Fractional Excretion Of Sodium (Na) (FENa)
(Last Updated - 11/18/2006)

-the form below uses the equation:

Fractional Excretion Of Sodium (Na) (FENa) (%) =

Urine Na * Serum Creat
-------------------------------- x 100
Serum Na * Urine Creat


Urine Na (mEq/L):      
Serum Creat (mg/dL):
Serum Na (mEq/L):    
Urine Creat (mg/dL):  

FENa (%):



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References: