| Field identifier | CONTENT_TYPE |
| Field description | Type of the inventory items, i.e. donor ("D") or CBU ("C") |
| Element type | InventoryType |
| Field type | contentTypeType |
| Required | Yes |
| Length | 1 |
| Comment | The content-type is also shown in the fileName. When CONTENT_TYPE is "D", the INVENTORY must contain |
| Dictionary field | Donor Type (Differentiate between stem cell donor, CBU or ADCU) |
| EMDIS fields related to dictionary field |
D_TYPE |