Fractional Excretion Sodium Calculator (mmol) Estimate FENa (%) using urine sodium, serum sodium, urine creatinine, and serum creatinine values. Designed for rapid AKI bedside interpretation support. Urine Sodium Urine Sodium Unit mmol/LmEq/L Serum Sodium Serum Sodium Unit mmol/LmEq/L Urine Creatinine…
Fractional Excretion Phosphate Calculator Estimate renal phosphate handling using serum and urine phosphate plus creatinine values. Serum Phosphate Serum Phosphate Unit mg/dLmmol/L Urine Phosphate Urine Phosphate Unit mg/dLmmol/L Serum Creatinine Serum Creatinine Unit mg/dLµmol/L Urine Creatinine Urine Creatinine Unit mg/dLµmol/L…
Fractional Excretion of Urea Nitrogen Calculator Estimate FEUrea quickly for AKI assessment. Enter matched serum and urine values from the same time period. Serum Urea / BUN Serum Unit Type BUN or Urea NitrogenUrea (not nitrogen) Urine Urea / UUN…
Fractional Excretion of Sodium Calculator (SI Units) Estimate FENa (%) from paired plasma and urine sodium plus creatinine values. Optimized for SI workflows and bedside interpretation. Plasma Sodium Plasma Sodium Unit mmol/LmEq/L Urine Sodium Urine Sodium Unit mmol/LmEq/L Plasma Creatinine…
Fractional Excretion of Sodium Calculator Estimate FENa (%) to support acute kidney injury evaluation using spot urine and serum lab values. Serum Sodium Urine Sodium Serum Creatinine Urine Creatinine Sodium Unit mmol/LmEq/L Creatinine Unit mg/dLmicromol/L Recent Diuretic Use NoYes or…
Fractional Excretion of Phosphate (FEPO4) Calculator Estimate renal phosphate handling using paired serum and urine phosphate and creatinine values. Serum Phosphate mg/dLmmol/L Urine Phosphate mg/dLmmol/L Serum Creatinine mg/dLµmol/L Urine Creatinine mg/dLmmol/L Calculate FEPO4 Reset Enter values and click Calculate FEPO4…
Fractional Excretion of Phosphate Calculator (SI Units) Calculate FEPO4 using serum and urine phosphate and creatinine values in SI units. Formula: FEPO4 (%) = (Urine PO4 × Serum Cr) / (Serum PO4 × Urine Cr) × 100 Serum Phosphate (mmol/L)…
Fractional Excretion of Na Calculator Estimate FeNa (%) to support AKI pattern recognition using urine and serum laboratory values. Serum Sodium Serum Sodium Unit mEq/Lmmol/L Urine Sodium Urine Sodium Unit mEq/Lmmol/L Serum Creatinine Serum Creatinine Unit mg/dLmicromol/L Urine Creatinine Urine…
Fractional Excretion of Magnesium (FEMg) Calculator Estimate renal magnesium handling with an evidence-based formula used in nephrology and critical care. Serum Magnesium mg/dLmmol/L Urine Magnesium mg/dLmmol/L Serum Creatinine mg/dLµmol/L Urine Creatinine mg/dLµmol/L Ultrafilterable Mg Correction Use 0.7 correction factor (recommended)Do…
Fractional Excretion of Magnesium Calculator Estimate FEMg (%) to help evaluate renal versus extrarenal magnesium loss in hypomagnesemia workups. Serum Magnesium Serum Magnesium Unit mg/dLmmol/L Urine Magnesium Urine Magnesium Unit mg/dLmmol/L Serum Creatinine Serum Creatinine Unit mg/dLµmol/L Urine Creatinine Urine…