| parent | Fractional excretion of urea | LP99664-2 |
| child | Fractional excretion of urea [Ratio] in Urine and Serum or Plasma collected for unspecified duration | 59009-1 |
| PartDisplayName | en-US | Fractional excretion of urea | Urine and Serum or Plasma | Chemistry - non-challenge |
LOINC Version: 2.77
FHIR