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This is a synonym for Metadata.


SNOMED CT content (including concepts, descriptions and relationships) that is used to describe or provide additional information about SNOMED content and derivatives (including reference sets).


All SNOMED CT metadata concepts are subtypes of 900000000000441003 |SNOMED CT Model Component (metadata)|. The top level of the metadata hierarchy represents broad groups of metadata as shown below.

Table 1: Top level of the SNOMED CT metadata hierarchy


  1. Concept enumerations, which use metadata concepts to represent values that are applied to particular fields in release files.
  2. Reference set types and reference set names, which are represented by metadata concepts that are subtypes of  900000000000455006 |Reference set (foundation metadata concept)|.


    • SNOMED CT Metadata

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