Fract Excr of Na (FENa)

PI Na

mmol/L

PI Creatinine

mg/dL

U Na

mmol/L

U Creatinine

mg/dL

F.E. Na

%

Formula

FE Na = (Na_urine*Creat_serum)/(Na_serum*Creat_urine)

Info

References:
Corwin HL. Arch Intern Med. 1984 May;144(5):981-2. -> PubMed