About this result × eGFR Levels Stage GFR* Description 1 90+ Normal kidney function but urine findings or structural abnormalities or genetic trait point to kidney disease 2 60-89 Mildly reduced kidney function, and other findings (as for stage 1) point to kidney disease 3A 3B 45-59 30-44 Moderately reduced kidney function 4 15-29 Severely reduced kidney function 5 <15 or on dialysis Very severe, or end-stage kidney failure
