Analysis of laboratory data transmission between two healthcare institutions using a widely used point-to-point health information exchange platform: a case report
Hung S Luu, Walter S Campbell, Raja A Cholan, Mary E. Edgerton, Andrea Englund, Alana Keller, Elizabeth D. Korte, Sandra H Mitchell, Greg T Watkins, Lindsay Westervelt, Daniel Wyman, Stephen Powell
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Abstract
Abstract Objective The objective was to identify information loss that could affect clinical care in laboratory data transmission between 2 health care institutions via a Health Information Exchange platform. Materials and Methods Data transmission results of 9 laboratory tests, including LOINC codes, were compared in the following: between sending and receiving electronic health record (EHR) systems, the individual Health Level Seven International (HL7) Version 2 messages across the instrument, laboratory information system, and sending EHR. Results Loss of information for similar tests indicated the following potential patient safety issues: (1) consistently missing specimen source; (2) lack of reporting of analytical technique or instrument platform; (3) inconsistent units and reference ranges; (4) discordant LOINC code use; and (5) increased complexity with multiple HL7 versions. Discussion and Conclusions Using an HIE with standard messaging, SHIELD (Systemic Harmonization and Interoperability Enhancement for Laboratory Data) recommendations, and enhanced EHR functionality to support necessary data elements would yield consistent test identification and result value transmission.
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