Obtaining a Blood Sample

Different Sites Can Tested:

For Cat

• Ear –It works well with cats, which have a strong supply of blood vessels in the margin of the ear. It can be done with some dogs but usually isn’t the best place to start.

For Dog

• Upper lip (the inside, outside, or edge of the upper lip) – Often used with medium to large dogs but can also be used with small dogs. A lancing device usually works well here.
• Back at base of tail – Where most small dogs being tested. May need to use a lance freehand.
• Elbow callous – For medium to large dogs. Usually have to use the lance freehand.

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