| Field code | CB_MAT_AL_PLA | 
| Field description | Number of plasma maternal aliquots | 
| Field type | Numeric Length: 2 | 
| Field rule | |
| Dictionary field | Maternal plasma aliquots (Number of available maternal plasma aliquots) | 
| EMDIS messages | CBU_DIFF CBU_FULL | 
| WMDA XML fields related to dictionary field | AL_PLA |