CD4 count

American  

noun

1. a blood test that measures the number of helper T cells, used to evaluate patients infected with HIV.

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Example Sentences

CD4 count is the number of CD4 T-cells, a type of white blood cell, in the blood.

From Science Daily • May 7, 2024

JJ’s CD4 count, a measure of the immune system’s health, had gradually declined.

From Washington Post • Aug. 26, 2016

For some subgroups, the new guidelines recommend starting treatment immediately upon a positive H.I.V. test, regardless of CD4 count.

From New York Times • Jun. 30, 2013

CD4 cells are a type of white blood cell that fights infections, and a CD4 count gives a good sense of the strength of a person’s immune system and its ability to fight diseases.

From Salon • Jul. 17, 2012

Importantly, more than half of those infections occurred when the patient's CD4 count remained greater than 350, Fauci noted.

From Seattle Times • May 13, 2011