Extending the coverage of phenotypes in SNOMED CT through post-coordination

Objectives To extend the coverage of phenotypes in SNOMED CT through post-coordination. Methods We identify frequent modifiers in terms from the Human Phenotype Ontology (HPO), which we associate with templates for post-coordinated expressions in SNOMED CT. Results We identified 176 modifiers, created 12 templates, and generated 1,617 post-coordinated expressions. Conclusions Through this novel approach, we can increase the current number of mappings by 50%.

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