Infectious Disease
Also known as: HIV Antigen/Antibody Test, HIV Duo Test, 4th Gen HIV Test
If you think you've been exposed to HIV, talk to your healthcare provider right away about emergency treatment (PEP). Symptoms like flu-like illness, fever, extreme fatigue, swollen lymph nodes, or rash after a possible exposure should prompt immediate medical advice.
This test checks your blood for signs of the Human Immunodeficiency Virus (HIV). It looks for special fighters your body makes to fight the virus. It also looks for a part of the virus itself.
Your doctor orders this test to see if you have HIV. This is especially true if you might have been exposed to it. Finding out early helps you get treatment. This treatment keeps you healthy. It also stops the virus from spreading to others.
Reference ranges for HIV tests are qualitative (positive/negative) and can vary slightly by lab and test method. Interpretation depends on the specific test used and the timing relative to potential exposure.
Clinical Reference
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Educational purposes only — This information is not a substitute for professional medical advice, diagnosis, or treatment. Always discuss your lab results with your healthcare provider.