| parent | Porphyrins | LP14913-5 |
| child | Porphobilinogen/Creatinine | LP286874-5 |
| child | Porphobilinogen | Serum or Plasma | Chemistry - non-challenge | LP386501-3 |
| child | Porphobilinogen | Stool | Chemistry - non-challenge | LP386502-1 |
| child | Porphobilinogen | Urine | Chemistry - non-challenge | LP386503-9 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Porphobilinogen |
| DisplayName | en-US | Porphobilinogen |
LOINC Version: 2.78