Abstract
Point-of-care testing (POCT) is a complex system with many opportunities for error. Delivering quality POCT requires multidisciplinary coordination and an understanding of the preanalytic, analytic, and postanalytic processes that are necessary to deliver a test result and take clinical action. Most errors in laboratory testing occur in the pre and postanalytical phases and many mistakes that are referred to as lab error are actually due to poor communication, actions by others involved in the testing process, or poorly designed processes outside the laboratory's control. POCT requires significant operator interaction with analysis and documentation of calibration and quality control, unlike other medical devices. Clinicians often interpret POCT as equivalent to core laboratory testing, only faster, and mistakenly utilize the results interchangeably despite the differences in test methodologies. Taking quality of POCT to the next level involves looking beyond the analytical phase and integration of POCT into the entire pathway of patient care to understand how POCT relates to medical decision-making at specific points during the patient's care. A systematic review of the literature by the National Academy of Clinical Biochemistry is currently being conducted to draft guidelines for best practice that link the use of POCT to improved patient outcomes.
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