Testing depends on the window period
No HIV test detects infection immediately. Typical CDC windows are 10 to 33 days for NAT and 18 to 45 days for a laboratory antigen/antibody test, with longer windows for rapid and antibody-only tests.
An HIV test cannot rule out infection immediately after exposure. If a possible exposure happened within the past 72 hours, seek an urgent PEP evaluation instead of waiting for a later test.
These points affect medication safety, test timing, or follow-up. The linked primary guidance supports each summary.
No HIV test detects infection immediately. Typical CDC windows are 10 to 33 days for NAT and 18 to 45 days for a laboratory antigen/antibody test, with longer windows for rapid and antibody-only tests.
New York guidance uses a rapid HIV test plus laboratory antigen/antibody and HIV RNA testing unless qualifying laboratory results exist from the prior seven days. Pending results must be reviewed and acted on within seven days.
When HIV is confirmed, New York's Rapid ART guideline supports offering treatment as soon as possible, including on the day of diagnosis or the first clinic visit when clinically appropriate.
HIV testing may use an antibody test, antigen/antibody test, or nucleic acid test based on the situation.
No HIV test can detect infection immediately. The right repeat-test date depends on the test and exposure timing.
A negative result can lead directly to oral PrEP, Apretude, Yeztugo, PEP, or another prevention plan when appropriate.
The exact plan depends on your history, test results, coverage, and medication choice. These are the usual steps.
Share the most recent exposure date, prior tests, current symptoms, and any recent PrEP or PEP use.
The clinician chooses rapid blood testing, laboratory antigen/antibody testing, HIV RNA testing, or a combination based on timing and clinical need.
A negative early result may require repeat testing. A reactive screening result requires confirmatory testing before a final diagnosis.
Discuss urgent PEP, daily oral PrEP, Apretude, Yeztugo, STI testing, or HIV treatment linkage as indicated.
Set the repeat-test, PrEP monitoring, or treatment-linkage plan before the visit ends.
A laboratory antigen/antibody test using blood from a vein can usually detect HIV 18 to 45 days after exposure. A rapid fingerstick antigen/antibody test usually detects infection 18 to 90 days after exposure. Antibody tests usually detect infection 23 to 90 days after exposure. A nucleic acid test, or NAT, can usually detect HIV 10 to 33 days after exposure.
These are typical CDC window ranges, not a guarantee for an individual result. Recent PrEP or PEP can affect test interpretation. A clinician will tell you whether repeat antigen/antibody or RNA testing is needed.
For same-day PrEP initiation in New York, clinicians obtain a rapid HIV test and order a laboratory antigen/antibody test plus HIV RNA unless qualifying laboratory results are available from the prior seven days. Medication may start while results are pending when the rapid result and clinical assessment support it, but the results must be reviewed and acted on within seven days.
The visit can also include kidney, hepatitis B, STI, or lipid testing depending on the PrEP option. An exposure within the prior 72 hours requires urgent PEP assessment before PrEP.
Same-day navigation does not always mean medication starts immediately. Recent exposure, acute symptoms, prior long-acting PrEP, a discordant test, or another health concern may require additional testing first. The goal is a clear plan, not a rushed prescription.
Nao Medical provides confidential clinical testing. Confidential testing is recorded in the medical record and protected by privacy law; it is different from anonymous testing that does not use identifying information.
A reactive screening test is not the final diagnosis. Follow-up testing is required. If HIV is confirmed, prompt linkage to an experienced treatment team is the next step. New York's Rapid ART guideline supports offering treatment as soon as possible, including on the day of diagnosis or the first clinic visit when clinically appropriate.
Choose a clinic for directions and local details, then use the HIV testing booking path to confirm current appointments and follow-up options.
Bronx
932 E 174th St, Bronx, NY 10460
Book the HIV testing route to confirm testing, result follow-up, and PrEP navigation availability at this clinic.
Queens
37-15 23rd Ave, Astoria, NY 11105
Book the HIV testing route to confirm testing, result follow-up, and PrEP navigation availability at this clinic.
Bronx
2063A Bartow Ave, Bronx, NY 10475
Book the HIV testing route to confirm testing, result follow-up, and PrEP navigation availability at this clinic.
Brooklyn
341 Eastern Pkwy, Brooklyn, NY 11216
Book the HIV testing route to confirm testing, result follow-up, and PrEP navigation availability at this clinic.
Long Island
232 W Old Country Rd, Hicksville, NY 11801
Book the HIV testing route to confirm testing, result follow-up, and PrEP navigation availability at this clinic.
Queens
80-10 Northern Blvd, Jackson Heights, NY 11372
Book the HIV testing route to confirm testing, result follow-up, and PrEP navigation availability at this clinic.
Queens
90-18 Sutphin Blvd, Jamaica, NY 11435
Book the HIV testing route to confirm testing, result follow-up, and PrEP navigation availability at this clinic.
Queens
30-07 36th Ave, Astoria, NY 11106
Book the HIV testing route to confirm testing, result follow-up, and PrEP navigation availability at this clinic.
Long Island
135 Mineola Blvd, Mineola, NY 11501
Book the HIV testing route to confirm testing, result follow-up, and PrEP navigation availability at this clinic.
Manhattan
259 1st Ave, New York, NY 10003
Book the HIV testing route to confirm testing, result follow-up, and PrEP navigation availability at this clinic.
Brooklyn
308 Graham Ave, Brooklyn, NY 11211
Book the HIV testing route to confirm testing, result follow-up, and PrEP navigation availability at this clinic.
The right option depends on whether the need is urgent after an exposure, ongoing prevention, or testing.
| Care option | Typical schedule | What to consider |
|---|---|---|
| HIV testing | Determines HIV status using a test selected for the exposure timing | May require repeat or confirmatory testing |
| PEP | Emergency 28-day medicine after a possible exposure | Start as soon as possible and no later than 72 hours |
| PrEP | Ongoing medicine before possible future exposures | Daily oral or long-acting injection options |
Clinical facts in this overview were checked against the following primary guidance and prescribing information.
Published by Nao Medical.
Updated August 1, 2026. This information is not a substitute for an individual medical evaluation. A licensed clinician determines medication eligibility, testing, dosing, and follow-up. Contact Nao Medical with a question or correction.
Choose the care path that matches your timing, then let the Nao Medical team coordinate testing, coverage, and follow-up.
Book HIV testing and PrEP navigationGeneral information only. This page is not medical advice and does not replace diagnosis, treatment, or guidance from a licensed clinician.
Content was updated August 1, 2026 from the sources cited on this page. Medical guidance, prescribing information, medication availability, and insurance rules can change. A licensed clinician must confirm current information and determine each patient's eligibility, testing, treatment, administration setting, and follow-up. Call 911 for a medical emergency. Contact Nao Medical with a question or correction.