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

**Semantic type:** Laboratory Procedure

**Definition:** The determination of a sub-population of peripheral 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 Peripheral Sub-Population/T-Lymphocytes Helper - TLHPSTLH - TLym Help Peripheral Sub/TLym Help - TLym Help Peripheral Sub/TLymH - TLym Help Peripheral Sub/TLymH - Tph Sub/TLym Help