A Nationwide Study on Pretransfusion Testing for 10 Years in Korea Using Health Insurance Review and Assessment Claims Data

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BACKGROUND: Assessing pretransfusion testing utilization at medical institutions on a nationwide scale can be challenging. This study aimed to evaluate the status of pretransfusion testing in Korea by analyzing insurance claims data. METHODS: We identified all claims including pretransfusion testing or blood transfusion made between January 2011 and December 2020 from the Korean Health Insurance Review and Assessment Service database. ABO/RhD typing, antibody screening and identification, and crossmatching were analyzed according to the hospital type. RESULTS: < 0.001). For the first red blood cell (RBC) transfusion for each patient at each hospital, 71.5% of the patients from primary hospitals and 68.3% of the patients from clinics received RBC transfusion after only crossmatching without antibody screening. CONCLUSION: The application of pretransfusion testing considerably differs according to the type of hospital in Korea. Primary hospitals and clinics need education and improvement in practice to pursue safe blood transfusion.

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