Thalassemia, Asplenia, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/pappenheimer-bodies-blood-smear-interpretation.html", "path": "/articles/pappenheimer-bodies-blood-smear-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 9, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Pappenheimer bodies on blood smear interpretation, including iron granules, Prussian blue stain, sideroblastic anemia, thalassemia, asplenia, lead, and follow-up questions." }, { "title": "Paraganglioma tumor testing vs germline testing", "url": "https://mainstreetbloodlab.com/articles/paraganglioma-tumor-testing-vs-germline-testing.html", "path": "/articles/paraganglioma-tumor-testing-vs-germline-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Compare paraganglioma tumor testing vs germline testing, including somatic variants, inherited risk, paired testing, family testing, SDHx, VHL, and counseling." }, { "title": "Paragonimus Antibody Testing | Lung Fluke, Sputum, Stool, Eosinophils, Travel, and CDC Serology", "url": "https://mainstreetbloodlab.com/articles/paragonimus-antibody-testing.html", "path": "/articles/paragonimus-antibody-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Paragonimus antibody testing for lung fluke infection, including sputum and stool microscopy, eosinophils, travel and raw crab or crayfish exposure, and CDC context." }, { "title": "Parathyroid hormone (PTH) test | Calcium, vitamin D, kidney disease, and pattern interpretation", "url": "https://mainstreetbloodlab.com/articles/parathyroid-hormone-pth-test.html", "path": "/articles/parathyroid-hormone-pth-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 9, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to parathyroid hormone (PTH) testing, including calcium patterns, vitamin D, kidney disease, phosphorus, magnesium, hyperparathyroidism, and follow-up questions." }, { "title": "Partner Notification and EPT for STIs | Testing, Treatment, and State Rules", "url": "https://mainstreetbloodlab.com/articles/partner-notification-ept-sti.html", "path": "/articles/partner-notification-ept-sti.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A CDC-aligned guide to partner notification and expedited partner therapy (EPT) for STIs, including chlamydia and gonorrhea partner treatment, testing questions, HIV and syphilis screening, and state-by-state legal caveats." }, { "title": "Pelvic Exam vs STI Testing | Pap, HPV, Swabs, Urine, and Blood Tests", "url": "https://mainstreetbloodlab.com/articles/pelvic-exam-vs-sti-testing.html", "path": "/articles/pelvic-exam-vs-sti-testing.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A CDC-aligned guide to pelvic exams versus STI testing, including Pap and HPV screening, STI swabs, urine and blood tests, symptoms, and what to ask before assuming you were tested." }, { "title": "Peripheral Blood Smear Test | Cell Morphology, CBC Follow-Up, Hemolysis Clues, and Platelet Review", "url": "https://mainstreetbloodlab.com/articles/peripheral-blood-smear-test.html", "path": "/articles/peripheral-blood-smear-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand peripheral blood smear testing, including cell morphology, CBC follow-up, hemolysis clues, platelet clumping, anemia, infection, and review questions." }, { "title": "PFAS Blood Testing Claims | Forever Chemicals, Exposure, Limits, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/pfas-blood-testing-claims.html", "path": "/articles/pfas-blood-testing-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand PFAS blood testing claims, including ATSDR guidance, biomonitoring, exposure reduction, what blood tests can show, and what they cannot predict." }, { "title": "Pharmacogenomics Testing Guide | Genes, Medication Response, and Limits", "url": "https://mainstreetbloodlab.com/articles/pharmacogenomics-testing.html", "path": "/articles/pharmacogenomics-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand pharmacogenomics testing, medication-response genes, FDA labeling, CPIC guidance, why genes are only one part of drug response, and what to ask before changing medication." }, { "title": "Phosphorus Blood Test Guide | Phosphate, Kidney Disease, Calcium, PTH, Vitamin D, and Results", "url": "https://mainstreetbloodlab.com/articles/phosphorus-blood-test.html", "path": "/articles/phosphorus-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 9, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Learn phosphorus blood test results, including phosphate, high or low phosphorus, kidney disease, calcium, PTH, vitamin D, magnesium, diet, supplements, and follow-up." }, { "title": "Phthalate and BPA Urine Testing Claims | Biomonitoring, Exposure, and Limits", "url": "https://mainstreetbloodlab.com/articles/phthalate-bpa-urine-testing-claims.html", "path": "/articles/phthalate-bpa-urine-testing-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand consumer phthalate and BPA urine testing claims, including CDC biomonitoring context, short-term exposure limits, and DTC test questions." }, { "title": "Pinworm Tape Test | Morning Collection, Itching, Kids, Household Spread, and Stool Test Limits", "url": "https://mainstreetbloodlab.com/articles/pinworm-tape-test.html", "path": "/articles/pinworm-tape-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand the pinworm tape test, including morning collection, anal itching, children, household spread, why stool testing can miss pinworm, and follow-up questions." }, { "title": "Plasma Cells on CBC Differential | Smear Review, Reactive Causes, Myeloma Clues, SPEP, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/plasma-cells-cbc-differential-interpretation.html", "path": "/articles/plasma-cells-cbc-differential-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 16, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to plasma cells on CBC differential and blood smear reports, including reactive causes, atypical plasma cells, peripheral smear review, SPEP, immunofixation, serum free light chains, multiple myeloma clues, plasma cell leukemia context, urgent symptoms, and follow-up questions." }, { "title": "Plasminogen Activity Testing | PLG Deficiency, Activity vs Antigen, and Fibrinolysis", "url": "https://mainstreetbloodlab.com/articles/plasminogen-activity-testing.html", "path": "/articles/plasminogen-activity-testing.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand plasminogen activity testing, including PLG deficiency, ligneous conjunctivitis, activity versus antigen, acquired low results, fibrinolysis, and specialty follow-up." }, { "title": "High Platelet Count | Thrombocytosis, Reactive Causes, Iron Deficiency, Inflammation, Clot Risk, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/platelet-count-high-interpretation.html", "path": "/articles/platelet-count-high-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to high platelet count results, including thrombocytosis, reactive thrombocytosis, essential thrombocythemia, iron deficiency, inflammation, infection, surgery, clot symptoms, bleeding symptoms, JAK2, CALR, MPL, and hematology follow-up." }, { "title": "Low Platelet Count | Thrombocytopenia, Bleeding Risk, Platelet Clumping, CBC Context, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/platelet-count-low-interpretation.html", "path": "/articles/platelet-count-low-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to low platelet count results, including thrombocytopenia, platelet clumping, pseudothrombocytopenia, bleeding symptoms, petechiae, medicines, infection, liver disease, pregnancy, smear review, and when urgent follow-up matters." }, { "title": "Platelet Function Testing | Platelet Aggregation, Aspirin Effect, VWD, and Bleeding Workup", "url": "https://mainstreetbloodlab.com/articles/platelet-function-testing.html", "path": "/articles/platelet-function-testing.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand platelet function testing, including platelet aggregometry, closure time, aspirin and NSAID effects, von Willebrand disease, inherited platelet disorders, and test limits." }, { "title": "PNH Flow Cytometry Testing | Paroxysmal Nocturnal Hemoglobinuria, Hemolysis, Clots, CD55, CD59, and FLAER", "url": "https://mainstreetbloodlab.com/articles/pnh-flow-cytometry-testing.html", "path": "/articles/pnh-flow-cytometry-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand PNH flow cytometry testing, including paroxysmal nocturnal hemoglobinuria, hemolysis, unusual clots, CD55/CD59, FLAER, CBC clues, and monitoring." }, { "title": "Polygenic risk score interpretation | Risk estimates, ancestry, and limits", "url": "https://mainstreetbloodlab.com/articles/polygenic-risk-score-tests.html", "path": "/articles/polygenic-risk-score-tests.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand polygenic risk score tests, including what PRS means, why ancestry and validation matter, how risk scores differ from single-gene tests, and what to ask before acting." }, { "title": "Positive RET Test Next Steps | Germline vs Tumor, MEN2, Family Testing, and Counseling", "url": "https://mainstreetbloodlab.com/articles/positive-ret-test-next-steps.html", "path": "/articles/positive-ret-test-next-steps.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand positive RET test next steps, including germline vs tumor results, MEN2, family testing, counseling, and follow-up." }, { "title": "Positive STI Test Result | Treatment, Partners, Retesting, Confirmation, and Next Steps", "url": "https://mainstreetbloodlab.com/articles/positive-sti-result-next-steps.html", "path": "/articles/positive-sti-result-next-steps.