Write a note In the chart Compare Glossary Calculators Articles API Get access

Fractional excretion of sodium (FENa)

Current versionAcid-base / renal·4 inputs·1 reference

Based on Espinel CH (1976).

Pogosh offers this calculator when a case matches kidney disease, dehydration, obstructive uropathy. It runs only when you press Calculate.

Decision support for clinicians — review before acting.

mEq/L
mEq/L
mg/dL
mg/dL
Runs only when you press Calculate. Values are not stored.

References

  1. Espinel CH. The FENa test. Use in the differential diagnosis of acute renal failure. JAMA. 1976;236:579-581. Search PubMed

Related calculators

Anion gap (with albumin correction)Creatinine clearance (Cockcroft–Gault)Infusate rate for a target sodium change (Adrogué–Madias)Osmolal gapCalculated serum osmolalityExpected serum sodium change from infusate and urine outputSodium corrected for hyperglycemiaSodium deficit (hyponatremia)

Pogosh CDS reads a clinical note and offers the calculators that fit the case. Try it on your own note, browse all calculators, or call them from your software through the API.