Data Analytics with SNOMED CT

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Where available, the recommended approach is to use a description logic reasoner to calculate subsumption between expressions. However, comparing normal form expressions provides an alternative approach when a reasoner is not available. For more information on these approaches, please refer to Expression Retrieval and Normal Forms Query Expressions in the SNOMED CT Terminology Services GuidePractical Guide to Postcoordination.

Case Studies

A number of vendor products use the SNOMED CT hierarchy to support subsumption testing in their analytics services, including the Cerner Millennium Terminology (CMT) package and Epic's decision support and reporting tools. Terminology servers that provide the ability to perform subsumption testing include B2i Healthcare's Snow Owl® terminology server. The UK Terminology Centre's Data Migration Workbench also uses subsumption testing in its query tool, and its case mix and caseload trends analysis tools.

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