| parent | Porphyrins | LP14913-5 |
| child | Hexacarboxylporphyrins | LP31845-8 |
| child | Hexacarboxylporphyrin | Blood | Chemistry - non-challenge | LP386465-1 |
| child | Hexacarboxylporphyrin | Red Blood Cells | Chemistry - non-challenge | LP386466-9 |
| child | Hexacarboxylporphyrin I | LP14337-7 |
| child | Hexacarboxylporphyrin III | LP14338-5 |
| child | Hexacarboxylporphyrin | Serum or Plasma | Chemistry - non-challenge | LP386467-7 |
| child | Hexacarboxylporphyrin | Stool | Chemistry - non-challenge | LP386468-5 |
| child | Hexacarboxylporphyrin/Creatinine | LP286198-9 |
| child | Hexacarboxylporphyrin | Urine | Chemistry - non-challenge | LP386469-3 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Hexacarboxylporphyrin |
| DisplayName | en-US | Hexacarboxylporphyrin |
LOINC Version: 2.81