| parent | Toxins and poisons | LP31432-5 |
| child | Benzidine | Air | Drug toxicology | LP387805-7 |
| child | Benzidine | Serum or Plasma | Drug toxicology | LP387806-5 |
| child | Benzidine | Urine | Drug toxicology | LP387807-3 |
| PartDisplayName | en-US | Benzidine |
| DisplayName | en-US | Benzidine |
LOINC Version: 2.77
FHIR