Helper T-Lymphocyte to Lymphocyte Ratio Measurement

**Semantic type:** Laboratory Procedure

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

**Synonyms:** - T-Lymphocytes Helper/Lymphocytes - TLHLY - TLym Help/Lym - TLym Help/Lym