Nephrology · Internal Medicine
Fractional Excretion of Urea (Carvounis) calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
mg/dL
Allowed range: 0–10000 mg/dL
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mg/dL
Allowed range: 0.1–1000 mg/dL
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mg/dL
Allowed range: 0.1–1000 mg/dL
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mg/dL
Allowed range: 0.1–30 mg/dL
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Result
4 fields remaining
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Clinical 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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