Whenever a new description is added to SNOMED CT, the language preferences associated with that description must also be specified. Naturally this applies to extension specific descriptions which have been added to establish a preferred term within a country or region. When used in a national or local edition, this specification can override the language preferences established in the International Edition. The technical specifications are defined by adding the associated rows to a language reference set to indicate a description is acceptable or preferred in a particular language or dialect.
Attributes
As previously mentioned, all reference sets use six common attributes. Language reference sets use one additional attribute which is acceptabilityId. A description of how these attributes are applied to language sets is provided in below.
| Attribute | Data type | Comment(s) |
|---|---|---|
| The first four attributes of the language refset are used in the same way across all reference sets. | ||
| id | UUID | Can be generated using a generic UUID generator |
| effectiveTime | Time | Specifies the specific version of the refset member |
| active | Boolean | Indicates if the specific version of the refset member is active or not. The value is most often true for the first version of a refset member. The only exception would be if an incorrect dependency released earlier was corrected. |
| moduleId | SCTID | Identifies the module that this refset member belongs to. This will be a module within the extension. |
| The next three attributes have specific implications when used in a language refset. | ||
| refsetId | SCTID | The refsetId points to the previously generated reference set identification concept which specifies the relevant language or dialect. This may be an existing language refset in a module on which the extension module depends, or a language refset created in the extension module. |
| referencedComponentId | SCTID | The referencedComponentId attribute is set to indicate the description specified by this refset row. This links the refset row to the description which is specified by the language refset row. |
| acceptabilityId | SCTID | The acceptabilityId attribute indicates the acceptability of the description referenced in referencedComponentId for a specified language, dialect or use case. The attribute value must be a descendant to the concept | Acceptability| such as | Acceptable| or | Preferred| . |
Example
below shows two rows from the
20581000087109
|
Canada French language reference set|
, 20170430. Note that these rows are associated with language specific descriptions for the concept
|
Herpes labialis|
.
- The id column shows a UUID has been generated for each refset member
- The moduleId indicates that these refset members are included in the | Canada Health Infoway French module|
- The refsetId column indicates that both members are part of the
|
Canada French language reference set|
- Note that if this reference set must have been created prior to adding these reference set rows
- For more information on this please refer to 4.3.2.2 Reference Set Identification
- The referencedComponentId column indicates the descriptions that these rows are specifying
- These link back to descriptions of type fully specified name and synonym
- Lastly the acceptabilityId column indicates that both of these descriptions are | Preferred| in this language
- The Canadian French extension, 20170430 establishes a preferred fully specified name and synonym for the concept | Herpes labialis|
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