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The SNOMED CT logical model defines the way in which each type of SNOMED CT component and derivative is related and represented. The core component types in SNOMED CT are concepts, descriptions and relationships. The logical model therefore specifies a structured representation of the concepts used to represent clinical meanings, the descriptions used to refer to these, and the relationships between the concepts.
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Logical Model Overview
Concepts
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Example of descriptions for a single concept (US - English)
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Example of attribute relationships
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Example of|is a|relationships
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Illustration of SNOMED CT subtype hierarchy and terms used to describe it
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Example of defining relationships
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Example of erroneous relationships
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