| parent | Tryptophan | LP15931-6 |
| child | Tryptophan [Units/volume] in Serum or Plasma | 27334-2 |
| child | Tryptophan [Mass/volume] in Serum or Plasma | 3070-0 |
| child | Tryptophan [Presence] in Serum or Plasma | 3069-2 |
| child | Deprecated Tryptophan [Molecules/volume] in Serum or Plasma | 24457-4 |
| child | Tryptophan [Moles/volume] in Serum or Plasma | 20659-9 |
| PartDisplayName | en-US | Tryptophan | Serum or Plasma | Chemistry - non-challenge |
LOINC Version: 2.77
FHIR