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 15, "sectionCount": 11, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "What to do after a positive STI test result: confirm unclear results, get treatment, avoid reinfection, notify partners, ask about EPT, retest at the right time, and get linked to care." }, { "title": "Post-Infectious IBS Testing Questions | Persistent Diarrhea, Calprotectin, Celiac Testing, and Red Flags", "url": "https://mainstreetbloodlab.com/articles/post-infectious-ibs-testing-questions.html", "path": "/articles/post-infectious-ibs-testing-questions.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand post-infectious IBS testing questions after gastroenteritis, including persistent diarrhea, stool tests, calprotectin, celiac testing, red flags, and when to follow up." }, { "title": "Postbiotic Testing Claims | Supplement Definitions and Evidence Limits", "url": "https://mainstreetbloodlab.com/articles/postbiotic-testing-claims.html", "path": "/articles/postbiotic-testing-claims.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand postbiotic testing claims, probiotic and postbiotic definitions, microbiome report recommendations, supplement evidence, and why a stool test may not prove benefit." }, { "title": "Prenatal Screening vs Diagnostic Genetic Testing | NIPT, CVS, Amniocentesis, and Results", "url": "https://mainstreetbloodlab.com/articles/prenatal-screening-vs-diagnostic-genetic-testing.html", "path": "/articles/prenatal-screening-vs-diagnostic-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand prenatal screening versus diagnostic genetic testing, including cfDNA/NIPT, serum screening, ultrasound, CVS, amniocentesis, positive screens, and counseling." }, { "title": "PrEP Labs and STI Testing Follow-Up | HIV, Kidney, Hepatitis, and STI Checks", "url": "https://mainstreetbloodlab.com/articles/prep-labs-sti-testing-follow-up.html", "path": "/articles/prep-labs-sti-testing-follow-up.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A CDC-aligned guide to PrEP labs and STI testing follow-up, including HIV testing, kidney function, hepatitis B, cholesterol, chlamydia, gonorrhea, syphilis, and oral versus injectable PrEP schedules." }, { "title": "Probiotics Test-Based Recommendations | Strain-Level Evidence and Safety Limits", "url": "https://mainstreetbloodlab.com/articles/probiotics-test-based-recommendations.html", "path": "/articles/probiotics-test-based-recommendations.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand probiotic recommendations from microbiome tests, strain-specific evidence, safety questions, supplement limits, and why a gut report may not prove benefit." }, { "title": "Prolactin Blood Test | High Prolactin, Irregular Periods, Fertility, and MRI Follow-Up", "url": "https://mainstreetbloodlab.com/articles/prolactin-blood-test.html", "path": "/articles/prolactin-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand prolactin blood testing, including high prolactin, irregular periods, nipple discharge, fertility questions, thyroid and kidney causes, medications, repeat testing, and when MRI or endocrinology follow-up is considered." }, { "title": "Promonocytes on CBC Differential | Monocytes, Blast Equivalents, AML Clues, Smear Review, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/promonocytes-cbc-differential-interpretation.html", "path": "/articles/promonocytes-cbc-differential-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 16, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to promonocytes on CBC differential and blood smear reports, including monocyte-lineage immature cells, blast-equivalent context, monoblasts, AML clues, smear review, flow cytometry, cytogenetic and molecular testing, urgent symptoms, and hematology follow-up questions." }, { "title": "Promyelocytes on CBC Differential | Left Shift, Blasts, Auer Rods, APL Risk, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/promyelocytes-cbc-differential-interpretation.html", "path": "/articles/promyelocytes-cbc-differential-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 17, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to promyelocytes on CBC differential or blood smear reports, including left shift, blasts, Auer rods, acute promyelocytic leukemia risk, smear review, flow cytometry, cytogenetic and molecular testing, and urgent follow-up questions." }, { "title": "Protein C, Protein S, and Antithrombin Testing | Thrombophilia, Blood Clots, Timing, and Results", "url": "https://mainstreetbloodlab.com/articles/protein-c-protein-s-antithrombin-testing.html", "path": "/articles/protein-c-protein-s-antithrombin-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand protein C, protein S, and antithrombin testing, including inherited and acquired thrombophilia, clot history, timing after thrombosis, warfarin, heparin, and repeat testing." }, { "title": "Prothrombin G20210A Testing | F2 Mutation, Blood Clots, Family Risk, and Thrombophilia Panels", "url": "https://mainstreetbloodlab.com/articles/prothrombin-g20210a-testing.html", "path": "/articles/prothrombin-g20210a-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand prothrombin G20210A testing, including F2 genetic testing, venous blood clot risk, family history, pregnancy and estrogen context, and thrombophilia testing limits." }, { "title": "PT/INR Blood Test Guide | High INR, Warfarin, Liver, Vitamin K, and Bleeding", "url": "https://mainstreetbloodlab.com/articles/pt-inr-blood-test.html", "path": "/articles/pt-inr-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand PT/INR blood testing, including prothrombin time, high INR, warfarin monitoring, liver disease, vitamin K, bleeding, clotting, procedures, and follow-up questions." }, { "title": "PTCH1 genetic testing | Gorlin syndrome, jaw cysts, and family follow-up", "url": "https://mainstreetbloodlab.com/articles/ptch1-gorlin-syndrome-genetic-testing.html", "path": "/articles/ptch1-gorlin-syndrome-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand PTCH1 genetic testing for Gorlin syndrome, including jaw cysts, early basal cell cancers, SUFU, surveillance, and family testing." }, { "title": "PTEN Hamartoma Tumor Syndrome Genetic Testing | Cowden Syndrome, Cancer Risk, and VUS Results", "url": "https://mainstreetbloodlab.com/articles/pten-hamartoma-tumor-syndrome-genetic-testing.html", "path": "/articles/pten-hamartoma-tumor-syndrome-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand PTEN hamartoma tumor syndrome genetic testing, including Cowden syndrome, cancer-risk context, VUS results, tumor-only findings, and family testing." }, { "title": "RAD51C and RAD51D Genetic Testing Result Interpretation | Ovarian Cancer Risk, VUS, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/rad51c-rad51d-genetic-testing-result-interpretation.html", "path": "/articles/rad51c-rad51d-genetic-testing-result-interpretation.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RAD51C and RAD51D genetic testing results, including ovarian cancer risk, breast-risk questions, VUS results, tumor-only findings, and family testing." }, { "title": "RASopathy Genetic Testing | Noonan Spectrum, CFC, Costello, Legius, and Family Counseling", "url": "https://mainstreetbloodlab.com/articles/rasopathy-genetic-testing.html", "path": "/articles/rasopathy-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RASopathy genetic testing, including Noonan syndrome spectrum, cardiofaciocutaneous and Costello syndromes, Legius/NF1 overlap, prenatal clues, family testing, and counseling limits." }, { "title": "Raw DNA Upload Privacy Risks | Genetic Data, Third-Party Reports, and Limits", "url": "https://mainstreetbloodlab.com/articles/raw-dna-upload-privacy-risks.html", "path": "/articles/raw-dna-upload-privacy-risks.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand raw DNA uploads, third-party interpretation sites, genetic privacy risks, data sharing, family implications, clinical confirmation, and GINA limits." }, { "title": "Reactive Lymphocytes vs Blasts | CBC Wording, Smear Review, Flow Cytometry, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/reactive-lymphocytes-vs-blasts-interpretation.html", "path": "/articles/reactive-lymphocytes-vs-blasts-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 16, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to reactive lymphocytes vs blasts on CBC and blood smear reports, including atypical lymphocytes, blast-like cells, analyzer flags, peripheral smear review, flow cytometry, infection context, leukemia questions, urgent symptoms, and follow-up questions." }, { "title": "Recovery and Readiness Wearables | HRV, Sleep Scores, Training Load, and Limits", "url": "https://mainstreetbloodlab.com/articles/recovery-readiness-wearables.html", "path": "/articles/recovery-readiness-wearables.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalDevice", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand wearable recovery and readiness scores, including HRV, sleep scores, resting heart rate, training load, illness signals, algorithm limits, and when not to follow the score." }, { "title": "RET Allele Fraction Questions | MEN2, Mosaicism, Tumor Testing, Germline Testing, and Family Risk", "url": "https://mainstreetbloodlab.com/articles/ret-allele-fraction-questions.html", "path": "/articles/ret-allele-fraction-questions.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET allele fraction questions, including MEN2, mosaicism, tumor-only findings, germline testing, sample type, and family-risk follow-up." }, { "title": "RET C609Y and C618R report questions | Exact variant, MEN2A, family testing, and follow-up", "url": "https://mainstreetbloodlab.com/articles/ret-c609y-c618r-report-questions.html", "path": "/articles/ret-c609y-c618r-report-questions.