Stages

Description

GFR (ml/min/1.73m²)

1

CKD* with normal renal function

≥90

2

CKD* with mild renal failure

60 - 89

3A

Moderate renal failure

45 - 59

3B

Moderate renal failure

30 - 44

4

severe renal failure

15 - 29

5

End-stage renal failure

<15