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FENa Calculator
FENa Calculator
1.0.5
8.5 MB
Android 6.0+
Jul 10,2025
3.5

Application Description

The Fractional Excretion of Sodium (FENa) Calculator is a simple yet powerful tool used in clinical settings to assess kidney function and help determine the cause of acute kidney injury. This calculator allows healthcare professionals and students alike to quickly and accurately calculate the percentage of sodium excreted in the urine relative to the amount filtered by the kidneys.

To use the calculator, simply input the following values:

  • Plasma Sodium: measured in mmol/L or mEq/L
  • Plasma Creatinine: entered in either mg/dL or μmol/L
  • Urine Sodium: in mmol/L or mEq/L
  • Urine Creatinine: provided in mg/dL or μmol/L

Once all values are entered, the calculator instantly provides the FENa result as a percentage, helping users interpret whether the kidney dysfunction is likely due to prerenal causes, intrinsic renal disease, or postrenal obstruction. With its straightforward interface and reliable output, this FENa calculator delivers exactly what you need—no extra steps, no confusion. Just accurate results with minimal effort.

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