CKD stage | Description | GFR (ml/min/1.73 m2) |
---|---|---|
1 | Kidney damage with normal or increased kidney function | ≥ 90 |
2 | Kidney damage with mildly diminished kidney function | 60 – 89 |
3 | Moderately reduced kidney function | 30 – 59 |
4 | Severely decreased kidney function | 15 – 29 |
5 | Kidney failure | < 15 |