Purpose
A 446609009 |Simple type reference set| allows a set of components to be specified for inclusion or exclusion for a specified purpose. This type of reference ret represents an extensional definition of a subset of SNOMED CT components. Thus it can be used to fully enumerate a subset of concepts, descriptions or relationships .
See also Query specification reference set, which can be used to represent an intensional definition of a subset of SNOMED CT components. In an intensional definition, the members of the subset are specified by rules rather than by enumerations (e.g. all subtypes of a specified concepts ).
Reference Set Data Structure
A Simple reference set does not have any addition fields.
Table 19. Simple Reference Set - Data Structure |
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Field | Data type | Purpose |
A 128 bit unsigned integer, uniquely identifying this reference set member . | ||
The inclusive date or time at which this version of the identified reference set member became the current version. | ||
The state of the identified reference set member as at the specified effectiveTime . | ||
Identifies the SNOMED CT module that contains this reference set member as at the specified effectiveTime . | ||
Identifies the reference set to which this reference set member belongs. | ||
A reference to the SNOMED CT component to be included in the reference set . |
Metadata
Simple References Sets are subtypes of 446609009 |Simple type reference set| in the metadata hierarchy.
Figure 8. Simple Reference Sets in the Metadata Hierarchy
Descriptor template
The table below shows the descriptor for a specific reference sets that follows the 446609009 |Simple type reference set| pattern.
Table 20. Refset Descriptor rows for 447566000 |Virtual medicinal product simple reference set| . |
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refsetId | referencedComponentId (Referenced component) | attributeDescription (Attribute description) | attributeType (Attribute type) | attributeOrder (Attribute order) |
0 |
Note: The table above omits the initial four columns of data present in the release file. These follow the standards versioning pattern id, effectiveTime, active, moduleId. Additionally, to aid understanding, the table above also shows the term from one of the descriptions associated with each of the identified concept. The release file only contains the identifier .
Simple reference set example
Table 21. Sample content from 447565001 |Virtual therapeutic moiety simple reference set| . |
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refsetId | referencedComponentId (Referenced component) |
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