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An Investigation of the Representation of Social Determinants of Health in the UMLS.

Rawat BPS, Keating H, Goodwin R, Druhl E, Yu H. An Investigation of the Representation of Social Determinants of Health in the UMLS. AMIA ... Annual Symposium proceedings. AMIA Symposium. 2023 Apr 29; 2022:912-921.

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Abstract:

Social Determinants of Health (SDOH) are the conditions in which people are born, live, work, and age. Unified Medical Language System (UMLS) incorporates SDOH concepts; but few have evaluated its coverage and quality. With 15,649 expert-annotated SDOH mentions from 3176 randomly selected electronic health record (EHR) notes, we found that 100% SDOH mentions can be mapped to at least one UMLS concept, indicating a good coverage of SDOH. However, we discovered a few challenges for the UMLS''s representation of SDOH. Next, we developed a multi-step framework to identify SDOH concepts from UMLS, and a clinical BERT-based classification algorithm to assign each identified SDOH concept to one of the six general categories. Our multi-step framework extracted a total of 198, 677 SDOH concepts from the UMLS and the SDOH category classification system attained an accuracy of 91%. We also built EASE: an open-source tool to xtrct DOH from HRs.




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