HIV test checks a sample of blood, saliva, or urine to detect the presence of the human immunodeficiency virus (HIV). These tests are highly accurate, but require a "window period" (10 to 90 days after potential exposure) for the body's immune system or the virus itself to reach detectable levels.
SPECIMEN COLLECTION AND HANDLING
- The test can be used to test whole blood/serum/plasma specimens.
- Collect blood specimen (containing EDTA, citrate or heparin) by veinpuncture following standard laboratory procedures.
- Separate the whole blood, serum or plasma as soon as possible by centrifugation after collecting.
- Store specimens at 2-8℃ (36-46℉) if not tested immediately. Store specimens at 2-8℃ up to 7 days. The serum/plasma specimens should be frozen at -20℃ (-4℉) for longer storage.
- Avoid multiple freeze-thaw cycles. Prior to testing, bring frozen specimens to room temperature slowly and mix gently. Specimens containing visible particulate matter should be clarified by centrifugation before testing.
- Do not use samples demonstrating gross lipemia, gross hemolysis or turbidity in order to avoid interference on result interpretation.
ASSAY PROCEDURE
FAQ
Q: What does an HIV test do?
A: An HIV test checks a sample of your blood, saliva (oral fluid), or urine to detect HIV. The process is quick, generally painless, and tailored to your preference for convenience and privacy.
Q:How do we get tested for HIV?
A: A rapid antigen/antibody test done with blood from a finger stick can usually detect HIV 18 to 90 days after exposure. An antigen/antibody lab test using blood from a vein can usually detect HIV 18 to 45 days after exposure.
Q: How do I know if I have HIV?
A:The only way to know if you have HIV is to get tested. You cannot rely on symptoms, as many people experience no symptoms at all, or confuse early signs with a standard flu.
Q: What is a 1% chance of getting HIV?
A: A 1% chance of getting HIV corresponds to an estimated risk of 1 transmission per 100 exposures, or a 1 in 100 probability. While this per-act risk applies to certain specific, high-risk behaviors, the actual probability largely depends on the exact mode of exposure and the viral load of the source partner.
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Q: Is HIV curable?
A: There is currently no widely available cure for HIV, and it remains a lifelong condition. However, it is highly treatable. Antiretroviral therapy (ART) suppresses the virus to undetectable levels, allowing individuals to live long, healthy lives and preventing the transmission of the virus to others. antibodies, which may cross-react with HIV test components.
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