Fractional Excretion of Sodium on-line calculation
Patient Data:
Urine Creatinine mmol/L: Serum Creatinine umol/L:
Urine Sodium mmol/L: Serum/Plasma Sodium (mmol/L):
Results:
FeNa %:
Enter the patient's measured values in the spaces provided above and then click the "Calculate" button to estimate the Fractional Excretion of Sodium.
RPH Biochemistry quotes a reference range of <1% for pre-renal oliguria and >1% for acute tubular necrosis.

This is an experimental script and results should be treated with due care and consideration.
Please send comments to bill@iinet.net.au

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© Bill McConnell 1998.
bill@iinet.net.au