| Field code | CB_REDUCTION |
| Field description | Method of volume reduction |
| Field type | Alphanumeric Length: 3 |
| Field rule | HES = Hydroxy-Ethyl-Starch DGS = Density Gradient Separation CEN = Centrifuge FIL = Filtration FIC = FICOL PER = PERCOL NOT = Not reduced OTH = Other UNK = Unknown |
| Dictionary field | Unit volume reduction method (Method of used for volume reduction) |
| EMDIS messages |
ALM_RES DONOR_CB |
| WMDA XML fields related to dictionary field |