The geriatric blood panel just tests for more things, Thumpy. It checks organ function more thoroughly and usually things like thyroid levels. As our dogs are getting older, we've started doing the geriatric panels on some of them yearly, just to keep ahead of the inevitable health issues.... They are, of course, more expensive than just a CBC.
"We are--each of us--dying; it's how we live in the meantime that makes the difference."
"It's not what you gather, but what you scatter that tells what kind of life you have lived!"
"Be kinder than necessary, for everyone you meet is fighting some kind of battle."