HIV/HBV/HCV (Early detection by PCR/NAAT)
This PCR/NAAT test detects HIV, Hepatitis B and Hepatitis C at an early stage. It identifies viral genetic material before antibodies develop.
Turnaround time
1 day
Biomarkers count
1
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Details about HIV/HBV/HCV (Early detection by PCR/NAAT)
What is the HIV / HBV / HCV Early Detection by PCR/NAAT test?
The HIV / HBV / HCV Early Detection test uses PCR / NAAT (Nucleic Acid Amplification Technology) to detect the genetic material (RNA or DNA) of three major blood-borne viruses: HIV, Hepatitis B (HBV) and Hepatitis C (HCV).
Unlike standard antibody tests, which rely on the body’s immune response, PCR/NAAT testing identifies the virus itself. This allows detection during the window period, when a person may be infectious but antibody tests are still negative.
This test is widely used in sexual health screening, occupational exposure assessment, and early post-exposure testing.
Why do I need an HIV / HBV / HCV Early Detection test?
Early detection is critical for prompt treatment, reducing transmission risk, and protecting long-term health. PCR/NAAT testing is the most reliable option soon after potential exposure.
You may need this test if you:
- Had recent unprotected sexual contact
- Experienced a needlestick or blood exposure
- Had contact with a known or suspected positive individual
- Are testing during the early window period
- Need reassurance after recent risk exposure
- Are undergoing occupational health screening
- Require early confirmation before antibody testing is reliable
Situations where early detection is particularly important include:
- Post-exposure testing
- New or multiple sexual partners
- Healthcare or laboratory exposure
- Blood or body fluid contact
Benefits of the HIV / HBV / HCV PCR/NAAT test
- Detects infection earlier than antibody tests
Identifies viral genetic material directly. - Reduces diagnostic uncertainty during window period
Reliable shortly after exposure. - Covers three major blood-borne viruses in one test
Comprehensive early screening. - Highly sensitive molecular technology
Detects very low viral levels. - Supports early treatment and intervention
Improves long-term outcomes. - Clinically recognised gold-standard method
Used in specialist and hospital settings. - Reduces onward transmission risk
Enables rapid behavioural and medical action. - Single blood test
Efficient and discreet testing option.
Step by step – how the test works
You can access HIV / HBV / HCV PCR testing UK-wide through two options:
- Clinic appointment
Attend your nearest UK clinic where a healthcare professional will take your blood sample. - At-home or hotel visit (£60 extra)
A qualified phlebotomist visits your home or hotel for discreet sample collection.
The sample is analysed in an accredited UK laboratory using PCR/NAAT technology, and results are delivered securely.
Your results explained
All viruses not detected
No HIV, HBV or HCV genetic material detected at the time of testing.
Typical UK interpretation:
- HIV RNA: Not detected
- HBV DNA: Not detected
- HCV RNA: Not detected
One or more viruses detected
Indicates active infection. Immediate clinical follow-up is required.
Typical UK interpretation:
- Viral RNA/DNA detected for HIV, HBV and/or HCV
Follow-up testing advised
In some cases, repeat testing may be recommended to confirm results or monitor viral levels.
Results must always be interpreted in clinical context.
How It Works
Simple steps to get your results
Book Online
Choose your test online and book in seconds. Select your preferred clinic location or home visit option.
Visit or Test at Home
Attend one of our UK or London clinics, arrange a home nurse visit, or use a finger-prick kit where available.
Get Your Results
Your sample is analysed by accredited UK laboratories, with secure results delivered directly to you.
Take control of your health with London Blood Tests
WhatsApp UsHow to Prepare for Your Test
Follow these guidelines for accurate results
Sample Timing
Where possible, attend your blood test between 7am and 12pm. Please wait until any short-term illness or infection has fully resolved before testing. Avoid intense exercise for 24–48 hours beforehand, as this can affect certain markers.
Fasting & Hydration
Fasting is not always required, but some tests may recommend it. If fasting is advised, avoid food for 8–12 hours before your appointment and drink water only. Stay well hydrated, as this helps with sample collection and accuracy.
Medications & Supplements
Continue prescribed medications unless advised otherwise by your clinician. Avoid vitamin, mineral, or biotin supplements for at least 24–48 hours before your test, as these can interfere with results. If you are unsure about any medication or supplement, please let us know before your appointment.
Hormones & Menstrual Cycle
For hormone-related tests, timing within your menstrual cycle may be important. If relevant, follow any specific guidance provided on your test page.
If you have any questions or special circumstances, our team is happy to advise before your appointment.