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People with HIV are diagnosed with AIDS if they have a CD4 count of less than 200 cells/mm3 or if they have certain opportunistic infections. Once a person is diagnosed with AIDS, they can have a high viral load and are able to transmit HIV to others very easily.
If you get a diagnosis of HIV/AIDS, tests can help your healthcare professional learn the stage of your disease and the best treatment, including: CD4 T cell count. CD4 T cells are white blood cells that HIV targets and destroys.
The CD4 count is a test that measures how strong your immune system is. Find out how it helps your doctor make HIV and AIDS treatment decisions.
A healthy immune system normally has a CD4 count ranging from 500 to 1,600 cells per cubic millimeter of blood (cells/mm3), according to HIV.gov. When a CD4 count is lower than 200...
The CD4 count of an adult/adolescent who is generally in good health ranges from 500 to 1,200 cells/mm3. In contrast, if a person has a CD4 count of fewer than 200/mm3, they are considered to have progressed to stage 3 (AIDS), the most advanced stage of HIV.
CD4 count is a laboratory test that measures CD-4 T lymphocytes (T cells) via flow cytometry. This test is an important parameter in HIV management and is used to guide clinical treatment.
CD4 counts should be done to all patients first diagnosed with HIV disease. The Public Health Service recommends that all HIV-positive patients be tested every 3 to 6 months. Results can offer insight into the possible diagnosis of AIDS and the risk of opportunistic infections.
AIDS is diagnosed when specific AIDS-defining conditions are noted, regardless of the CD4+ count. These AIDS-defining conditions, outlined by the CDC, include: Candidiasis of the digestive tract (other than thrush)
CD4 cell count is an indicator of immune function in patients living with HIV and one of the key determinants for the need of opportunistic infection (OI) prophylaxis. CD4 cell counts are obtained from bloodwork as part of laboratory monitoring for HIV infection.
To be diagnosed with AIDS, you must be infected with HIV and have at least one of the following: Fewer than 200 CD4 cells per cubic millimeter of blood (200 cells/mm3). An AIDS-defining illness.