Dr. Tan and Partners is one of the few approved Anonymous HIV Testing Centres in Singapore. A detailed write up on our service is available here.

Other STD services: Early STD Screening, Rapid Hepatitis B Blood Test, Swab for Gonorrhea and many more... contact us to make an appointment now!

HIV Testing Fast Facts Infographic

It can be really confusing trying to figure out which HIV test to do and when.

This infographic should make things clearer.

Which HIV test to do and When to do it.

Which HIV test to do and When to do it.

Quick Summary:

1-3 days – High risk? See us about HIV PEP. Click here for more info.

3-10 days – Don’t bother to test. There is no test that is accurate.

10 days – Do the HIV RNA PCR test. Click here for more info.

28 days – Do the HIV P24 Ag/Ab Combo test. Click here for more info.

84 days (12 weeks) – Do the HIV Antibody test. Although the US CDC and WHO both recommend the HIV Combo test even at 12 weeks (3 months) post exposure. This is because of the possibility of sero-negative infections. Click here for more info.


Need more advice?

Come down to Our Clinics for a discussion with Our Doctors, or call our clinics for more information.

Email: hello@dtapclinic.com.sg

For lady patients who prefer female doctors, we have professional certified female Doctors to attend to your medical needs.


  1. question

    Hi doctor, would like to ask, if i have taken pep, and do a rapid test on 84days post exposure (52days after complete pep med), would the result be conclusive?


    • drtan

      According to some guidelines it is conclusive however the majority of other guideline still recommend a retest at 6 months. For my opinion in this matter click HERE to read my article on when to test for HIV after PEP.