Regulatory Helper T-Lymphocyte to Helper T-Lymphocyte Ratio Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the ratio of helper regulatory 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 Regulatory/T-Lymphocytes Helper - TLHRTLH - TLym Help Reg/TLym Help - TLym Help Reg/TLym Help