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET C609Y and C618R report questions, including exact variant classification, MEN2A context, germline testing, sample type, and family follow-up." }, { "title": "RET Calcitonin Follow-Up After Positive Genetic Testing | MEN2, Calcitonin, and Specialist Questions", "url": "https://mainstreetbloodlab.com/articles/ret-calcitonin-follow-up-after-positive-genetic-testing.html", "path": "/articles/ret-calcitonin-follow-up-after-positive-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET calcitonin follow-up after positive genetic testing, including MEN2, medullary thyroid cancer risk, specialist planning, and family questions." }, { "title": "RET cascade testing for children questions | MEN2 family variant, timing, counseling, and follow-up", "url": "https://mainstreetbloodlab.com/articles/ret-cascade-testing-children-questions.html", "path": "/articles/ret-cascade-testing-children-questions.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET cascade testing for children questions, including MEN2 family variants, timing, targeted testing, counseling, and endocrine follow-up." }, { "title": "RET codon 609, 611, 618, and 620 questions | Exact variant, MEN2A, FMTC, and family testing", "url": "https://mainstreetbloodlab.com/articles/ret-codon-609-611-618-620-questions.html", "path": "/articles/ret-codon-609-611-618-620-questions.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET codon 609, 611, 618, and 620 questions, including exact variant notation, MEN2A, familial medullary thyroid cancer, and family testing." }, { "title": "RET Codon 634 MEN2A Questions | C634 Variants, Medullary Thyroid Cancer, Pheochromocytoma, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/ret-codon-634-men2a-questions.html", "path": "/articles/ret-codon-634-men2a-questions.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET codon 634 MEN2A questions, including C634 variants, medullary thyroid cancer, pheochromocytoma, parathyroid context, and family testing." }, { "title": "RET Codon 918 MEN2B Questions | M918T, Medullary Thyroid Cancer, Childhood Timing, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/ret-codon-918-men2b-questions.html", "path": "/articles/ret-codon-918-men2b-questions.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET codon 918 MEN2B questions, including M918T, medullary thyroid cancer risk, childhood timing, tumor versus germline testing, and family follow-up." }, { "title": "RET Codon and Variant Comparison Guide | M918T, Codon 634, V804M, MEN2, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/ret-codon-variant-comparison-guide.html", "path": "/articles/ret-codon-variant-comparison-guide.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Compare RET codon and variant report questions, including M918T, codon 634, V804M, codons 609/611/618/620, MEN2 risk categories, VUS results, and family testing." }, { "title": "RET De Novo Variant Questions | MEN2, Parents, Mosaicism, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/ret-de-novo-variant-questions.html", "path": "/articles/ret-de-novo-variant-questions.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET de novo variant questions, including MEN2, parent testing, mosaicism, family risk, children, and genetic counseling follow-up." }, { "title": "RET family letter questions | MEN2 cascade testing, relatives, and genetic counseling", "url": "https://mainstreetbloodlab.com/articles/ret-family-letter-questions.html", "path": "/articles/ret-family-letter-questions.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET family letter questions after a positive MEN2-related result, including cascade testing, relatives at risk, variant wording, and genetic counseling." }, { "title": "RET MEN2 genetic testing | Multiple endocrine neoplasia type 2, medullary thyroid cancer, pheochromocytoma, and family testing", "url": "https://mainstreetbloodlab.com/articles/ret-men2-genetic-testing.html", "path": "/articles/ret-men2-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET MEN2 genetic testing, including multiple endocrine neoplasia type 2, medullary thyroid cancer, pheochromocytoma, parathyroid disease, genotype risk, and family testing." }, { "title": "RET Mosaicism Questions | MEN2, De Novo Variants, Sample Type, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/ret-mosaicism-questions.html", "path": "/articles/ret-mosaicism-questions.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET mosaicism questions, including MEN2, de novo variants, sample type, parent testing, family risk, and genetic counseling follow-up." }, { "title": "RET negative family variant testing interpretation | True negative, uninformative negative, and follow-up", "url": "https://mainstreetbloodlab.com/articles/ret-negative-family-variant-testing-interpretation.html", "path": "/articles/ret-negative-family-variant-testing-interpretation.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET negative family variant testing interpretation, including true negative results, uninformative negatives, known family variants, MEN2 family testing, and follow-up questions." }, { "title": "RET Normal Comparator Sample Questions | Tumor-Normal Testing, Blood, Saliva, MEN2, and Germline Risk", "url": "https://mainstreetbloodlab.com/articles/ret-normal-comparator-sample-questions.html", "path": "/articles/ret-normal-comparator-sample-questions.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET normal comparator sample questions in paired tumor-normal testing, including blood, saliva, tumor-only reports, MEN2 germline risk, and family follow-up." }, { "title": "RET Paired Tumor-Normal Testing Questions | Tumor Findings, Germline Risk, MEN2, and Family Follow-Up", "url": "https://mainstreetbloodlab.com/articles/ret-paired-tumor-normal-testing-questions.html", "path": "/articles/ret-paired-tumor-normal-testing-questions.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET paired tumor-normal testing questions, including the normal comparator sample, tumor findings, germline risk, MEN2, medullary thyroid cancer, and family follow-up." }, { "title": "RET Prenatal and Childhood Testing Questions | MEN2 Timing, Children, Family Variants, and Counseling", "url": "https://mainstreetbloodlab.com/articles/ret-prenatal-childhood-testing-questions.html", "path": "/articles/ret-prenatal-childhood-testing-questions.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET prenatal and childhood testing questions, including MEN2 timing, children, family variants, counseling, and follow-up." }, { "title": "RET Result Follow-Up Roadmap | Tumor, Germline, Mosaicism, MEN2, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/ret-result-follow-up-roadmap.html", "path": "/articles/ret-result-follow-up-roadmap.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Use a RET result follow-up roadmap to sort tumor-only findings, germline RET variants, mosaicism questions, MEN2 risk, specimen type, and family testing next steps." }, { "title": "RET Risk Category Interpretation | MEN2, ATA Risk, Variant Type, and Specialist Follow-Up", "url": "https://mainstreetbloodlab.com/articles/ret-risk-category-interpretation.html", "path": "/articles/ret-risk-category-interpretation.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET risk category interpretation, including MEN2, ATA risk language, exact variant, germline versus tumor testing, and specialist follow-up questions." }, { "title": "RET Saliva vs Blood Germline Testing | MEN2, Sample Type, Mosaicism, Family Testing Questions", "url": "https://mainstreetbloodlab.com/articles/ret-saliva-vs-blood-germline-testing.html", "path": "/articles/ret-saliva-vs-blood-germline-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET saliva vs blood germline testing questions, including MEN2, medullary thyroid cancer, sample type, mosaicism, tumor-only results, and family follow-up." }, { "title": "RET Tumor-Only vs Germline Follow-Up | MEN2, Sample Type, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/ret-tumor-only-vs-germline-follow-up.html", "path": "/articles/ret-tumor-only-vs-germline-follow-up.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET tumor-only vs germline follow-up, including MEN2, medullary thyroid cancer, sample type, family testing, and genetic counseling questions." }, { "title": "RET tumor testing vs germline testing | tumor biology, MEN2, and family risk", "url": "https://mainstreetbloodlab.com/articles/ret-tumor-testing-vs-germline-testing.html", "path": "/articles/ret-tumor-testing-vs-germline-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET tumor testing vs germline testing, including medullary thyroid cancer, MEN2, paired tumor-normal testing, family risk, and counseling." }, { "title": "RET V804M Variant Interpretation | MEN2A, Familial Medullary Thyroid Cancer, Moderate Risk, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/ret-v804m-variant-interpretation.html", "path": "/articles/ret-v804m-variant-interpretation.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET V804M variant interpretation, including MEN2A, familial medullary thyroid cancer, moderate-risk language, family testing, and follow-up questions." }, { "title": "RET Variant of Uncertain Significance Interpretation | MEN2, Medullary Thyroid Cancer, VUS, Reclassification, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/ret-variant-uncertain-significance-interpretation.html", "path": "/articles/ret-variant-uncertain-significance-interpretation.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET variant of uncertain significance interpretation, including MEN2, medullary thyroid cancer, VUS reports, reclassification, family testing limits, and counseling." }, { "title": "RET vs VHL pheochromocytoma genetic testing", "url": "https://mainstreetbloodlab.com/articles/ret-vs-vhl-pheochromocytoma-genetic-testing.html", "path": "/articles/ret-vs-vhl-pheochromocytoma-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Compare RET and VHL pheochromocytoma genetic testing, including MEN2, medullary thyroid cancer, kidney cancer clues, family testing, surveillance, and when a negative result does not settle the question." }, { "title": "RET VUS Family Testing Questions | Variant of Uncertain Significance, MEN2, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/ret-vus-family-testing-questions.html", "path": "/articles/ret-vus-family-testing-questions.