| Field code | P_DRB42 |
| Field description | Patient DNA-DRB4, 2nd allele |
| Field type | Alphanumeric Length: 20 |
| Field rule | Values according to WHO nomenclature _ see note 3 in the appendix |
| Dictionary field | HLA-DRB4 (molecular) (HLA-DRB4 molecular result, values according to WHO nomenclature) |
| EMDIS messages |
PAT_UPD |
| WMDA XML fields related to dictionary field |
DRB4 |