The most common indications for vancomycin included infections involving the integument (10/41, 24.4%) or hepatobiliary systems (8/41, 19 .5%), endocarditis (6/41, 14.6%) , and infected orthopedic implants (6/41, 14.6% The medical records data base (IDEXX) was searched for feline cases that had blood evaluated in a PCR assay that amplifies DNA of Bartonella spp. and also had results available from a complete blood cell count completed concurrently.