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RET VUS family testing questions, including variant of uncertain significance, MEN2 context, relatives, reclassification, and genetic counseling." }, { "title": "Reticulocyte Count Test Guide | High, Low, Corrected Retic, Anemia, and Hemolysis", "url": "https://mainstreetbloodlab.com/articles/reticulocyte-count-test.html", "path": "/articles/reticulocyte-count-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Learn how to interpret a reticulocyte count, including high and low retic results, absolute and corrected reticulocyte count, anemia, hemolysis, blood loss, CBC context, and follow-up questions." }, { "title": "Rotavirus Stool Test | RT-PCR, Antigen, Whole Stool, Vaccination, and Outbreak Context", "url": "https://mainstreetbloodlab.com/articles/rotavirus-stool-test.html", "path": "/articles/rotavirus-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand rotavirus stool testing, including RT-PCR, antigen testing, whole stool specimen collection, vaccination context, outbreak use, and why many cases are managed clinically." }, { "title": "Rouleaux on Blood Smear Interpretation | Stacked Red Cells, ESR, SPEP, High Protein, Myeloma, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/rouleaux-blood-smear-interpretation.html", "path": "/articles/rouleaux-blood-smear-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 9, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand rouleaux on blood smear interpretation, including stacked red cells, ESR, high protein states, SPEP, immunofixation, myeloma questions, and follow-up." }, { "title": "Routine Blood Tests for Preventive Health and Optimization | What to Ask Before Ordering", "url": "https://mainstreetbloodlab.com/articles/routine-blood-tests-preventive-health-optimization.html", "path": "/articles/routine-blood-tests-preventive-health-optimization.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand routine blood tests for preventive care and health optimization, including CBC, CMP, A1C, lipids, thyroid, iron, vitamins, STI labs, and how to avoid overtesting." }, { "title": "RUNX1 Genetic Testing for Familial Platelet Disorder | Bleeding, Thrombocytopenia, MDS/AML, and Donor Selection", "url": "https://mainstreetbloodlab.com/articles/runx1-genetic-testing-familial-platelet-disorder.html", "path": "/articles/runx1-genetic-testing-familial-platelet-disorder.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand RUNX1 genetic testing for familial platelet disorder with associated myeloid malignancies, including bleeding, platelet counts, MDS/AML risk, and germline confirmation." }, { "title": "Salmonella Stool Test | Culture, PCR, Bloodstream Risk, and Public Health Follow-Up", "url": "https://mainstreetbloodlab.com/articles/salmonella-stool-test.html", "path": "/articles/salmonella-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Salmonella stool testing, including culture, PCR/CIDT, reflex culture, antimicrobial susceptibility, foodborne outbreaks, and urgent red flags." }, { "title": "SAMD9 and SAMD9L Genetic Testing | Inherited MDS, Monosomy 7, Germline Confirmation, Donors, and Family Follow-Up", "url": "https://mainstreetbloodlab.com/articles/samd9-samd9l-genetic-testing.html", "path": "/articles/samd9-samd9l-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand SAMD9 and SAMD9L genetic testing for inherited myeloid risk, including pediatric MDS, monosomy 7, MIRAGE syndrome, ataxia-pancytopenia, germline confirmation, and donor selection." }, { "title": "Sapovirus Stool Test | PCR, GI Panels, Outbreaks, Viral Gastroenteritis, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/sapovirus-stool-test.html", "path": "/articles/sapovirus-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand sapovirus stool testing, including PCR and GI panel results, outbreak context, norovirus-negative testing, symptoms, and interpretation limits." }, { "title": "Schistocytes on Blood Smear Interpretation | Fragmented Red Cells, Hemolysis, TMA, DIC, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/schistocytes-blood-smear-interpretation.html", "path": "/articles/schistocytes-blood-smear-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand schistocytes on blood smear interpretation, including fragmented red cells, hemolysis labs, thrombotic microangiopathy, DIC, urgent context, and follow-up." }, { "title": "Schistosoma Testing | Stool, Urine, Antibody Tests, Freshwater Exposure, Travel, and Egg Detection", "url": "https://mainstreetbloodlab.com/articles/schistosoma-testing.html", "path": "/articles/schistosoma-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Schistosoma testing, including stool and urine egg detection, antibody tests, freshwater exposure, travel, repeat specimens, and species context." }, { "title": "SDHA Paraganglioma Genetic Testing | Low-Penetrance SDHx Results, Pheochromocytoma, GIST, Family Testing, and Surveillance", "url": "https://mainstreetbloodlab.com/articles/sdha-paraganglioma-genetic-testing.html", "path": "/articles/sdha-paraganglioma-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand SDHA paraganglioma genetic testing, including low-penetrance SDHx results, hereditary paraganglioma-pheochromocytoma syndromes, GIST context, incidental findings, family testing, and surveillance." }, { "title": "SDHx Paraganglioma and Pheochromocytoma Genetic Testing | SDHA, SDHB, SDHC, SDHD, SDHAF2, Tumor Risk, and Family Testing", "url": "https://mainstreetbloodlab.com/articles/sdhx-paraganglioma-pheochromocytoma-genetic-testing.html", "path": "/articles/sdhx-paraganglioma-pheochromocytoma-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand SDHx paraganglioma and pheochromocytoma genetic testing, including SDHA, SDHB, SDHC, SDHD, SDHAF2, tumor location clues, metastatic risk, imprinting, and family testing." }, { "title": "Serum Protein Electrophoresis (SPEP) | Monoclonal Protein, MGUS, and Free Light Chains", "url": "https://mainstreetbloodlab.com/articles/serum-protein-electrophoresis-spep.html", "path": "/articles/serum-protein-electrophoresis-spep.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand serum protein electrophoresis (SPEP), including monoclonal protein, M-spike, MGUS, multiple myeloma, immunofixation, free light chains, and follow-up testing." }, { "title": "Shiga Toxin and STEC Stool Test | O157, Non-O157, Culture, PCR, and HUS Risk", "url": "https://mainstreetbloodlab.com/articles/shiga-toxin-stec-stool-test.html", "path": "/articles/shiga-toxin-stec-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Shiga toxin and STEC stool testing, including E. coli O157, non-O157 STEC, stool culture, toxin testing, PCR panels, HUS risk, and urgent symptoms." }, { "title": "Shigella Stool Test | Culture, PCR, Resistance, and Public Health Follow-Up", "url": "https://mainstreetbloodlab.com/articles/shigella-stool-test.html", "path": "/articles/shigella-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Shigella stool testing, including stool culture, PCR/GI panels, antimicrobial susceptibility, resistant Shigella, outbreaks, and urgent diarrhea symptoms." }, { "title": "SIBO breath test interpretation | Hydrogen, methane, prep, and accuracy limits", "url": "https://mainstreetbloodlab.com/articles/sibo-breath-test.html", "path": "/articles/sibo-breath-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand SIBO breath testing, including hydrogen and methane breath tests, preparation, symptoms, false positives, IBS overlap, and follow-up questions." }, { "title": "Skin Temperature Wearables | fever, cycle tracking, illness prediction, and limits", "url": "https://mainstreetbloodlab.com/articles/skin-temperature-illness-wearables.html", "path": "/articles/skin-temperature-illness-wearables.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalDevice", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand wearable skin temperature trends, including fever confusion, cycle tracking, illness prediction claims, sleep effects, sensor limits, and when to use a thermometer." }, { "title": "Sleep Tracking Accuracy Guide | Wearables, Sleep Stages, HRV, and Limits", "url": "https://mainstreetbloodlab.com/articles/sleep-tracking-accuracy.html", "path": "/articles/sleep-tracking-accuracy.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand sleep tracker accuracy, wearable sleep stages, heart-rate variability, consumer sleep scores, actigraphy, and when symptoms need medical sleep evaluation." }, { "title": "SMARCA4 Genetic Testing | Rhabdoid Tumor Predisposition, SCCOHT, Family Testing, and Counseling", "url": "https://mainstreetbloodlab.com/articles/smarca4-rhabdoid-tumor-predisposition-genetic-testing.html", "path": "/articles/smarca4-rhabdoid-tumor-predisposition-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand SMARCA4 genetic testing, including rhabdoid tumor predisposition syndrome type 2, SCCOHT, germline versus tumor findings, family testing, and counseling." }, { "title": "Smudge Cells on CBC | Blood Smear, Lymphocytosis, CLL, Flow Cytometry, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/smudge-cells-on-cbc-interpretation.html", "path": "/articles/smudge-cells-on-cbc-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 16, "sectionCount": 10, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to smudge cells on CBC and blood smear reports, including smear artifact, fragile lymphocytes, lymphocytosis, chronic lymphocytic leukemia, monoclonal B-cell lymphocytosis, flow cytometry, CLL workup, symptoms, and follow-up questions." }, { "title": "Sodium and Potassium Blood Test Results | Electrolytes, Kidney, Medications, and Urgency", "url": "https://mainstreetbloodlab.com/articles/sodium-potassium-blood-test-results.html", "path": "/articles/sodium-potassium-blood-test-results.