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

**Semantic type:** Laboratory Procedure

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

**Synonyms:** - C214537 - T-Lymphocytes Helper Peripheral Sub-Population/T-Lymphocytes Helper Peripheral Sub-Population - TLym Help Peripheral Sub/TLym Help Sub - TLym Help Peripheral Sub/TLymHPS - TLym Help Peripheral Sub/TLymHPS - Tph Sub/Tph Sub