Using SNOMED CT as a Mediation Terminology: Mapping Issues, LessonsLearned, and Next Steps Toward Achieving Semantic Interoperability

3rd International Conference on Knowledge Representation in Medicine

计算机科学;图书情报档案学

Sarah Maulden ; Patty Greim ; Omar Bouhaddou ; PradnyaWarnekar ; Laura Megas ; Fola Parrish, PharmD ; Michael J. Lincoln

Others  :  http://CEUR-WS.org/Vol-410/Paper15.pdf
PID  :  25183

来源: CEUR

【 摘 要 】

The Clinical Data Repository / Health DataRepository (CHDR) project is a combined effort ofthe Department of Veterans Affairs (VA) and theDepartment of Defense (DoD) to exchange clinical information between our Electronic Health Records(EHR). CHDR exchanges standardized, computabledata, as opposed to textual data that is only humanreadable. CHDR utilizes mediation terminologies forhealth data exchange.For allergy reactions data,CHDR uses SNOMED CT in conformance with Health Information Technology StandardizationPanel (HITSP) recommendations. This paper reportshow we implemented this solution.Business rules for mapping allergy reactions wereestablished jointly. Each agency independentlymapped its legacy data to the sameversion ofSNOMED CT. CHDR has since been implemented inseven locations where VA and DoD have jointpatient care environments. Statistics on actual patientdata from February-June 2007 showed a 74-99%mediation success rate for allergy reactions data.Examination of mediation failures exposed issuesrelated to mapping and SNOMED CT conceptmodeling. In addition, we emphasize the significanceof adherence to a detailed terminology mediationstrategy, desirability of a standard SNOMED CT- based subset for allergy reactions, and the creation of this subset for publication and distribution.