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand sodium and potassium blood test results, including high or low values, electrolyte panels, kidney function, medications, dehydration, symptoms, and repeat testing." }, { "title": "Spherocytes on Blood Smear Interpretation | Hereditary Spherocytosis, Immune Hemolysis, Bilirubin, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/spherocytes-blood-smear-interpretation.html", "path": "/articles/spherocytes-blood-smear-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand spherocytes on blood smear interpretation, including hereditary spherocytosis, autoimmune hemolysis, bilirubin, reticulocytes, MCHC, DAT, and follow-up." }, { "title": "STI Retesting After Treatment | 3-Month Retesting, Test of Cure, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/sti-retesting-after-treatment.html", "path": "/articles/sti-retesting-after-treatment.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A CDC-aligned guide to STI retesting after treatment, including 3-month retesting for chlamydia, gonorrhea, and trichomoniasis, test-of-cure situations, syphilis blood-test follow-up, and when symptoms need care." }, { "title": "STI Symptoms but Negative Test Results | What to Ask Next", "url": "https://mainstreetbloodlab.com/articles/sti-symptoms-negative-results.html", "path": "/articles/sti-symptoms-negative-results.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 10, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A CDC-aligned guide to what negative STI test results can and cannot mean when symptoms continue, including timing, body sites, missing tests, herpes swabs, BV, yeast, UTI, and Mycoplasma genitalium." }, { "title": "STI Symptoms vs Routine Screening | When Testing Is Diagnostic", "url": "https://mainstreetbloodlab.com/articles/sti-symptoms-vs-screening.html", "path": "/articles/sti-symptoms-vs-screening.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A CDC-aligned guide to STI symptoms versus routine screening, including when testing is diagnostic, which symptoms need clinic evaluation, why body site matters, and why a routine panel may not be enough." }, { "title": "STI Testing After Anal Sex | Rectal Swabs, HIV Timing, and Symptoms", "url": "https://mainstreetbloodlab.com/articles/sti-testing-after-anal-sex.html", "path": "/articles/sti-testing-after-anal-sex.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A CDC-aligned guide to STI testing after anal sex, including rectal swabs, urine test limits, HIV PEP and PrEP timing, rectal symptoms, syphilis and hepatitis blood tests, and follow-up questions." }, { "title": "STI Testing After Dry Humping or Genital Rubbing | Risk, Symptoms, and What to Ask", "url": "https://mainstreetbloodlab.com/articles/sti-testing-after-dry-humping-genital-rubbing.html", "path": "/articles/sti-testing-after-dry-humping-genital-rubbing.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 15, "sectionCount": 11, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A CDC-aligned guide to STI testing after dry humping, grinding, outercourse, or genital rubbing, including clothing, skin-to-skin STIs, HIV anxiety, pregnancy concerns, symptoms, and when testing matters." }, { "title": "STI Testing After Ejaculation Outside the Body | Semen on Skin, Vulva, Clothes, or Surfaces", "url": "https://mainstreetbloodlab.com/articles/sti-testing-after-ejaculation-outside-body.html", "path": "/articles/sti-testing-after-ejaculation-outside-body.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; 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not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand C. difficile repeat testing questions, including when retesting helps, when test-of-cure does not, toxin and PCR limits, recurrence, and symptom-based follow-up." }, { "title": "Stool PCR C. difficile Toxin Gene Positive Interpretation | NAAT, Colonization, Symptoms, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-c-difficile-toxin-gene-positive-interpretation.html", "path": "/articles/stool-pcr-c-difficile-toxin-gene-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR C. difficile toxin gene positive interpretation, including NAAT, colonization, toxin testing, diarrhea symptoms, and follow-up questions." }, { "title": "C. difficile Toxin Negative but NAAT Positive | What the Pattern Means", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-c-difficile-toxin-negative-naat-positive.html", "path": "/articles/stool-pcr-c-difficile-toxin-negative-naat-positive.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand C. difficile toxin negative but NAAT positive results, including colonization, toxin testing, PCR limits, diarrhea fit, and follow-up questions." }, { "title": "Stool PCR Campylobacter Positive Interpretation | Diarrhea, CIDT, Reflex Culture, Antibiotic Susceptibility, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-campylobacter-positive-interpretation.html", "path": "/articles/stool-pcr-campylobacter-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR Campylobacter positive interpretation, including diarrhea, culture-independent tests, reflex culture, susceptibility testing, public health, and follow-up." }, { "title": "Stool PCR Co-Detection Interpretation | Multiple Pathogens, GI Panels, Colonization, Severity, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-co-detection-interpretation.html", "path": "/articles/stool-pcr-co-detection-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR co-detection interpretation, including multiple pathogens on GI panels, colonization, shedding, clinical correlation, public health, and follow-up questions." }, { "title": "Stool PCR Cryptosporidium Positive Interpretation | Crypto, Water Exposure, Immune Risk, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-cryptosporidium-positive-interpretation.html", "path": "/articles/stool-pcr-cryptosporidium-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR Cryptosporidium positive interpretation, including cryptosporidiosis, watery diarrhea, water exposure, immune risk, co-detections, and follow-up." }, { "title": "Stool PCR Cyclospora Positive Interpretation | Cyclosporiasis, Produce Exposure, Relapsing Diarrhea, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-cyclospora-positive-interpretation.html", "path": "/articles/stool-pcr-cyclospora-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR Cyclospora positive interpretation, including cyclosporiasis, relapsing watery diarrhea, produce exposure, travel, public health, and follow-up." }, { "title": "Stool PCR E. coli Co-Detection Questions | EPEC, EAEC, ETEC, Shigella, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-e-coli-co-detection-questions.html", "path": "/articles/stool-pcr-e-coli-co-detection-questions.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR E. coli co-detection questions, including EPEC, EAEC, ETEC, EIEC/Shigella, symptoms, travel, and follow-up interpretation." }, { "title": "Stool PCR E. coli Pathotype Interpretation | ETEC, EPEC, EAEC, STEC, EIEC, Travel Diarrhea, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-e-coli-pathotype-interpretation.html", "path": "/articles/stool-pcr-e-coli-pathotype-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR E. coli pathotype interpretation, including ETEC, EPEC, EAEC, STEC, EIEC, travel diarrhea, co-detection, colonization, and follow-up questions." }, { "title": "Stool PCR Entamoeba Histolytica Positive Interpretation | Amebiasis, Travel, Dysentery, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-entamoeba-histolytica-positive-interpretation.html", "path": "/articles/stool-pcr-entamoeba-histolytica-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR Entamoeba histolytica positive interpretation, including amebiasis, travel, dysentery, species specificity, liver abscess context, and follow-up." }, { "title": "Stool PCR Enteroaggregative E. coli Positive Interpretation | EAEC, Diarrhea, Co-Detections, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-enteroaggregative-e-coli-positive-interpretation.html", "path": "/articles/stool-pcr-enteroaggregative-e-coli-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR enteroaggregative E. coli positive interpretation, including EAEC, persistent diarrhea, travel, co-detections, and follow-up questions." }, { "title": "Stool PCR Enteroinvasive E. coli/Shigella Positive Interpretation | EIEC, Shigella, Dysentery, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-enteroinvasive-e-coli-shigella-positive-interpretation.html", "path": "/articles/stool-pcr-enteroinvasive-e-coli-shigella-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR enteroinvasive E. coli/Shigella positive interpretation, including EIEC, Shigella, diarrhea, dysentery, co-detections, and follow-up questions." }, { "title": "Stool PCR Enteropathogenic E. coli Positive Interpretation | EPEC, Diarrhea, Co-Detections, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-enteropathogenic-e-coli-positive-interpretation.html", "path": "/articles/stool-pcr-enteropathogenic-e-coli-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR enteropathogenic E. coli positive interpretation, including EPEC, diarrhea, children, travel, co-detections, and follow-up questions." }, { "title": "Stool PCR Enterotoxigenic E. coli Positive Interpretation | ETEC, Travel Diarrhea, Co-Detections, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-enterotoxigenic-e-coli-positive-interpretation.html", "path": "/articles/stool-pcr-enterotoxigenic-e-coli-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR enterotoxigenic E. coli positive interpretation, including ETEC, traveler" }, { "title": "Stool PCR Giardia Positive Interpretation | Giardiasis, Water Exposure, Retesting, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-giardia-positive-interpretation.html", "path": "/articles/stool-pcr-giardia-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR Giardia positive interpretation, including giardiasis, water exposure, retesting, symptoms, co-detections, and follow-up." }, { "title": "Stool PCR Negative With Persistent Diarrhea | GI Panel Limits, Noninfectious Causes, Repeat Testing, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-negative-with-persistent-diarrhea.html", "path": "/articles/stool-pcr-negative-with-persistent-diarrhea.