Table 13

Stages of CKD

StageDescriptionGFR (ml/min per 1.73 m2 body surface area)
1Kidney damage* with normal or increased GFR≥90
2Kidney damage* with mildly decreased GFR60–89
3Moderately decreased GFR30–59
4Severely decreased GFR15–29
5Kidney failure<15 or dialysis
  • * Kidney damage defined as abnormalities on pathologic, urine, blood, or imaging tests. Adapted from ref. 317.