| parent | Tryptophan | LP15931-6 |
| child | 3-Hydroxykynurenin | Cerebral spinal fluid | Chemistry - non-challenge | LP384402-6 |
| child | 3-Hydroxykynurenin | Serum or Plasma | Chemistry - non-challenge | LP384403-4 |
| PartDisplayName | en-US | 3-Hydroxykynurenin |
| DisplayName | en-US | 3-Hydroxykynurenin |
LOINC Version: 2.77
FHIR