What are the 5 stages of CKD?

Once CKD is diagnosed it is important to determine the level of kidney function. The National Kidney Foundation has identified 5 stages of chronic kidney disease. Each stage represents a level of kidney function as defined by a creatinine clearance.

The 5 stages are:

• Stage 1 CrCl > 90
• Stage 2 CrCl 60-89
• Stage 3 CrCl 30-59
• Stage 4 CrCl 15-29
• Stage 5 CrCl <15 or dialysis

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