Helper 9 T-Lymphocyte Subpopulation Count

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the number of a subpopulation of helper 22 T-lymphocytes in a sample.

**Synonyms:** - T-Lymphocytes Helper 9 Sub-Population - TLH9S - TLym Help 9 Sub - TLym Help 9 Sub - Th9 Sub