Double-Positive T-Lymphocyte to T-Lymphocyte Ratio Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the ratio of double-positive T-lymphocytes to T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.

**Synonyms:** - T-Lymphocytes Double Positive/T-Lymphocytes - TDPTLY - TLym DP/TLym - TLym Dbl Pos/TLym - TLym Dbl Pos/TLym