Lyme Ab+ANA Ab+EHR Ab+HW Ag Rapid Combo Test Kit is a lateral flow-based immunoassay for the in vitro qualitative detection of antibodies against Lyme, Anaplasma spp. (ANA), and Ehrlichia canis (EHR) in serum and plasma samples; and Heartworm (HW) antigens in canine serum, plasma and whole blood samples.