| parent | Gastrointestinal function | LP31419-2 |
| child | Pepsinogen I | LP15783-1 |
| child | Pepsinogen | Blood | Chemistry - non-challenge | LP386758-9 |
| child | Pepsinogen | Serum or Plasma | Chemistry - non-challenge | LP386759-7 |
| child | Pepsinogen II | LP15784-9 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Pepsinogen |
| DisplayName | en-US | Pepsinogen |
LOINC Version: 2.81