| parent | Fractional excretion of sodium | LP64200-6 |
| child | Fractional excretion of sodium [Ratio] in Urine and Serum or Plasma | 49135-7 |
| PartDisplayName | en-US | Fractional excretion of sodium | Urine and Serum or Plasma | Chemistry - non-challenge |
LOINC Version: 2.77
FHIR