| Field code | CB_MAT_DQB12 | 
| Field description | Maternal DNA-DQB1, 2nd allele | 
| Field type | Alphanumeric Length: 20 | 
| Field rule | Values according to WHO nomenclature _ see note 3 in the appendix.  | 
                        
| Dictionary field | HLA-DQB1 (molecular) (HLA-DQB1 molecular result per WHO nomenclature) | 
| EMDIS messages | 
                                
                                    CBU_DIFF CBU_FULL  | 
                        
| WMDA XML fields related to dictionary field | 
                                
                                    DQB1 |