Nephrology · Internal Medicine
Fractional Excretion of Urea (Carvounis) calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
Complete all required inputs to calculate the score.
Formula inputs
- Urine urea (mg/dL)Accepted range: 0 to 10000
- Plasma urea (mg/dL)Accepted range: 0.1 to 1000
- Urine creatinine (mg/dL)Accepted range: 0.1 to 1000
- Plasma creatinine (mg/dL)Accepted range: 0.1 to 30
Primary source
Carvounis CP et al. Significance of the fractional excretion of urea in the differential diagnosis of acute renal failure. Kidney Int (2002)
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