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 |