P plasma:
mg/dL
P orina:
mg/dL
Cr:
mg/dL
Cr orina:
mg/dL
EFF
Sospecha de alteración tubular si EFF < 0,2
RTF
Sospecha de alteración tubular si RTF < 0,8
Wallach J. Interpretation of Laboratory Tsts, 6th ed. Little Brown 1996; p.549.