| parent | Urea nitrogen | LP14492-0 |
| child | Urea nitrogen/Creatinine | Blood | Chemistry - non-challenge | LP385470-2 |
| child | Urea nitrogen/Creatinine | Body fluid | Chemistry - non-challenge | LP385471-0 |
| child | Urea nitrogen/Creatinine | Serum or Plasma | Chemistry - non-challenge | LP385472-8 |
| child | Urea nitrogen/Creatinine | Urine | Chemistry - non-challenge | LP385473-6 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Urea nitrogen/Creatinine |
| DisplayName | en-US | Urea nitrogen/Creatinine |
LOINC Version: 2.81