A full STD screening typically covers seven to nine infections: chlamydia, gonorrhea, syphilis, HIV, hepatitis B, hepatitis C, trichomoniasis, and sometimes herpes and HPV. There’s no single universal panel, though. What “full” means depends on your sex, age, sexual history, and the type of sex you’re having. Understanding what’s included, how each test works, and when results are reliable helps you make sure nothing gets missed.
What a Full Panel Covers
The core infections in a comprehensive screening are chlamydia, gonorrhea, syphilis, HIV, hepatitis B, and hepatitis C. Most clinics and sexual health services will test for all of these when you request a full panel. Trichomoniasis is commonly included as well, particularly for women, since it’s the most common curable STI and often causes no symptoms.
Two infections are notably absent from most “full” panels: herpes and HPV. That’s not an oversight. The CDC does not recommend routine herpes blood testing for people without symptoms because the available blood tests produce false positives at a much higher rate than tests for infections like chlamydia or gonorrhea. A wrong result can cause real harm, from unnecessary anxiety to relationship problems, without clear medical benefit. Herpes testing is recommended when you have active sores or blisters, a partner with known genital herpes, or signs your provider wants to confirm. You can ask for it specifically, but it usually won’t be included automatically.
HPV screening is handled separately through cervical cancer screening (Pap smears or HPV co-testing) rather than as part of a standard STI panel. There is no approved HPV test for men, and no blood or urine test exists for it.
Mycoplasma Genitalium
You may see this newer infection mentioned online. It’s a bacterial STI that can cause symptoms similar to chlamydia, but routine screening for it is not currently recommended. Testing is reserved for specific situations: men with recurring urethritis that doesn’t clear with treatment, or women with recurring cervicitis or pelvic inflammatory disease. It won’t be part of a standard full panel.
How Each Test Works
A full screening requires more than one sample type. You won’t just give blood or just pee in a cup. Here’s what to expect:
- Blood draw: Covers syphilis, HIV, hepatitis B, and hepatitis C. If herpes testing is included, that’s a blood test too. This is typically one or two tubes drawn from your arm.
- Urine sample: Used to detect chlamydia, gonorrhea, and trichomoniasis. For the most accurate results, try not to urinate for two to three hours before your appointment so there’s enough bacterial material in the sample.
- Swab tests: A vaginal swab (often self-collected) can test for chlamydia, gonorrhea, and trichomoniasis. If you have visible sores, a swab of the sore is the most accurate way to test for herpes. Cervical swabs are used for HPV screening during a Pap test.
For many people, a full screening means a blood draw plus a urine sample, and you’re done in under 15 minutes. Women may also have a vaginal swab, either provider-collected or self-collected depending on the clinic.
Oral and Rectal Testing
A standard urine or genital test only detects infections at that one site. Chlamydia and gonorrhea can also infect the throat and rectum, and those infections won’t show up on a urine test. If you’ve had oral or anal sex, throat and rectal swabs are the only way to catch infections at those sites.
This matters more than many people realize. Throat and rectal infections are frequently asymptomatic, meaning you’d have no reason to suspect them. Men who have sex with men are advised to get screened at all three sites (urine, throat, rectum) at least once a year for chlamydia and gonorrhea. But anyone who has had receptive anal or oral sex should consider asking for extragenital swabs. If your provider doesn’t offer them automatically, request them. A screening that only tests urine can miss infections entirely.
Window Periods: When Testing Is Accurate
Every infection has a window period, the gap between exposure and when a test can reliably detect it. Getting tested too soon after a potential exposure can produce a false negative, giving you a clean result when you’re actually infected.
- Chlamydia and gonorrhea: Can be detected as early as 5 days after exposure, but waiting at least 1 to 2 weeks is more reliable.
- Syphilis: Blood tests generally become accurate 3 to 6 weeks after exposure, though it can take up to 90 days in some cases.
- HIV: Depends on the test type. A fourth-generation lab test (antigen/antibody) is reliable at about 18 to 45 days. Rapid finger-prick antibody tests can take up to 90 days to be accurate.
- Hepatitis B and C: Blood tests are generally reliable 6 weeks or more after exposure.
- Herpes (if tested): Antibody blood tests can take 2 to 12 weeks to become positive. A swab of an active sore is accurate immediately.
If you’ve had a recent exposure and are concerned, getting tested now and then retesting after the relevant window period gives you the most complete picture. A single test right after a possible exposure isn’t enough to rule anything out.
Rapid Tests vs. Lab Tests
Many clinics and home testing kits offer rapid results, sometimes in under 30 minutes. These are convenient, but they come with trade-offs in accuracy. For chlamydia and gonorrhea, rapid antigen-detection tests catch only 50 to 70% of true infections while lab-based tests (called NAATs, or nucleic acid amplification tests) are far more sensitive. That means a rapid test can miss roughly one in three chlamydia or gonorrhea infections that a lab test would catch.
Rapid HIV tests and rapid syphilis tests tend to perform better, but lab-processed blood tests remain the gold standard. If you use a rapid test or home kit and get a positive result, a confirmatory lab test is the standard next step. If you get a negative rapid result but have symptoms or a known exposure, a lab-based retest is worth doing.
Who Gets Screened for What
Not everyone needs every test at the same frequency. General guidelines shape what providers recommend based on your risk profile:
All adults aged 18 and older should be screened for hepatitis B at least once in their lifetime. The same applies to hepatitis C. HIV screening is recommended at least once for everyone aged 13 to 64, and more often for those with ongoing risk factors. Sexually active women under 25 are advised to get annual chlamydia and gonorrhea testing, as are older women with new or multiple partners.
Men who have sex with men face higher rates of several STIs and are advised to test at least annually for syphilis, chlamydia, gonorrhea, and HIV. Those with multiple partners or anonymous partners may benefit from screening every 3 to 6 months. People living with HIV have an elevated risk of acquiring other STIs and are typically screened more frequently for syphilis, gonorrhea, chlamydia, and herpes.
During pregnancy, standard screening includes HIV, hepatitis B, syphilis, and chlamydia. Gonorrhea and hepatitis C testing may be added based on individual risk factors.
How to Get a Full Screening
You can get tested through your primary care provider, a sexual health clinic, a Planned Parenthood location, or a local health department. Home test kits are available for chlamydia, gonorrhea, syphilis, trichomoniasis, hepatitis C, and HIV, though they vary in comprehensiveness and accuracy.
The most important thing you can do is be specific about what you want. If you ask for “an STD test,” some providers will only run a few tests based on their assumptions about your risk. Saying “I want a full panel” and specifying that you want chlamydia, gonorrhea, syphilis, HIV, hepatitis B, hepatitis C, and trichomoniasis gives you a clear baseline. If you’ve had oral or anal sex, ask for throat and rectal swabs. If you want herpes included, say so explicitly, since it won’t be added by default. Knowing exactly what’s being tested is the only way to know what your results actually mean.