An inferred view of a concept definition from which redundant subtype relationships have been removed.
In January 2019, enhancements to concept definitions resulted a change in the view represented by the relationships file. The content of this file now represents the necessary normal form, rather than the distribution normal form. Therefore, this glossary definition is retained for historical purposes only.
Notes
- The distribution normal form allows non-redundant subtype relationships to readily display a hierarchical view of the terminology.
- The distribution normal form was distributed in the SNOMED CT relationship file until July 2018.
Alternatives
- DNF
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