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
- Concept enumerations, which use metadata concepts to represent values that are applied to particular fields in release files.
- 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