| parent | Phenylalanine | LP15792-2 |
| child | Glutamylphenylalanine/Creatinine | LP286094-0 |
| child | Glutamylphenylalanine | Serum or Plasma | Chemistry - non-challenge | LP384233-5 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Glutamylphenylalanine |
| DisplayName | en-US | Glutamylphenylalanine |
LOINC Version: 2.81