| parent | Protoporphyrin | LP15839-1 |
| child | Protoporphyrin.zinc | Blood | Chemistry - non-challenge | LP386513-8 |
| child | Protoporphyrin.zinc | Red Blood Cells | Chemistry - non-challenge | LP386514-6 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Protoporphyrin.zinc |
| DisplayName | en-US | Protoporphyrin.zinc |
LOINC Version: 2.81