Peripheral Helper T-Lymphocyte Subpopulation to Helper Memory 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 memory helper T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.

**Synonyms:** - C214540 - T-Lymphocytes Helper Peripheral Sub-Population/T-Lymphocytes Helper Memory Sub-Population - TLym Help Peripheral Sub/TLym Help Mem Sub - TLym Help Peripheral Sub/TLymHMS - TLym Help Peripheral Sub/TLymHMS - Tph Sub/TLym Help Mem Sub