Is 2.1 Creatinine Considered "stage 2 Ckd"?

[daniel625]

Because some sites show the ranges of Creatinine, and under "Stage 2", they show it to be something like between 2.1-5.0 or something.

 

[cat nap]

This website has the most comprehensive information:
Tanya's Comprehensive Guide to Feline Chronic Kidney Disease - How Bad Is It?
(It lists Stage 2, as Creatinine between 1.6 and 2.8 (mg/dl).