| parent | Hypnotics | LP30810-3 |
| child | Promethazine | Blood | Drug toxicology | LP390513-2 |
| child | Promethazine | Blood or Urine | Drug toxicology | LP390514-0 |
| child | Promethazine | Serum or Plasma | Drug toxicology | LP390515-7 |
| child | Promethazine | Serum or Plasma or Urine | Drug toxicology | LP390516-5 |
| child | Promethazine | Urine | Drug toxicology | LP390517-3 |
| parent | Hypnotics | LP30810-3 |
| child | Promethazine | Dose | Drug doses | LP392328-3 |
| PartDisplayName | en-US | Promethazine |
| DisplayName | en-US | Promethazine |
LOINC Version: 2.80
FHIR