Fractional Excretion of Sodium (FENa)
Renal & Urology specialty tool
Bedside Tool Interface Configuration
Differentiates between pre-renal uremia, intrinsic acute tubular necrosis (ATN), and post-renal pathology.
Algorithm Checklist Parameters:
- Serum Sodium (S_Na) (mEq/L)
- Urine Sodium (U_Na) (mEq/L)
- Serum Creatinine (S_Cr) (mg/dL)
- Urine Creatinine (U_Cr) (mg/dL)
Primary Clinical Application:
Key test in acute kidney injury (AKI) diagnostic algorithm.