| parent | Hydroxyproline | LP15650-2 |
| child | Glycylproline/Creatinine | LP286120-3 |
| child | Glycylproline | Serum or Plasma | Chemistry - non-challenge | LP384062-8 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Glycylproline |
| DisplayName | en-US | Glycylproline |
LOINC Version: 2.81