| parent | Hydroxyproline | LP15650-2 |
| child | Glycyl-4-hydroxyproline/Creatinine | LP286119-5 |
| child | Glycyl-4-hydroxyproline | Serum or Plasma | Chemistry - non-challenge | LP384064-4 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Glycyl-4-hydroxyproline |
| DisplayName | en-US | Glycyl-4-hydroxyproline |
LOINC Version: 2.81