Position paper of DGKL and DIVI on requirements for laboratory services in intensive care and emergency medicine

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The timely determination and evaluation of laboratory parameters in patients with acute life- or organ-threatening diseases and disease states in the emergency room or intensive care units can be essential for diagnosis, initiation of therapy, and outcome. The aim of the position paper is to define the time requirements for the provision of laboratory results in emergency and intensive care medicine. Requirements for point-of-care testing (POCT) and the (central) laboratory can be derived from the urgency. Expert groups from the DGKL (Deutsche Gesellschaft für Klinische Chemie und Laboratoriumsmedizin) and DIVI (Deutsche Interdisziplinäre Vereinigung für Intensiv- und Notfallmedizin) developed a classification about the urgency for the determination of laboratory parameters as well as recommendations on the necessary organizational framework and quality assurance measures using national and international guidelines, review articles, and original papers. Three levels of urgency are defined, based on the turnaround time of the most common laboratory parameters: emergency 1, with a turnaround time of no more than 15 min; emergency 2, with a turnaround time of a maximum of 60 min; urgent case, with a turnaround time within 4 h. In addition, a recommendation is made when to provide the results for the main ward rounds in the intensive care unit and the emergency department. The recommendations allow the organizational and technical regulations for each hospital to be aligned with the urgency of the provision of the test results to the medical team based on the medical requirements.