T-Lymphocytopenia, Idiopathic CD4-Positive |
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| CD4+ T-Lymphocytopenia; CD4+ T-Lymphocytopenia, Idiopathic; Idiopathic CD4+ T-Lymphocytopenia; T-Lymphocytopenia, Idiopathic CD4+; CD4 Positive T Lymphocytopenia, Idiopathic; CD4+ T Lymphocytopenia; CD4+ T Lymphocytopenia, Idiopathic | |
| 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. | |