Renal function
Fractional excretion of urea (FEUrea)
Use in diuretic-treated patients; cut-off ≤35% suggests pre-renal.
Required inputs
- Urine urea
- Serum BUN
- Urine creatinine
- Serum creatinine
Equation or source
Carvounis CP, Kidney Int 2002;62:2223.
Renal function
Use in diuretic-treated patients; cut-off ≤35% suggests pre-renal.
Carvounis CP, Kidney Int 2002;62:2223.