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Human Immunodeficiency Virus (HIV)

Also known as: AIDS Test; AIDS Screen; HIV Serology
Formal name: Human Immunodeficiency Virus Antibody Test
Related tests: p24 Antigen; HIV Antigen/Antibody Combination Testing; CD4 and CD8; HIV Viral Load; HIV Genotypic Resistance Testing

Why should I do it?
To determine if you are infected with Human immunodeficiency virus (HIV)

When should I do it?
One month to three months after you think you may have been exposed to the virus (the average time for the antibody to be detected is two to eight weeks after exposure to the virus); once a year if you are at increased risk of being exposed to the virus; when your doctor thinks that your signs and symptoms may be due to HIV; before becoming pregnant or when pregnant

What Kind of Sample is Needed?
A blood sample collected from a vein in your arm; there are also tests available that can be performed on oral fluid.

Test Preparation Needed?
None