A set of terminology
and
that add to and are dependent on the
.
Notes
- An extension is created, structured, maintained, and distributed in accordance with
specifications and guidelines. - An extension consists of one or more
. All components and reference set members maintained in an extension include a module identifier that assigns them to a module in that extension. - SNOMED CT extensions may be created and maintained by
itself or by
or
to which SNOMED International has assigned a
. - Components that are created by Members or Affiliates are identified using
that include the
assigned to that organization. This ensures that they do not collide with other
, and can be traced to an authorized originator. Identifiers of extension components and reference set members created by SNOMED International are not required to include a namespace identifier. - Extensions released by SNOMED International contain components and reference set members that extend, rather than being an essential part of, the
. However, SNOMED CT International Extensions are considered to be part of the overall
.
may create, maintain, and distribute extensions to address specific national, regional, and language requirements.
may also create, maintain, and distribute extensions to meet the needs of particular software solutions and customers.
Alternatives
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