| parent | Fractional excretion of potassium | LP99665-9 |
| child | Fractional excretion of potassium [Ratio] in Urine and Serum or Plasma collected for unspecified duration | 59010-9 |
| PartDisplayName | en-US | Fractional excretion of potassium | Urine and Serum or Plasma | Chemistry - non-challenge |
LOINC Version: 2.77
FHIR