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

**Semantic type:** Laboratory Procedure

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

**Synonyms:** - T-Lymphocytes Helper Peripheral/T-Lymphocytes Helper Sub-Population - TLHPTLHS - TLym Help Peripheral/TLym Help Sub - TLym Help Peripheral/TLymHS - TLym Help Peripheral/TLymHS - Tph/TLym Help Sub