| Field code | D_LABEL_ID | 
| Field description | Verbatim CT sample label ID | 
| Field type | Alphanumeric Length: 19 | 
| Field rule | Free form; see note 1 in the appendix | 
| Dictionary field | ID on sample label (ID as it's written on a donor sample ( usually a VT sample)) | 
| EMDIS messages | SMP_ARR | 
| WMDA XML fields related to dictionary field |