Double-Positive T-Lymphocyte Subpopulation Count

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the number of sub-population of double-positive T-lymphocytes (T-lymphocytes that are both CD4+ and CD8+) in a sample.

**Synonyms:** - T-Lymphocytes Double Positive Sub-Population - TDPS - TLym DP Sub - TLym Dbl Pos Sub - TLym Dbl Pos Sub