| Field code | CB_MAT_ID |
| Field description | The identification of the maternal donor as assigned by the hub. It may be the same as the local ID (CB_BANK_MAT_ID) |
| Field type | Alphanumeric Length: 15 |
| Field rule | Local ID |
| Dictionary field | Maternal ID (The identification used to identify the maternal donor) |
| EMDIS messages |
CBU_DIFF CBU_FULL |
| WMDA XML fields related to dictionary field |
ID |