| parent | Small molecules | LP31415-0 |
| child | 5-Hydroxyindoleacetate | LP15097-6 |
| child | Serotonin | Blood | Chemistry - non-challenge | LP386347-1 |
| child | Serotonin | Plasma | Chemistry - non-challenge | LP386348-9 |
| child | Serotonin/Creatinine | LP287026-1 |
| child | Serotonin | Platelets | Chemistry - non-challenge | LP386349-7 |
| child | Serotonin | Serum | Chemistry - non-challenge | LP386350-5 |
| child | Serotonin | Urine | Chemistry - non-challenge | LP386351-3 |
| PartDisplayName | en-US | Serotonin |
| DisplayName | en-US | Serotonin |
LOINC Version: 2.80
FHIR