Question

Describe 4 stages of chronic renal failure

Answer 1

Stage 1: GFR is >=90: Normal or increased GFR, with other evidence of kidney damage.

Stage 2: GFR is 60-89: Slight decrease in GFR, with other evidence of kidney damage.

Stage 3 (A): GFR is 45-59 & Stage 3 (B): GFR is 30-44; moderate decrease in GFR, with or without other evidence of kidney damage

State 4: GFR is 15-29; Severe decrease in GFR, with or without other evidence of kidney damage

When GFR is <15, Established renal failure, kidney transplant or dialysis is required.

*GFR is glomerular filtration rate, a measure of kidney function.