Definition of Absolute CD4 count
Absolute CD4 count: The number of 'helper' T-lymphocytes in a cubic millimeter of blood. The absolute CD4 count is frequently used to monitor the extent of immune suppression in persons with HIV because with HIV, this number declines as the infection progresses. Also known as T4 count.
Last Editorial Review: 6/9/2016
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?