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR negative with persistent diarrhea, including GI panel limits, organisms not covered, timing, noninfectious causes, repeat testing, and follow-up questions." }, { "title": "Stool PCR Norovirus Positive Interpretation | Shedding, Outbreaks, GI Panels, Symptoms, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-norovirus-positive-interpretation.html", "path": "/articles/stool-pcr-norovirus-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR norovirus positive interpretation, including viral shedding, outbreaks, GI panels, symptoms, timing, dehydration risk, public health, and follow-up questions." }, { "title": "Stool PCR Parasite Panel False Negative Questions | Why a Negative Can Still Miss Parasites", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-parasite-panel-false-negative-questions.html", "path": "/articles/stool-pcr-parasite-panel-false-negative-questions.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR parasite panel false negative questions, including panel coverage, specimen timing, O&P limits, targeted follow-up, and when to ask for different testing." }, { "title": "Stool PCR Plesiomonas Positive Interpretation | CIDT, Culture, Travel, Water Exposure, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-plesiomonas-positive-interpretation.html", "path": "/articles/stool-pcr-plesiomonas-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR Plesiomonas positive interpretation, including CIDT, stool culture, travel or water exposure, symptoms, co-detections, and follow-up." }, { "title": "Stool PCR Positive After Symptoms Resolve | Shedding, Colonization, Test-of-Cure Limits, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-positive-after-symptoms-resolve.html", "path": "/articles/stool-pcr-positive-after-symptoms-resolve.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand what a stool PCR positive after symptoms resolve can mean, including shedding, colonization, C. diff context, repeat testing limits, GI pathogen panels, and follow-up questions." }, { "title": "Stool PCR Post-Infectious IBS Questions | Persistent Diarrhea, Negative Panels, Red Flags, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-post-infectious-ibs-questions.html", "path": "/articles/stool-pcr-post-infectious-ibs-questions.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR post-infectious IBS questions, including persistent diarrhea after infection, negative panels, shedding, red flags, and follow-up testing." }, { "title": "Stool PCR Rotavirus Positive Interpretation | Viral Gastroenteritis, Vaccination, GI Panels, Shedding, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-rotavirus-positive-interpretation.html", "path": "/articles/stool-pcr-rotavirus-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR rotavirus positive interpretation, including viral gastroenteritis, vaccination context, GI panels, shedding, dehydration risk, and follow-up." }, { "title": "Stool PCR Salmonella Positive Interpretation | CIDT, Reflex Culture, Susceptibility, Shedding, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-salmonella-positive-interpretation.html", "path": "/articles/stool-pcr-salmonella-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR Salmonella positive interpretation, including culture-independent tests, reflex culture, susceptibility testing, shedding, public health, and follow-up." }, { "title": "Stool PCR Sapovirus Positive Interpretation | Viral Gastroenteritis, Outbreaks, GI Panels, Shedding, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-sapovirus-positive-interpretation.html", "path": "/articles/stool-pcr-sapovirus-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR sapovirus positive interpretation, including viral gastroenteritis, outbreaks, GI panels, shedding, co-detection, dehydration risk, and follow-up questions." }, { "title": "Stool PCR Shigella Positive Interpretation | CIDT, Reflex Culture, EIEC, Antibiotic Resistance, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-shigella-positive-interpretation.html", "path": "/articles/stool-pcr-shigella-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR Shigella positive interpretation, including CIDT, reflex culture, EIEC overlap, antibiotic resistance, public health, and follow-up." }, { "title": "Stool PCR STEC Positive Interpretation | Shiga Toxin, E. coli O157, HUS Risk, Culture, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-stec-positive-interpretation.html", "path": "/articles/stool-pcr-stec-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR STEC positive interpretation, including Shiga toxin-producing E. coli, O157, HUS risk, culture, antibiotics, public health, and follow-up." }, { "title": "Stool PCR Travel Diarrhea Co-Detection Questions | ETEC, EAEC, Giardia, Viruses, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-travel-diarrhea-co-detection-questions.html", "path": "/articles/stool-pcr-travel-diarrhea-co-detection-questions.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR travel diarrhea co-detection questions, including ETEC, EAEC, Giardia, viruses, parasites, symptoms, and follow-up interpretation." }, { "title": "Stool PCR Vibrio Positive Interpretation | CIDT, Culture, Seafood, Vibriosis, V. vulnificus, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-vibrio-positive-interpretation.html", "path": "/articles/stool-pcr-vibrio-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR Vibrio positive interpretation, including CIDT, culture confirmation, seafood exposure, vibriosis, V. vulnificus risk, and follow-up." }, { "title": "Stool PCR Yersinia Positive Interpretation | CIDT, Culture, Y. enterocolitica, Iron Risk, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/stool-pcr-yersinia-positive-interpretation.html", "path": "/articles/stool-pcr-yersinia-positive-interpretation.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool PCR Yersinia positive interpretation, including CIDT, culture, Y. enterocolitica, iron risk, pseudoappendicitis, and follow-up." }, { "title": "Stool pH and Reducing Substances Test | Carbohydrate Malabsorption and Limits", "url": "https://mainstreetbloodlab.com/articles/stool-ph-reducing-substances-test.html", "path": "/articles/stool-ph-reducing-substances-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool pH and reducing substances testing, including carbohydrate malabsorption, infant diarrhea, lactose intolerance clues, false results, and limitations." }, { "title": "Stool Test vs Microbiome Test | Diagnosis, Gut Reports, and Consumer Limits", "url": "https://mainstreetbloodlab.com/articles/stool-test-vs-microbiome-test.html", "path": "/articles/stool-test-vs-microbiome-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 9, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Compare medical stool tests with consumer microbiome tests, including pathogens, inflammation, blood, gut diversity scores, sample limits, and when symptoms need care." }, { "title": "Stool WBC Test | Fecal Leukocytes, Inflammatory Diarrhea, and Limits", "url": "https://mainstreetbloodlab.com/articles/stool-wbc-test-inflammatory-diarrhea.html", "path": "/articles/stool-wbc-test-inflammatory-diarrhea.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand stool WBC testing, including fecal leukocytes, inflammatory diarrhea, blood or mucus in stool, infection, calprotectin, and test limitations." }, { "title": "Strongyloides Antibody vs Stool Test | Serology, Larvae, Eosinophils, and Steroid Risk", "url": "https://mainstreetbloodlab.com/articles/strongyloides-antibody-vs-stool-test.html", "path": "/articles/strongyloides-antibody-vs-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Strongyloides antibody versus stool testing, including serology, stool larvae exams, eosinophilia, travel exposure, immunosuppression, steroid risk, and follow-up questions." }, { "title": "Strongyloides Treatment Follow-Up Testing | Stool Exams, Serology, Ivermectin, Persistent Symptoms, and Immunosuppression", "url": "https://mainstreetbloodlab.com/articles/strongyloides-treatment-follow-up-testing.html", "path": "/articles/strongyloides-treatment-follow-up-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Strongyloides treatment follow-up testing, including stool exams after treatment, serology trends, ivermectin context, persistent symptoms, and immunosuppression risk." }, { "title": "Syphilis Testing Guide | RPR, VDRL, Treponemal Tests, Titers, Pregnancy, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/syphilis-testing-guide.html", "path": "/articles/syphilis-testing-guide.