| parent | Vitamin B3 | LP31691-6 |
| child | Niacin | Blood | Chemistry - non-challenge | LP385154-2 |
| child | Niacin | Serum or Plasma | Chemistry - non-challenge | LP385155-9 |
| child | Niacin | Urine | Chemistry - non-challenge | LP385156-7 |
| PartDisplayName | en-US | Niacin |
| DisplayName | en-US | Niacin |
LOINC Version: 2.77
FHIR