T-Lymphocytes to Lymphocytes Ratio Measurement

**Semantic type:** Laboratory Procedure

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

**Synonyms:** - T Cells/Lymphocytes - T-Lymphocytes/Lymphocytes - TLYLY - TLym/Lym - TLym/Lym