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Choose collection locationSTI & STD · Individual laboratory test
This molecular test specifically looks for HIV-2 genetic material. It is a specialist test when the history or earlier results raise that question.
Clinical authorDr Nirupama SabhapathySpecialist Clinical Pathology
Understanding the test
Also called HIV-2 Viral RNA
This specialist assay may help investigate possible HIV-2 when earlier testing does not clearly distinguish HIV types. Sharing prior results avoids interpreting the PCR in isolation.
A specialist may request an HIV-2-specific molecular test when earlier screening requires clarification.
HIV-2 results need to be interpreted with HIV differentiation tests and the clinical history.
Before your sample
No fast is needed. Bring earlier HIV screening or differentiation results and disclose HIV treatment or prevention medicines and relevant exposure dates.
The clinician takes blood from a vein into a tube that keeps it from clotting. The collection team sends the labelled specimen to the laboratory.
Smart Report
6 to 7 daysLaboratory turnaround
A detected result provides evidence for HIV-2 in the specimen. A low circulating level can make an undetectable result less definitive than expected.
From sample to follow-up

Choose your location, add the test to your care bag and select a time. If you are booking for someone else, assign the test to them in checkout.
Choose collection locationLook for HIV 2 PCR Qualitative in your report. Use the sample type and collection time when comparing it with an earlier report.
Explore Smart Report
Discuss the PCR alongside the specific HIV-1/HIV-2 differentiation results that led to the referral.
Patient questions
No. HIV-2 genetic material can be present at levels below detection. Specialist interpretation with antibody testing and the clinical history is important.
An HIV-1-specific molecular assay does not diagnose HIV-2. An HIV specialist chooses the appropriate antibody and molecular tests when HIV-2 is suspected.
Dual infection is possible. Confirming it, or resolving indeterminate results, may require several tests interpreted together by a specialist.
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Written by Dr Nirupama Sabhapathy, Specialist Clinical Pathology. Medically reviewed by Dr Joyce Jose, Specialist Clinical Pathology, on .
Catalogue information and AED price checked on 2 November 2026. Clinical suitability, preparation, collection arrangements and turnaround are confirmed for your selected test.