| parent | Porphyrins | LP14913-5 |
| child | Protoporphyrin.free | LP21411-1 |
| child | Protoporphyrin | Blood | Chemistry - non-challenge | LP386506-2 |
| child | Protoporphyrin | Red Blood Cells | Chemistry - non-challenge | LP386507-0 |
| child | Protoporphyrin.zinc | LP15840-9 |
| child | Protoporphyrin/Porphyrins.total | LP286944-6 |
| child | Protoporphyrin | Serum or Plasma | Chemistry - non-challenge | LP386508-8 |
| child | Protoporphyrin | Stool | Chemistry - non-challenge | LP386509-6 |
| child | Protoporphyrin | Urine | Chemistry - non-challenge | LP386510-4 |
| PartDisplayName | en-US | Protoporphyrin |
| DisplayName | en-US | Protoporphyrin |
LOINC Version: 2.77
FHIR