How Long Do STD Results Take
How long do STD results take depends on the type of test and where it is processed. Rapid HIV tests can give results in about 20 minutes, while most lab-based tests for chlamydia, gonorrhea, syphilis, and hepatitis take one to three days. Some tests, such as confirmatory tests or certain panels, can take up to a week or more. The exact timeline also depends on the lab, the clinic, and how you receive your results. Understanding these timelines helps you know what to expect and when to follow up.
Rapid Tests
Rapid tests give results during your visit. Rapid HIV tests use a small blood sample or an oral swab and return results in about 20 to 30 minutes. Some clinics also offer rapid syphilis tests. These tests are convenient, but a positive rapid result usually needs a confirmatory lab test to be certain.
Rapid tests are most common at urgent care centers, community clinics, and some public health programs. If you get a rapid test, ask the provider how you will be notified and whether a confirmatory test is needed.
Lab-Based Tests
Most STD tests are processed at a laboratory. Chlamydia and gonorrhea tests, which use a urine sample or swab, typically return results in one to three days. Syphilis and hepatitis tests, which use a blood sample, usually take one to three days as well. HIV lab tests, including fourth-generation tests, often return results in one to two days.
Results may take longer if the lab is busy or if a sample needs to be retested. Some clinics wait for several tests to be ready before releasing results together.
Confirmatory and Follow-Up Tests
If a screening test is positive, a confirmatory test is often needed. For example, a positive HIV screening test is followed by a confirmatory test, which can add a few days to the timeline. Confirmatory tests are important because they rule out false positives.
If you test positive for a bacterial infection like chlamydia or gonorrhea, your provider may recommend a test of cure after treatment to confirm the infection is gone. This follow-up test is usually done a few weeks after treatment.
How You Receive Results
Results are delivered in different ways depending on the provider. Some clinics call you, some use a secure online patient portal, and some mail results. At-home test kits and online lab services usually post results to a secure online account.
If you are waiting for results, try not to assume the worst. Many delays are simply due to lab processing times, and a longer wait does not mean a positive result. If you have questions while you wait, most clinics are happy to give you an update.
If you have not received your results within the expected time, contact the clinic or lab. Do not assume a delay means a positive result. Many delays are simply due to lab processing times.
Frequently Asked Questions
How fast do rapid STD tests give results?
Rapid HIV tests give results in about 20 to 30 minutes using a small blood sample or oral swab. Some clinics also offer rapid syphilis tests. A positive rapid result usually needs a confirmatory lab test to be certain. Ask the provider how you will be notified and whether a confirmatory test is needed.
How long do chlamydia and gonorrhea results take?
Chlamydia and gonorrhea tests, which use a urine sample or swab, typically return results in one to three days. The exact time depends on the lab and how the clinic delivers results. If you have not received your results within the expected time, contact the clinic or lab for an update.
Why are my STD results taking longer than expected?
Results can take longer if the lab is busy, if a sample needs retesting, or if a confirmatory test is needed after a positive screening. Contact the clinic if you have not received results within the expected time. Contact the clinic or lab if you have not received results within the expected time.
Do I need a follow-up test after a positive result?
Often yes. A positive screening test may need a confirmatory test to rule out a false positive. After treatment for a bacterial infection, a test of cure may be recommended a few weeks later to confirm the infection is gone. Your provider will explain when and if a follow-up test is needed based on your situation.
Sources
- CDC. HIV Testing. https://www.cdc.gov/hiv/testing/index.html
- MedlinePlus. Sexually Transmitted Infections (STIs). https://medlineplus.gov/sexuallytransmittedinfections.html
- Mayo Clinic. Sexually Transmitted Diseases (STDs). https://www.mayoclinic.org/diseases-conditions/sexually-transmitted-diseases-stds/symptoms-causes/syc-20351240
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