| Field identifier | MAT-HLA-DRB1-SER-FIELD1 |
| Field description | Maternal HLA-DRB1, 1st antigen |
| Element type | MatType |
| Field type | hlaSerFieldsType |
| Required | Dependent |
| Length | 5 |
| Comment | Element within the element SER |
| Dictionary field | HLA-DRB1 (serological) (HLA-DRB1 serology result per WHO nomenclature) |
| EMDIS fields related to dictionary field |
CB_DR1 CB_DR2 CB_MAT_DR1 CB_MAT_DR2 D_DR1 D_DR2 P_DR1 P_DR2 |