We send out to MSU. It's about $90 plus whatever the vet charges for collection and shipping. From their website:
"...This panel consists of antibody titers for the following organisms: Borrelia burgdorferi (Lyme), Babesia canis and gibsoni, Ehrlichia canis, Anaplasma phagocytophilum, and Rickettsia rickettsii (Rocky Mountain Spotted Fever)...."
That pretty much covers this area.