Better2Know’s confidential and anonymous instant HIV test is available at sexual health clinics across the UK. Our test will bring you accurate results just 26 days after any incident that you are concerned about. The test is performed by your Better2Know clinician while you wait. You will have your HIV result in no longer than 20 minutes.


STI Type
  • Virus
  • Infected body fluids: blood, semen, vaginal fluid, pre-ejaculate and breast milk
  • Unprotected sex with an infected person
  • Contaminated objects such as needles
  • Mother to child before or during birth
  • Antiretroviral therapy
  • Lifelong medical treatment
  • Weakened immune system
  • Increased risk of acquiring other STIs
  • Acquired Immune Deficiency Syndrome (AIDS)
Sample needed
  • Finger Stick (blood)
Incubation Period
  • 26 days
Results time
  • 20 minutes
STI Screens with Instant HIV


Better2Know's Instant HIV Test

When can I get tested?

You can receive confidential instant HIV testing as early as 26 days after an incident of concern. This period of incubation is recommended to ensure the accuracy of your rapid HIV results. If you choose to get tested before this suggested time has elapsed, your HIV results may not be as accurate.

Where can I book an Instant HIV test?

Our Instant HIV test is available throughout the UK, including:

What happens during my appointment?

Please attend your appointment on time. Your Better2Know clinician will greet you, explain the instant HIV testing process to you, and collect your samples.

Your clinician will collect a small blood sample for your instant HIV test. This will either be with a finger stick using a lancet or a normal blood sample. Your sample will be applied to the instant HIV test strip, along with a chase buffer solution. The test takes around 20 minutes to run.

What happens when I receive my result?

You will receive your confidential results within 20 minutes after sample collection. You will be given a signed and completed copy of the Better2Know Rapid Test Results Report, outlining the results of your instant HIV test.

If your instant HIV test is reactive, further testing will be conducted as no medical diagnosis should be based on one test. A confirmation test is included in your Better2Know test.

If your confirmation test is positive, you will be referred to a specialist who will help to determine the right pathway for you. You will be asked to provide more blood samples to determine the effect of HIV on your system, before beginning treatment.

How does the test work?

Better2Know’s instant HIV test uses your blood sample to detect the p24 antigen (a protein associated with HIV) and the HIV 1 and HIV 2 antibodies. If either of these are found by the test, it will show a reactive result.

If your test is negative for either the p24 antigen or HIV antibodies there will only be one line, in the control section of the test strip.

If you are reactive for the p24 antigen or HIV I/II antibodies, there will be two lines. A red line will appear in the relevant sections on the test strip, as well as the control line. We will then do confirmatory testing at our CPA accredited laboratory at no further cost to you.

How accurate is my instant HIV test?

Better2Know’s private instant HIV test is highly sensitive and specific. The test is 99.8% accurate at 26 days post exposure.

Why should I get tested for HIV?

Regular HIV testing is important to maintain your health and that of your partners. HIV is a viral infection which will reduce your CD4 immune cells, weakening your body’s ability to defend against the infection and other foreign pathogens.

Is my appointment confidential?

Your personal information, testing and results is completely confidential. You can remain completely anonymous and you do not have to give us your real name.

What other STIs can I get tested for?

You can choose an instant HIV test on its own or combine it with other instant tests or laboratory-based tests to create a more extensive screen. As well as HIV, you can also receive instant STI results for Chlamydia, Gonorrhoea, Syphilis, Herpes, Hepatitis B and Hepatitis C. Your Better2Know sexual health advisor can help you choose the most suitable testing options for your personal needs.

Book your Instant HIV Test

Your instant HIV test can be booked by contacting Better2Know’s Patient Services team on the number above or selecting Book Now online. With same-day or next-day availability, you can arrange your private appointment for a time and date that suits you.

Better2Know’s experienced sexual health advisors are highly trained to provide all the guidance and support that you might want. They will listen to your needs, and answer any queries you may have, before arranging your appointment.

Once your appointment is confirmed, you will receive your login details to access your secure online patient area which contains details of your appointment, tests and information on all the STIs we test for. You can also use our partner notification system if you test positive.