HLA DR Beta1 Histocompatibility Antigen Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the amount of HLA DR beta1 histocompatibility antigen present in a sample.

**Synonyms:** - HLA DR Beta1 Antigen - HLA DR Beta1 Antigen - HLA-DRB1 Antigen Measurement - HLADRB1