Stages of chronic kidney disease (According to NFK - KDOQI 2002) Stage Description GFR (ml / min / 1, 73 m 2) 1 Kidney damage with normal or GFR ≥ 90 2 Kidney damage with mild GFR 60 - 90 3 Moderate GFR 30 - 59 4 Severe GFR 15 - 29 5 Kidney Failure <15 or dialysis 1.2.