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FEUrea Calculator
Calculate Fractional Excretion of Urea (FEUrea) for AKI differential diagnosis
FEUrea Formula: $\text{FEUrea (\%)} = 100 \times \frac{\text{Urine Urea} \times \text{Serum Creatinine}}{\text{Serum Urea} \times \text{Urine Creatinine}}$. Enter laboratory values below.
Laboratory Parameters Input
Calculation Results
⚠️ Not medical advice. For nephrology, critical care, and clinical reference only. Acute kidney injury (AKI) evaluation and fluid management must be overseen by a qualified physician or nephrologist.