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Renal

Fractional Excretion of Sodium

Differentiates prerenal vs intrinsic renal AKI

Calculate FENa

References

  • Espinel CH. JAMA 1976;236:579-581

Related Renal Calculators

eGFR (CKD-EPI 2021)

Estimated glomerular filtration rate using CKD-EPI 2021 equation (race-free)

Creatinine Clearance (Cockcroft-Gault)

Estimated creatinine clearance for drug dosing

Free Water Deficit

Free water deficit in hypernatremia

KDIGO AKI Staging

Acute kidney injury staging

Related Clinical Pathways

Acute Kidney Injury (AKI) Management (KDIGO)

Management

Chronic Kidney Disease (CKD) Evaluation & Management (KDIGO 2024)

Management

Contrast-Induced AKI Prevention (ACR/NKF)

Risk Assessment

Glomerulonephritis Evaluation (KDIGO 2021)

Diagnostic

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Pathway

Acute Kidney Injury (AKI) Management (KDIGO)

Acute Kidney Injury (AKI) Management (KDIGO)

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