From http://www.renal.org/information-resources/the-uk-eckd-guide/ckd-stages:

Stage	GFR*	Description	Treatment stage
1	90+	Normal kidney function but urine findings or structural abnormalities or genetic trait point to kidney disease	Observation, control of blood pressure. More on management of Stages 1 and 2 CKD.
2	60-89	Mildly reduced kidney function, and other findings (as for stage 1) point to kidney disease	Observation, control of blood pressure and risk factors. More on management of Stages 1 and 2 CKD.
3A 3B	45-59 30-44	Moderately reduced kidney function	Observation, control of blood pressure and risk factors. More on management of Stage 3 CKD.
4	15-29	Severely reduced kidney function	Planning for endstage renal failure. More on management of Stages 4 and 5 CKD.
5	<15 or on dialysis	Very severe, or endstage kidney failure (sometimes call established renal failure)	Treatment choices. More on management of Stages 4 and 5 CKD.

* All GFR values are normalized to an average surface area (size) of 1.73m2

 

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The Compendium platform was created by David Kwinter, MD, CCFP(EM).

Dr. Kwinter is a Cayman Family Doctor. He runs a Family Medicine Clinic at Cayman Medical in George Town, Grand Cayman, Cayman Islands.