Kidney Disease Staging Calculator for Dogs & Cats
Turn your pet's blood and urine results into a clear IRIS kidney stage, in plain English.
1
Choose your pet
2
Enter results
Main staging value
Ideally taken fasted, when your pet is well hydrated.
Optional · catches early disease
µg/dL
If SDMA points to a higher stage than creatinine, this tool uses the higher of the two.
Optional · substaging
ratio
Optional · substaging
mmHg
Enter a creatinine or SDMA value to calculate a stage.
See the IRIS staging thresholds
Staging should be confirmed on a stable, well-hydrated pet, ideally on more than one occasion.
Substaging applies at every stage:
This calculator is an educational tool based on IRIS staging guidance. It does not diagnose kidney disease or replace a veterinary assessment. Staging should be confirmed by your veterinarian using repeat measurements in a stable, well-hydrated patient.