Helper T-Lymphocyte Subpopulation to Helper T-Lymphocyte Ratio Measurement

**Semantic type:** Laboratory Procedure

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

**Synonyms:** - T-Lymphocytes Helper Sub-Population/Helper T-Lymphocytes - TLHSP - TLym Help Sub/TLym Help - TLym Help Sub/TLym Help