The vet does get the blood. I would suggest that you drop a PM to Bev/Gus, Tommy/Squirrel, Linda/Guinness, Libby/Lucy -- Jazzy is her acro cat -- or Julie/Punkin (when she's back). They can walk you through the process. The lab at MSU only processes the blood one day/week so it helps to time the shipment. There's info on the MSU website as to how much blood is needed, how to ship, and exactly where to ship to so things don't sit on a loading dock for a week.