Purpose
A 900000000000506000 | Language type reference set| supports the representation of language and dialects preferences for the use of particular descriptions. The most common use case for this type of reference set is to specify the acceptable and preferred terms for use within a particular country or region. However, the same type of reference set can also be used to represent preferences for use of descriptions in a more specific context such as a clinical specialty, organization or department.
Data structure
A Language reference set is a Component reference set that is used to indicate which descriptions contain terms that are acceptable or preferred in a particular language or dialect . Its structure is shown in the following table.
|
Field |
Data type |
Purpose |
|---|---|---|
|
A 128 bit unsigned Integer, uniquely identifying this reference set member . Different versions of a reference set member share the same id but have different effectiveTime. This allows a reference set member to be modified or made active (i.e. removed from the active set) at a specified time. |
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The inclusive date or time at which this version of the identified reference set member became the current version. The current version of this reference set member at time T is the version with the most recent effectiveTime prior to or equal to time T . |
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The state of the identified reference set member as at the specified effectiveTime . If active = 1 (true) the reference set member is part of the current version of the set, if active = 0 (false) the reference set member is not part of the current version of the set. |
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Identifies the SNOMED CT module that contains this reference set member as at the specified effectiveTime . The value must be a subtype of 900000000000443000 | Module (core metadata concept)| within the metadata hierarchy . |
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Identifies the reference set to which this reference set member belongs. In this case, a subtype of 900000000000506000 | Language type reference set| . |
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The identifier of a description included in the language reference set . |
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A subtype of 900000000000511003 | Acceptability| indicating whether the description is acceptable or preferred for use in the specified language or dialect . |
In a Language reference set :
- No more than one description of a specific description type associated with a single concept may have the acceptabilityId value 900000000000548007 | Preferred| .
- At least one description of description type synonym associated with each concept should have the acceptabilityId value 900000000000548007 | Preferred| . This is the preferred term for that concept in the specified language or dialect .
Metadata
The following metadata supports this reference set :
The immediate children of | Language type| will be languages. This level may be used to represent the "correct" language, where a language authority exists. In most cases, however, this level is likely to be empty.
Descriptor template
The table below shows an example of the descriptor for a specific reference sets that follows the 900000000000506000 | Language type reference set| pattern.
|
refsetId |
referencedComponentId (Referenced component) |
attributeDescription (Attribute description) |
attributeType (Attribute type) |
attributeOrder (Attribute order) |
|
|---|---|---|---|---|---|
|
0 |
|
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|
1 |
|
Note: The tables above omit the initial four columns of data present in the release file. These follow the standards versioning pattern id, effectiveTime, active, active. Additionally, to aid understanding, the tables above also show the term from one of the descriptions associated with each of the identified concept. The release file only contains the identifier .
Examples of language reference sets
|
refsetId |
referencedComponentId (Description in dialect) |
acceptabilityId (Acceptability) |
|---|---|---|
|
42969009 | Fulguration of subcutaneous tissue {id:71695017}| |
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|
refsetId |
referencedComponentId (Description in dialect) |
acceptabilityId (Acceptability) |
|
42969009 | Fulguration of subcutaneous tissue {id:71695017}| |
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In the above examples, 80146002 | Excision of appendix| is acceptable in both US and GB English. However, 80146002 | Appendectomy| is preferred in US English and 80146002 | Appendicectomy| is preferred in GB English.
Note: Any description which is not referenced by an active row in the relevant language reference set is regarded as unacceptable (i.e. not a valid synonym in the language or dialect ).
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