Purpose
A
446609009 |Simple type reference set|
allows a set ofto be specified for inclusion or exclusion for a specified purpose. This type of
represents an extensional definition of a subset of SNOMED CT
. Thus it can be used to fully enumerate a subset of
,
or
.
See also, which can be used to represent an intensional definition of a subset of SNOMED CT
. In an intensional definition, the members of the subset are specified by rules rather than by enumerations (e.g. all subtypes of a specified
).
Reference Set Data Structure
A Simpledoes not have any addition fields.
Table 19. Simple Reference Set - Data Structure |
|
|
|---|---|---|
Field | Data type | Purpose |
A 128 bit unsigned Integer (data type), uniquely identifying this Different versions of a reference set member share the same id (field) but have different effectiveTime (field). This allows a reference set member to be modified or made active (field) (i.e. removed from the active set) at a specified time. | ||
The inclusive date or time at which this version of the identified The current version of this | ||
The state of the identified If active (field) = 1 (true) the | ||
Identifies the The value must be a | ||
Identifies the In this case, set to 900000000000456007 |Reference set descriptor| | ||
A reference to the |
Metadata
Simple References Sets areof
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 specificthat follows the
446609009 |Simple type reference set|
pattern.
Table 20. Refset Descriptor rows for 447566000 |Virtual medicinal product simple reference set| . |
|
|
|
|
|---|---|---|---|---|
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 (field), effectiveTime (field), active (field), active (field). Additionally, to aid understanding, the table above also shows thefrom one of the
associated with each of the identified
. The release file only contains the
.
Simple reference set example
Table 21. Sample content from 447565001 |Virtual therapeutic moiety simple reference set| . |
|
|---|---|
refsetId | referencedComponentId (Referenced component) |
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