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If the answer to both these questions is "yes", then the organization should submit a request to the National Release Center for the addition of the required content into the National Edition. If the answer to one or both of these questions is "no", it should be considered for inclusion in a local extension. In a situation where the request is considered to be out of the scope of SNOMED CT, it may be rejected.
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Considerations relating to appropriateness of content at various levels |
Relevance of requested content | Description | ||||||||
Within the scope of the International Edition | If the content requested is within the scope of the International Edition, the organization should request that the content should be added to the International Edition. As SNOMED CT is a global clinical terminology, the scope of the International edition of SNOMED CT is constrained by a set of principles. For inclusion in the International edition, concepts must be
If there is an urgent need for additional content, it may be added to an extension as an interim measure, pending addition to the International Edition. For more information, please refer to Interim content additions below. | ||||||||
Within the scope of another extension, (National, third-party, or local extension) but outside the scope of the International Edition. | The scope of a national edition may permit the addition of content which falls outside the scope of the International Edition but is required within a country, region or territory. If the content requested is within the scope of a national edition, a request should be submitted to the relevant National Release Center. An organization may also use an extension which was produced by another organization, such as a vendor, regional body or specialist group. In this case, requests for content which fall within the scope of these extensions should be submitted to the relevant extension producer. When there is an urgent need for additional content, it may be added to an extension as an interim measure, pending addition to a national edition or externally maintained extension. For more information, please refer to Interim content additions below. | ||||||||
Outside the scope of other extensions, but relevant to the organization requesting the content. | An organization which maintains an extension is responsible for defining the scope of that extension. The scope of an extension should not overlap with the scope of the International Edition or any other extension with modules on which the extension modules depend on. Note that urgent content additions may be permitted as an interim measure, even when the content is within the scope of another edition or extension. For more information. please refer to Interim content additions below. Requested content which falls within the defined scope of an extension may be added by the organization which maintains the extension. For additional information about adding local content to an extension, please refer to 5.4 Authoring. | ||||||||
Outside the scope of SNOMED CT | The request is rejected |
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