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Use of Cystatin C to Assess Kidney Function


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How Is Chronic Kidney Disease (CKD) Defined?

Slide 6

August 2011

There are 2 ways that a person can be diagnosed with chronic kidney disease. The first criterion requires the presence of kidney damage for more than 3 months, as defined by structural or functional abnormalities, with or without any decrease in GFR. This could include pathological abnormalities confirmed on a kidney biopsy. Alternatively,  markers other than an elevated creatinine can indicate kidney damage on lab testing. An example would be an abnormal urinalysis. The second criterion for chronic kidney disease is a little simpler. Anyone with a GFR less than 60 mL per minute per 1.73 m2 meets criterion for chronic kidney disease.

How Is CKD Defined?


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