Proteinuria Assessment Based on Urine Protein:Creatinine Concentration Ratioa

Substaging of Chronic Kidney Disease by Proteinuria Status

Urine Protein:Creatinine Concentration Ratio

Dogs

Cats

Nonproteinuric

< 0.2

< 0.2

Borderline proteinuric

0.2–0.5

0.2–0.4

Proteinuric

> 0.5

> 0.4

aBased on International Renal Interest Society (IRIS) guidelines.