Double-Negative T-Lymphocyte Subpopulation Count

**Semantic type:** Laboratory Procedure

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

**Synonyms:** - T-Lymphocytes Double Negative Sub-Population - TDNS - TLym DN Sub - TLym Dbl Neg Sub - TLym Dbl Neg Sub