CD4 Percentage

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Synonym(s):
CD4 Cell Percentage, CD4 T Lymphocyte Percentage

Percentage of lymphocytes that are CD4 T lymphocytes (CD4 cells). In certain cases, such as in children with HIV who are younger than 5 years of age, CD4 percentage is used rather than CD4 count to assess HIV progression or response to antiretroviral therapy (ART).

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