Enter your cat's bloodwork values to determine the IRIS CKD stage. Free tool — no signup required.
From your cat's blood panel. Units: mg/dL.
More sensitive than creatinine. If available, use both.
The International Renal Interest Society (IRIS) classifies chronic kidney disease in cats into four stages based on blood creatinine and SDMA levels. Staging helps veterinarians and owners understand the severity of kidney function loss and guide treatment decisions.
This calculator is a quick reference tool. It does not replace a veterinary diagnosis. Always discuss staging and treatment plans with your veterinarian.