Interoperability in the Wild: Comparison of Real-World Electronic C-CDA Documents from Two Sources.

Stud Health Technol Inform

Center for Biomedical Informatics, Regenstrief Institute, Indianapolis, Indiana, USA.

Published: January 2024

Although health information exchange (HIE) networks exist in multiple nations, providers still require access multiple sources to obtain medical records. We sought to measure and compare differences in data presence and concordance across regional HIE and EHR vendor-based networks. Using 1,054 randomly selected patients from a large health system in the US, we generated consolidated clinical document architecture (C-CDA) documents from each network. 778 (74%) patients had at least one C-CDA document present from either source. Among these patients, two-thirds had information in only one source. All documents contained demographics, but less than half of patients had data in clinical data domains. Moreover, data across HIE networks were not concordant. Results suggest that HIE networks have different, likely complementary, data available for the same patient, suggesting the need for better integration and deduplication for national HIE efforts.

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Source
http://dx.doi.org/10.3233/SHTI230924DOI Listing

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