Definition: Reproducible depletion of CD4+ lymphocytes below 300 per cubic millimeter in the absence of HIV infection or other known causes of immunodeficiency. This is a rare, heterogeneous syndrome and does not appear to be caused by a transmissible agent.
DF: CD4 LYMPHOCYTOPENIA
Other names Idiopathic CD4-Positive T-Lymphocytopenia; CD4-Positive T-Lymphocytopenia, Idiopathic; T-Lymphocytopenias, CD4+; T-Lymphocytopenia, CD4+; T Lymphocytopenia, Idiopathic CD4+; T Lymphocytopenia, Idiopathic CD4 Positive; Idiopathic CD4+ T Lymphocytopenia; CD4+ T-Lymphocytopenias; CD4+ T Lymphocytopenia, Idiopathic; CD4+ T Lymphocytopenia; CD4 Positive T Lymphocytopenia, Idiopathic; T-Lymphocytopenia, Idiopathic CD4+; Idiopathic CD4+ T-Lymphocytopenia; Idiopathic CD4 Positive T-Lymphocytopenia; CD4+ T-Lymphocytopenia, Idiopathic; CD4+ T-Lymphocytopenia