| Field code | QUANT4_ATCOL |
| Field description | Quantity of fourth product at collection per tube (see also NBTx_ATCOL) |
| Field type | Numeric Length: 4 |
| Field rule | In millilitres |
| Dictionary field | Blood sample requirements (amount) (The amount (volume) of peripheral blood samples) |
| EMDIS messages |
WOR_REQ |
| WMDA XML fields related to dictionary field |