| Field identifier | ID |
| Field description | Identification used to identify the maternal donor as assigned by the registry |
| Element type | MatType |
| Field type | String |
| Required | No |
| Length | 15 |
| Comment | |
| Dictionary field | Maternal ID (The identification used to identify the maternal donor) |
| EMDIS fields related to dictionary field |
CB_BANK_MAT_ID CB_MAT_ID |