| parent | Anticonvulsants | LP18892-7 |
| child | Phenytoin.total | LP18627-7 |
| child | Phenytoin | Body fluid | Drug toxicology | LP390828-4 |
| child | Phenytoin | Saliva | Drug toxicology | LP390829-2 |
| child | Phenytoin.bound | LP35586-4 |
| child | Phenytoin.free | LP14731-1 |
| child | Phenytoin | Serum or Plasma | Drug toxicology | LP390830-0 |
| child | Phenytoin | Urine | Drug toxicology | LP390831-8 |
| child | Phenytoin | XXX | Drug toxicology | LP390832-6 |
| parent | Anticonvulsants | LP18892-7 |
| child | Phenytoin | Dose | Drug doses | LP392349-9 |
| PartDisplayName | en-US | Phenytoin |
| DisplayName | en-US | Phenytoin |
LOINC Version: 2.77
FHIR