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 9, "sectionCount": 10, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand syphilis testing, including RPR, VDRL, treponemal tests, reverse sequence screening, titers, false positives, pregnancy testing, neurologic symptoms, and follow-up." }, { "title": "Taenia Tapeworm Stool Test | Eggs, Proglottids, Pork and Beef Exposure, and Species Limits", "url": "https://mainstreetbloodlab.com/articles/taenia-tapeworm-stool-test.html", "path": "/articles/taenia-tapeworm-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Taenia tapeworm stool testing, including eggs, proglottids, ova and parasite exams, pork and beef exposure, repeat stool samples, and species limits." }, { "title": "Target Cells on Blood Smear Interpretation | Codocytes, Liver Disease, Thalassemia, Iron Deficiency, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/target-cells-blood-smear-interpretation.html", "path": "/articles/target-cells-blood-smear-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 9, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand target cells on blood smear interpretation, including codocytes, liver disease, thalassemia, iron deficiency, hemoglobin disorders, spleen context, and follow-up." }, { "title": "Teardrop Cells on Blood Smear Interpretation | Dacrocytes, Myelofibrosis, Marrow Infiltration, Anemia, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/teardrop-cells-blood-smear-interpretation.html", "path": "/articles/teardrop-cells-blood-smear-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 9, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand teardrop cells on blood smear interpretation, including dacrocytes, myelofibrosis, marrow infiltration, anemia, leukoerythroblastic patterns, and follow-up questions." }, { "title": "Telomere biology disorder genetic testing | Dyskeratosis congenita, short telomeres, marrow failure, pulmonary fibrosis, and family screening", "url": "https://mainstreetbloodlab.com/articles/telomere-biology-disorder-genetic-testing.html", "path": "/articles/telomere-biology-disorder-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand telomere biology disorder genetic testing, including dyskeratosis congenita, short telomeres, bone marrow failure, pulmonary fibrosis, gene panels, and family screening." }, { "title": "Testosterone Levels Test | Low T, Total vs Free, Morning Timing, SHBG, and Repeat Testing", "url": "https://mainstreetbloodlab.com/articles/testosterone-levels-test.html", "path": "/articles/testosterone-levels-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-29", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand testosterone blood testing, including total and free testosterone, morning timing, low T symptoms, SHBG, LH/FSH follow-up, treatment limits, and repeat testing." }, { "title": "Thrombin Time and Reptilase Time Testing | Heparin, Fibrinogen, Dysfibrinogenemia, and Prolonged Clotting", "url": "https://mainstreetbloodlab.com/articles/thrombin-time-reptilase-time-testing.html", "path": "/articles/thrombin-time-reptilase-time-testing.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand thrombin time and reptilase time testing, including heparin contamination, fibrinogen deficiency, dysfibrinogenemia, clot formation, prolonged results, and follow-up tests." }, { "title": "Thromboelastography and ROTEM Testing | Viscoelastic Hemostasis, Clot Strength, and Fibrinolysis", "url": "https://mainstreetbloodlab.com/articles/thromboelastography-rotem-testing.html", "path": "/articles/thromboelastography-rotem-testing.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand thromboelastography and ROTEM testing, including clot initiation, clot strength, fibrinolysis, trauma, surgery, and how results guide transfusion decisions." }, { "title": "TMEM127 Genetic Testing | Pheochromocytoma, Cluster 2, Family Follow-Up, and Surveillance", "url": "https://mainstreetbloodlab.com/articles/tmem127-pheochromocytoma-genetic-testing.html", "path": "/articles/tmem127-pheochromocytoma-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-06-01", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand TMEM127 genetic testing, including cluster 2 PPGL biology, pheochromocytoma, tumor-vs-germline interpretation, metanephrines, surveillance, and family follow-up." }, { "title": "Total protein, globulin, and A/G ratio interpretation | Liver, kidney, immune, and inflammation context", "url": "https://mainstreetbloodlab.com/articles/total-protein-globulin-ag-ratio-test.html", "path": "/articles/total-protein-globulin-ag-ratio-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand total protein, globulin, and albumin/globulin ratio blood test results, including low or high protein, liver, kidney, immune, inflammation, dehydration, and follow-up tests." }, { "title": "Toxic Granulation on Blood Smear | Infection, Inflammation, Neutrophils, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/toxic-granulation-blood-smear-interpretation.html", "path": "/articles/toxic-granulation-blood-smear-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 16, "sectionCount": 11, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Plain-English guide to toxic granulation on blood smear reports, including neutrophil toxic changes, Dohle bodies, vacuoles, left shift, infection, inflammation, sepsis context, G-CSF, chemotherapy, and follow-up questions." }, { "title": "Toxocara Antibody Testing | Visceral Larva Migrans, Ocular Toxocariasis, Eosinophils, and Exposure", "url": "https://mainstreetbloodlab.com/articles/toxocara-antibody-testing.html", "path": "/articles/toxocara-antibody-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Toxocara antibody testing, including visceral larva migrans, ocular toxocariasis, eosinophils, dog and cat exposure, stool-test limits, and CDC context." }, { "title": "TP53 Testing in Blood Cancer Workups | AML, MDS, Tumor Sequencing, Germline Risk, and Li-Fraumeni", "url": "https://mainstreetbloodlab.com/articles/tp53-testing-blood-cancer-workups.html", "path": "/articles/tp53-testing-blood-cancer-workups.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand TP53 testing in blood cancer workups, including AML, MDS, tumor sequencing, germline versus somatic variants, Li-Fraumeni syndrome, and family implications." }, { "title": "Trichomoniasis Testing | Why Trich May Be Missing From STI Panels", "url": "https://mainstreetbloodlab.com/articles/trichomoniasis-testing.html", "path": "/articles/trichomoniasis-testing.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A CDC-aligned guide to trichomoniasis testing, including symptoms, NAATs, wet mount limits, pregnancy and HIV considerations, retesting, and why trich may not be in every STI panel." }, { "title": "Trichuris Stool Test | Whipworm Eggs, Diarrhea, Anemia, Soil Exposure, and Repeat Specimens", "url": "https://mainstreetbloodlab.com/articles/trichuris-stool-test.html", "path": "/articles/trichuris-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Trichuris stool testing, including whipworm eggs, ova and parasite exams, diarrhea, anemia, soil exposure, repeat stool specimens, and follow-up questions." }, { "title": "Troponin Blood Test Guide | High Troponin, Heart Attack, High-Sensitivity Results", "url": "https://mainstreetbloodlab.com/articles/troponin-blood-test.html", "path": "/articles/troponin-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 10, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand high troponin, heart attack evaluation, chest pain, serial troponin testing, ECG context, high-sensitivity assays, kidney disease, myocarditis, and urgent symptoms." }, { "title": "Trypanosoma brucei testing | African sleeping sickness, travel exposure, and CSF", "url": "https://mainstreetbloodlab.com/articles/trypanosoma-brucei-testing.html", "path": "/articles/trypanosoma-brucei-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Trypanosoma brucei testing for African sleeping sickness, including blood smear, lymph node aspirate, cerebrospinal fluid, travel exposure, and CDC consultation." }, { "title": "TSC1/TSC2 genetic testing | tuberous sclerosis, mosaicism, and family follow-up", "url": "https://mainstreetbloodlab.com/articles/tsc1-tsc2-tuberous-sclerosis-genetic-testing.html", "path": "/articles/tsc1-tsc2-tuberous-sclerosis-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 10, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand TSC1/TSC2 genetic testing for tuberous sclerosis complex, including diagnosis, mosaicism, kidney and brain surveillance, and family testing." }, { "title": "TSH Thyroid Blood Test Guide | High, Low, Free T4, T3, Antibodies, and Biotin", "url": "https://mainstreetbloodlab.com/articles/tsh-thyroid-blood-test.html", "path": "/articles/tsh-thyroid-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand the TSH thyroid blood test, including high and low TSH, free T4, T3, thyroid antibodies, biotin interference, screening limits, symptoms, and follow-up questions." }, { "title": "Tumor Genomic Testing vs Inherited Genetic Testing | Somatic, Germline, Biomarkers, and Family Risk", "url": "https://mainstreetbloodlab.com/articles/tumor-genomic-testing-vs-inherited-genetic-testing.html", "path": "/articles/tumor-genomic-testing-vs-inherited-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-29", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 10, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Compare tumor genomic testing and inherited genetic testing, including somatic versus germline variants, biomarker testing, cancer treatment decisions, family risk, and what to ask next." }, { "title": "Urinalysis Test Guide | Dipstick, Microscopy, UTI, Kidney, Glucose, Protein, Blood, and Ketones", "url": "https://mainstreetbloodlab.com/articles/urinalysis-test.html", "path": "/articles/urinalysis-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 15, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Learn urinalysis results, including dipstick, microscopy, leukocyte esterase, nitrites, blood, protein, glucose, ketones, UTI clues, kidney follow-up, and sample quality." }, { "title": "Urine Albumin-to-Creatinine Ratio (UACR) | Albuminuria, Kidney Disease, Diabetes, and Repeat Testing", "url": "https://mainstreetbloodlab.com/articles/urine-albumin-creatinine-ratio-uacr.html", "path": "/articles/urine-albumin-creatinine-ratio-uacr.