“…Similarly, there are no comparisons of reference laboratories using different instruments to analyze identical specimens or of performance of in‐clinic analyzers compared with that of reference laboratory analyzers measuring identical specimens. Discussions about QA, or the overall approach to ensuring a quality laboratory result that encompasses preanalytical, analytical, and postanalytical aspects, and QC, or the day‐to‐day practices to ensure analytical quality, and recommendations for various aspects of QA and QC have sporadically appeared in the literature . Recently, interest in QA and QC for in‐clinic laboratory testing has grown, and QC guidelines are recommended by various veterinary organizations…”