FENa / FEUrea Calculator – Fractional Excretion of Sodium and Urea (LabScan)
Important: This FENa / FEUrea calculator is for medical education only. It does not diagnose, rule out or manage acute kidney injury or any condition. Always use full clinical assessment and local lab reference ranges.
Enter lab values for FENa / FEUrea
Serum Values
Urine Values
Results - FENa / FEUrea and Educational Pattern
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FENa - Fractional Excretion of Sodium
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Pattern summary: --
This simplified interpretation is for education only and cannot replace full clinical assessment, urinalysis, imaging and nephrology consultation when needed.
Educational Disclaimer
The formulas are simplified and reference cutoffs may vary between sources. The tool is not a medical device and cannot be used for patient management decisions.