alt Hacker NewsAlways follow the manufacturer’s instructions. Most CGMs are going on the back of the upper arm but some were put on the lower back, or other places. The manufacturer develops the CGM with a very specific placement in mind and they make sure to tell you very clearly.
My parents dog has diabetes and since they failed to draw blood from his ear he got the freestyle libre 2. The vet just put it near his shoulder. I'm not sure how accurate this is...