Chronic Kidney Disease: eGFR and classification

Question 1

Criteria for stage 1 CKD

Answer 1

GFR greater than 90ml/min, with some signs of kidney damage on other tests (if all kidney tests are normal, there is no CKD)

Question 2

Critera for stage 2 CKD

Answer 2

60-90ml/min, with some sign of kidney damage (if kidney tests are normal, there is no CKD)

Question 3

Criteria for stage 3a CKD

Answer 3

45-59ml/min, with moderate reduction in kidney function

Question 4

Criteria for stage 3b CKD

Answer 4

30-44ml/min, with moderate reduction in kidney function

Question 5

Criteria for stage 4 CKD

Answer 5

15-29ml/min, with a severe reduction in kidney function

Question 6

Criteria for stage 5 CKD

Answer 6

less than 15ml/min, established kidney failure- dialysis or kidney transplant may be needed