Helper T-Lymphocytes to Total T-Lymphocytes Ratio Measurement

**Semantic type:** Laboratory Procedure

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

**Synonyms:** - Helper T Cells/T Cells - Helper T-Lymphocytes/T-Lymphocytes - TLYHTLY - TLym Help/TLym - TLym Help/TLym