| parent | Elements and Elemental Ions | LP31434-1 |
| child | Thorium | Hair | Drug toxicology | LP388491-5 |
| child | Thorium | Serum or Plasma | Drug toxicology | LP388492-3 |
| child | Thorium | Tissue and Smears | Drug toxicology | LP388493-1 |
| child | Thorium | Urine | Drug toxicology | LP388494-9 |
| PartDisplayName | en-US | Thorium |
| DisplayName | en-US | Thorium |
LOINC Version: 2.77
FHIR