Merck Manual

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Substages of Chronic Kidney Disease Based on Proteinuria

Substages of Chronic Kidney Disease Based on Proteinuria

Substagea

N

BP

P

Nonproteinuric

Borderline

Proteinuric

Dogs

<0.2b

0.2–0.5

>0.5

Cats

<0.2

0.2–0.4

>0.4

a Stages are as recommended by the International Renal Interest Society.

b Urine protein:creatinine ratio