Learning Health Systems • Vol 9 • No 2
Assessing the harmonization of structured electronic health record data to reference terminologies and data completeness through data provenance
October 2024 • Keith Marsolo, Lesley H. Curtis, Laura G. Qualls, Jennifer Xu, Yinghong Zhang, Thomas Phillips, C. Larry Hill, Gretchen Sanders, Judith C. Maro, Dani…
Abstract Introduction (1) Assess the harmonization of structured electronic health record data (laboratory results and medications) to reference terminologies and characterize the severity of issues. (2) Identify issues of data completeness by comparing complementary data domains, stratifying by time, care setting, and provenance. Methods Queries were distributed to 3 Data Partners (DP). Using harmonization queries, we examined the top 200 laboratory results and medications by volume, identifying outliers and comp…