| parent | Catecholamines | LP15090-1 |
| child | Homovanillate/Creatinine | LP286229-2 |
| child | Homovanillate | Cerebral spinal fluid | Chemistry - non-challenge | LP381229-6 |
| child | Homovanillate | Serum | Chemistry - non-challenge | LP381230-4 |
| child | Homovanillate | Urine | Chemistry - non-challenge | LP381231-2 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Homovanillate |
| DisplayName | en-US | Homovanillate |
LOINC Version: 2.81