| parent | Cobalamins | LP15505-8 |
| child | Transcobalamin I | LP15902-7 |
| child | Transcobalamin | Serum | Chemistry - non-challenge | LP385140-1 |
| child | Transcobalamin II | LP15903-5 |
| child | Transcobalamin III | LP15904-3 |
| child | Transcobalamin I+Transcobalamin III | LP99931-5 |
| child | Holo-transcobalamin | LP157330-4 |
| child | Apo-transcobalamin | LP157331-2 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Transcobalamin |
| DisplayName | en-US | Transcobalamin |
LOINC Version: 2.81