| parent | Urea | LP14288-2 |
| child | Urea [Mass/volume] in Serum or Plasma | 3091-6 |
| child | Urea [Mass or Moles/volume] in Serum or Plasma | 42571-0 |
| child | Urea [Moles/volume] in Serum or Plasma | 22664-7 |
| child | Urea/Creatinine [Mass Ratio] in Serum or Plasma | 56997-0 |
| child | Urea/Creatinine [Molar ratio] in Serum or Plasma | 39783-6 |
| child | Urea [Moles/volume] in Serum or Plasma --post dialysis | 39776-0 |
| child | Urea [Moles/volume] in Serum or Plasma --pre dialysis | 39777-8 |
| PartDisplayName | en-US | Urea | Serum or Plasma | Chemistry - non-challenge |
LOINC Version: 2.77
FHIR