| Field code | PROD4_BEFCOL |
| Field description | Fourth pre-collection product |
| Field type | Alphanumeric Length: 10 |
| Field rule |
|
| Dictionary field | Blood sample requirements (tube type) (The type of peripheral blood samples (tube & anticoagulant)) |
| EMDIS messages |
WOR_REQ |
| WMDA XML fields related to dictionary field |