| Field code | MAT_SER_AVA |
| Field description | Maternal serum available for CBU? |
| Field type | Alphanumeric Length: 1 |
| Field rule | Y = Yes N = No |
| Dictionary field | Maternal serum available () |
| EMDIS messages |
ALM_RES DONOR_CB |
| WMDA XML fields related to dictionary field |