Human Herpesvirus 8 (HHV-8) Antibody, Serum/Plasma (Qualitative Immunoassay)

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms or conditions associated with HHV-8, such as Kaposi’s sarcoma (a rare cancer), certain lymphomas, or persistent infections. It may also be used in research or monitoring for patients at higher risk, like those with weakened immune systems or specific medical histories.

What to Expect Before the Test

No special preparation is needed for this test. You’ll provide a blood sample, usually drawn from your arm. If you’re on blood thinners or have a history of bleeding disorders, let your provider know before the test.

What the Test Results Mean

A positive result means your body has detected antibodies to HHV-8, suggesting past exposure. A negative result indicates no detectable antibodies at this time. Results alone don’t confirm active infection but can guide further evaluation if needed.

Common Conditions Monitored or Diagnosed With This Test

HHV-8 is often linked to Kaposi’s sarcoma, a type of cancer that can develop in people with weakened immune systems (e.g., due to HIV/AIDS, organ transplants, or certain chemotherapy treatments). This test helps assess exposure risk or monitor conditions where HHV-8 plays a role.