STI Blood Screen

£99.95 Buy Now
  • Lab test with highest level of accuracy
  • Detection of 4 infections
  • 4 hour results service
  • Simple finger prick test

Quad STI Blood Test

The STI Clinic can offer four tests from one tiny blood sample that you can collect at home. Only a very small amount of blood from a finger prick test is required to give an accurate result for HIV, Syphilis, Hepatitis B and Hepatitis C.

How Our Service Works

  • Order your
    STI test online
  • Discreet package
    arrives next day
  • Provide a sample and post in pre-paid envelope
  • Access results online
How it works - order a test, provide sample and get results online

How long does it take?

If you order a test before 5 pm Monday to Friday, then you could have the kit delivered the next morning. Orders received before 11 am on a Saturday are dispatched the same day. After you send the kit back to our lab in the pre-paid envelope provided, you will have your results within 4 hours of the sample being received.

How soon can I take the test?

The antigens that we are looking for can appear from 10 days after exposure so this would be the soonest reasonable time to get tested if you are concerned about only one sexual event. The antigens can take longer than 10 days to appear and we will always recommend getting retested around 6 weeks after potential exposure for HIV as this is the longest that we would expect it to take for the p24 antigen to be expressed in your blood. We advocate getting tested at the earliest sensible opportunity and not waiting for 6 weeks.

Please find the other incubation periods detailed on this page.

What happens if I am positive?

We will interpret your results for you and put them into plain English. If any of your results indicate that you have tested positive for any of the infections then we will need to recommend that you see a healthcare professional face to face to have the result confirmed from a venous sample. We do not provide treatments for any of the infections covered by the Quad STI Blood Test as they require careful management in a face to face environment.

Who is this test suitable for?

The Quad STI Blood Test can be taken by anyone. If you want to rule out the possibility of having HIV, Syphilis, Hepatitis B and Hepatitis C then this test would be appropriate. If you are concerned about other infections, we have the Full Screen Plus available that can identify 11 different infections.

STI Blood Screen

£99.95 Buy Now
  • Order within
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  • for next day delivery


UK +44 (0)20 7125 0367



2 Wingate Business Exchange, 64-66 Wingate Square
London SW4 0AF

Registered Address

7 Tufton Street
London SW1P 3QB

The STI Clinic is owned and operated by Online Medical Services Limited. Any medical service required is contracted to be provided by Online Clinic (UK) Limited, which is licensed by the Care Quality Commission. Testing is undertaken at The Doctors Laboratory, which is registered with Clinical Pathology Accreditation.

  • The Doctors Laboratory 
  • Clinical Pathology Accreditation logoClinical Pathology Accreditation no. 1954
  • Information Commissioner's OfficeData Protection Act registered
    ICO registration no. Z2782183
Visa and Visa Debit accepted Mastercard accepted American Express accepted
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