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand UACR testing, albuminuria, kidney disease risk, diabetes, blood pressure, repeat testing, eGFR, and what can temporarily change the result." }, { "title": "Urine culture test | bacteria, contamination, sensitivity, and follow-up", "url": "https://mainstreetbloodlab.com/articles/urine-culture-test.html", "path": "/articles/urine-culture-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand urine culture testing for UTIs, including clean-catch collection, bacteria growth, colony counts, antibiotic susceptibility, contamination, pregnancy, and follow-up questions." }, { "title": "Urine Protein-to-Creatinine Ratio | UPCR, Proteinuria, Kidney Disease, and UACR", "url": "https://mainstreetbloodlab.com/articles/urine-protein-creatinine-ratio.html", "path": "/articles/urine-protein-creatinine-ratio.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand urine protein-to-creatinine ratio testing, including UPCR, proteinuria, kidney disease monitoring, 24-hour urine comparison, UACR differences, and limits." }, { "title": "UTI Test vs STI Test | Urinalysis, Urine Culture, and STI NAATs", "url": "https://mainstreetbloodlab.com/articles/uti-test-vs-sti-test.html", "path": "/articles/uti-test-vs-sti-test.html", "contentGroup": "guide", "topic": "sti", "topicName": "STI and STD testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 9, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "A source-aware guide to UTI testing versus STI testing, including urinalysis, urine culture, STI urine NAATs, overlapping urinary symptoms, and what to ask before relying on a urine test." }, { "title": "Vaginal Microbiome Testing | BV, Yeast, STI Panels, and Consumer Reports", "url": "https://mainstreetbloodlab.com/articles/vaginal-microbiome-testing.html", "path": "/articles/vaginal-microbiome-testing.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Learn how vaginal microbiome testing differs from BV, yeast, and STI testing, including symptoms, NAAT panels, pregnancy questions, and consumer report limits." }, { "title": "VHL Genetic Testing | Hemangioblastomas, Kidney Cancer, Pheochromocytoma, and Family Screening", "url": "https://mainstreetbloodlab.com/articles/vhl-genetic-testing.html", "path": "/articles/vhl-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand VHL genetic testing, including hemangioblastomas, kidney cancer, pheochromocytoma, pancreatic lesions, deletion testing, tumor-only caveats, and family screening." }, { "title": "VHL vs SDHx paraganglioma genetic testing", "url": "https://mainstreetbloodlab.com/articles/vhl-vs-sdhx-paraganglioma-genetic-testing.html", "path": "/articles/vhl-vs-sdhx-paraganglioma-genetic-testing.html", "contentGroup": "guide", "topic": "genetics", "topicName": "Genetics", "datePublished": "2026-05-31", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Compare VHL and SDHx paraganglioma genetic testing, including tumor patterns, kidney and CNS clues, family testing, surveillance, and when a negative result does not settle the question." }, { "title": "Vibrio Stool Test | Seafood Exposure, Culture, PCR, and Severe Risk", "url": "https://mainstreetbloodlab.com/articles/vibrio-stool-test.html", "path": "/articles/vibrio-stool-test.html", "contentGroup": "guide", "topic": "microbiome", "topicName": "Microbiome and stool testing", "datePublished": "2026-05-30", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand Vibrio stool testing, including seafood exposure, stool culture, PCR/CIDT, TCBS agar, Vibrio vulnificus risk, wound infection, and public health follow-up." }, { "title": "Vitamin B12 and Folate Blood Test | Deficiency, Anemia, and Results", "url": "https://mainstreetbloodlab.com/articles/vitamin-b12-folate-test.html", "path": "/articles/vitamin-b12-folate-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand vitamin B12 and folate blood testing, deficiency patterns, anemia, symptoms, homocysteine and methylmalonic acid, supplementation caveats, and result interpretation." }, { "title": "Vitamin D Blood Test Guide | 25(OH)D, Deficiency, Toxicity, Supplements, and Screening Limits", "url": "https://mainstreetbloodlab.com/articles/vitamin-d-blood-test.html", "path": "/articles/vitamin-d-blood-test.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand vitamin D blood testing, including 25(OH)D, 1,25-dihydroxyvitamin D, deficiency risk, toxicity, supplements, calcium, kidney/PTH context, and screening limits." }, { "title": "VO2 Max and Fitness Estimates | Wearables, Cardiorespiratory Fitness, and Lab Testing", "url": "https://mainstreetbloodlab.com/articles/vo2-max-fitness-estimates.html", "path": "/articles/vo2-max-fitness-estimates.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "BreadcrumbList", "ListItem", "FAQPage", "Question", "Answer" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand VO2 max estimates from wearables, how they differ from lab testing, what affects accuracy, and how to use trends wisely." }, { "title": "von Willebrand Factor Testing | VWD, Bleeding, Platelet Function, Factor VIII, and Repeat Testing", "url": "https://mainstreetbloodlab.com/articles/von-willebrand-factor-testing.html", "path": "/articles/von-willebrand-factor-testing.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "", "editorialReviewStatus": "Site-level editorial boundaries apply; no independent clinician review is claimed.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand von Willebrand factor testing, including von Willebrand disease, bleeding symptoms, VWF antigen, activity, factor VIII, platelet function, and repeat testing." }, { "title": "Wearable Glucose Monitoring Claims | Smartwatches, Rings, CGM, FDA Warnings, and Limits", "url": "https://mainstreetbloodlab.com/articles/wearable-glucose-monitoring-claims.html", "path": "/articles/wearable-glucose-monitoring-claims.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalDevice", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Evaluate wearable glucose monitoring claims, including smartwatch and ring claims, CGM displays, FDA warnings, diabetes safety, and what a real sensor actually does." }, { "title": "Wearable Heart Rate Variability Guide | HRV trends, recovery scores, and limits", "url": "https://mainstreetbloodlab.com/articles/wearable-heart-rate-variability.html", "path": "/articles/wearable-heart-rate-variability.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand wearable heart rate variability, HRV recovery scores, autonomic context, sleep and illness effects, device differences, and what HRV cannot diagnose." }, { "title": "Wearable Hydration and Sweat Testing | Sweat Rate, Electrolytes, CF Sweat Chloride, and Accuracy Limits", "url": "https://mainstreetbloodlab.com/articles/wearable-hydration-sweat-testing.html", "path": "/articles/wearable-hydration-sweat-testing.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalDevice", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Understand wearable hydration and sweat testing claims, including sweat rate, sweat sodium, electrolyte estimates, athlete use, heat exposure, cystic fibrosis sweat chloride testing, and accuracy limits." }, { "title": "Wearable Oxygen Saturation and Respiratory Rate | Pulse Ox, Skin Tone, and Accuracy", "url": "https://mainstreetbloodlab.com/articles/wearable-oxygen-saturation-respiratory-rate.html", "path": "/articles/wearable-oxygen-saturation-respiratory-rate.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalDevice", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 7, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Evaluate wearable oxygen saturation and respiratory rate data, including pulse oximeter limits, skin pigmentation, motion, sleep tracking, low SpO2 alerts, and when to seek care." }, { "title": "Wearable Stress Scores | HRV, heart rate, EDA, cortisol, and accuracy limits", "url": "https://mainstreetbloodlab.com/articles/wearable-stress-scores.html", "path": "/articles/wearable-stress-scores.html", "contentGroup": "guide", "topic": "biomarkers", "topicName": "Emerging biometrics", "datePublished": "2026-05-29", "dateModified": "2026-05-31", "schemaTypes": [ "MedicalWebPage", "MedicalDevice", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 8, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; not medical advice, diagnosis, treatment, personal result interpretation, or a substitute for qualified care.", "description": "Evaluate wearable stress scores, including HRV, heart rate, electrodermal activity, respiratory rate, cortisol confusion, trend use, anxiety, and accuracy limits." }, { "title": "High White Blood Cell Count | Leukocytosis, Neutrophils, Lymphocytes, Infection, Stress, and Follow-Up", "url": "https://mainstreetbloodlab.com/articles/white-blood-cell-count-high-interpretation.html", "path": "/articles/white-blood-cell-count-high-interpretation.html", "contentGroup": "guide", "topic": "blood", "topicName": "Blood tests", "datePublished": "2026-05-30", "dateModified": "2026-05-30", "schemaTypes": [ "MedicalWebPage", "MedicalTest", "Organization", "WebPage", "CreativeWork", "WebPageElement", "FAQPage", "Question", "Answer", "BreadcrumbList", "ListItem" ], "sourceCount": 7, "sectionCount": 9, "reviewedByName": "Lab Intel editorial review", "editorialReviewStatus": "Page schema identifies Lab Intel editorial review.", "independentClinicianReviewClaimed": false, "medicalBoundary": "Educational only; 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