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Fractional Excretion of Sodium Calculator

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Calculate FENa

Units: SI
Imperial
Plasma Sodium:
(mmol/L)

Urine Sodium:

(mmol/L)

Plasma Creatinine:

(mg/dL or µmol/L)

Urine Creatinine:

(mg/dL or mmol/L)

QxMD Nephrology Contributing Author: Daniel Schwartz, MD, FRCP(C)
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