Short answer
Chlamydia and gonorrhea are commonly tested with NAATs, or nucleic acid amplification tests, using urine or swab samples. Testing may be recommended even without symptoms because infections can be silent, and the right sample site matters when exposure involved the throat, rectum, vagina, cervix, or urethra.
A chlamydia or gonorrhea urine NAAT is not the same as a routine UTI urinalysis or urine culture. If you were told your "urine test" was normal, ask whether it included chlamydia and gonorrhea by name. A pelvic exam also does not automatically mean chlamydia or gonorrhea testing was sent.
What the test usually is
CDC describes NAATs as sensitive tests for chlamydia and gonorrhea when used with approved specimen types. They look for genetic material from Chlamydia trachomatis or Neisseria gonorrhoeae. Many clinics use combination NAAT panels that test the same urine or swab specimen for both infections.
NAAT testing is different from looking at urine under a microscope, checking urine dipstick markers, or growing bacteria in a urine culture. Those tests can help with urinary tract questions, but they do not automatically answer whether chlamydia or gonorrhea was present.
Sample types and body sites
| Sample | When it may be used | What to ask |
|---|---|---|
| First-catch urine | Often used for urethral infection testing. | Ask whether the urine was first-catch and whether it was ordered as a chlamydia/gonorrhea NAAT. |
| Vaginal or cervical swab | Often used for vaginal or cervical exposure and screening. | Ask whether self-collected vaginal swabs are available and validated for the lab's test. |
| Urethral swab | May be used when symptoms or clinical evaluation point to urethral infection. | Ask whether urine or swab testing is preferred in your setting. |
| Rectal swab | May be relevant after receptive anal exposure or rectal symptoms. | Ask whether rectal testing is included, because urine may miss rectal infection. |
| Throat swab | May be relevant after oral exposure, especially for gonorrhea. | Ask whether pharyngeal testing is available, recommended, and included in your result. |
A negative result only applies to the site that was tested. A negative urine test does not automatically rule out throat or rectal infection if those sites were exposed and not swabbed.
Who should be screened
CDC recommends yearly chlamydia and gonorrhea testing for all sexually active women younger than 25. Some women age 25 and older should test yearly based on risk factors such as new or multiple partners or a partner with an STI. Sexually active gay, bisexual, and other men who have sex with men should test at least yearly for syphilis, chlamydia, gonorrhea, and HIV, with more frequent testing for some people.
Pregnancy changes the screening question. CDC screening recommendations include chlamydia and gonorrhea testing for pregnant people under 25 and for older pregnant people with increased risk. Symptoms, a known exposed partner, sexual assault, PrEP use, or local STI patterns can also change timing.
Self-collection and at-home options
Self-collection means you collect a sample, such as a vaginal swab, rectal swab, throat swab, or urine sample, and the sample is tested by a lab. CDC discusses patient-collected vaginal and rectal swabs for NAAT testing in clinical settings when instructions are provided.
At-home options are expanding. FDA authorized an over-the-counter chlamydia and gonorrhea test with at-home sample collection for adults. The FDA announcement describes vaginal swabs or urine specimens, online activation, lab testing, online results, and health care provider follow-up for positive or invalid results. At-home collection still needs the right specimen, right body site, clear follow-up, and access to treatment if positive.
If a result is positive
CDC says chlamydia and gonorrhea can be cured with the right medicine from a health care provider. Follow-up matters because untreated infection can lead to complications, partners may need testing or treatment, and reinfection can happen. CDC guidance also emphasizes retesting around 3 months after treatment because repeat infection is common.
Do not use a result alone to decide treatment for partners or to restart sex. Ask the clinician or clinic how long to avoid sex, whether partners from the relevant period need evaluation or expedited partner therapy where allowed, and whether HIV, syphilis, hepatitis, pregnancy, or other STI testing should be added.
Negative results, symptoms, and retesting
A negative chlamydia or gonorrhea test can be reassuring when the right site was tested and timing fits the question. It is weaker if the exposed site was not tested, if symptoms continue, if the specimen was collected incorrectly, if antibiotics were recently used, or if another condition is causing symptoms.
If burning, discharge, pelvic pain, testicular pain, rectal pain, rectal discharge, bleeding, fever, sores, rash, or eye symptoms continue, a routine negative urine NAAT may not be enough. Follow-up may involve exam, pregnancy testing, urinalysis, urine culture, BV or yeast testing, trichomoniasis testing, Mycoplasma genitalium testing, lesion swabs, or urgent evaluation depending on symptoms.
Questions before testing
- Which infections are included: chlamydia, gonorrhea, or both?
- Which body sites are being tested: urine/urethral, vaginal/cervical, throat, rectal, or another site?
- Was the urine sample first-catch urine, and was it ordered as a NAAT?
- Does my exposure history suggest throat or rectal swabs?
- If I have symptoms, do I need exam-based testing or testing for other causes?
- How will treatment, partner follow-up, and retesting work if the result is positive?
- Should I also test for HIV, syphilis, hepatitis, pregnancy, trichomoniasis, or other STIs?
FAQ
Can chlamydia and gonorrhea have no symptoms?
Yes. CDC notes that asymptomatic infection is common, so screening may be recommended based on age, anatomy, partners, pregnancy, exposure site, and risk factors rather than symptoms alone.
Is a urine test enough for chlamydia and gonorrhea?
Sometimes. Urine can be used for some urogenital testing, especially first-catch urine, but it does not test throat or rectal sites. Vaginal, cervical, urethral, throat, or rectal swabs may be needed depending on anatomy and exposure.
What is a NAAT test for chlamydia and gonorrhea?
NAAT stands for nucleic acid amplification test. CDC describes NAATs as sensitive tests for detecting chlamydia and gonorrhea from approved specimen types such as urine or swabs.
Do throat or rectal exposures need different STI testing?
They can. Chlamydia or gonorrhea at the throat or rectum may be missed if only urine or genital testing is done. Ask whether pharyngeal or rectal NAAT testing is appropriate for the sites that were exposed.
Can chlamydia and gonorrhea be tested with self-collected samples?
Yes in some settings. CDC discusses patient-collected vaginal and rectal swabs for NAAT testing, and FDA has authorized an over-the-counter chlamydia and gonorrhea test with at-home sample collection for adults.
What happens after a positive chlamydia or gonorrhea test?
CDC says chlamydia and gonorrhea can be cured with the right medicine from a health care provider. Follow-up often includes treatment, partner steps, avoiding sex until treatment guidance is complete, and retesting around 3 months after treatment because reinfection is common.