HLA-DR Alpha Histocompatibility Antigen Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the amount of total HLA DR alpha antigen in a sample.

**Synonyms:** - HLA Class II Histocompatibility Antigen, DR Alpha Chain Measurement - HLA DR Alpha Antigen - HLA DR Alpha Antigen - HLA-DR Alpha Antigen - HLA-DRA Antigen Measurement - HLADRA - Histocompatibility Antigen HLA-DR Alpha Measurement