Alternative to FENa when on diuretics
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Other evidence-based tools commonly used alongside this calculator
Creatinine Clearance (Cockcroft-Gault)
For drug dosing adjustments - NKF recommended for research only
eGFR Calculator (NKF Guidelines)
Comprehensive eGFR calculator with CKD staging per National Kidney Foundation
Kidney Failure Risk Equation (KFRE)
2-year and 5-year risk of kidney failure (NKF recommended)
Fractional Excretion of Sodium (FENa)
Differentiates prerenal from intrinsic AKI
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