SNOMED CT Document Library
Each SNOMED CT component is managed and maintained in a module identified by its moduleId field.
A SNOMED CT module is defined as
a group of SNOMED CT components and/or reference set members managed, maintained, and distributed as a unit.
NotesComponents and reference set members that are part of the same module share the same moduleId value.All modules, except the
SNOMED CT model component module|
, have dependencies on other modules specified by the Module Dependency Reference Set.components and reference set members, that are part of the same module, share the same moduleId value.components and reference set members are part of only one module, at any given time.The organization responsible for maintaining an extension must:create and maintain at least one module identified by a moduleId that it has created;apply a moduleId that it has created to all components and reference set members in its extension;manage and distribute information about the dependencies of its modules in accordance with SNOMED CT specifications.The organization responsible for maintaining an extension may:create and maintain multiple modules;organize its components and reference set members within the modules it manages in a way that best meets its business needs;move a component or reference set member between its modules by creating a revised version of that component or reference set member with a different moduleId (It is then part of the new module from the effectiveTime of the revised version).Components and reference set members may be moved between modules maintained by different organizations. However, such moves must only be made:with the consent of the organizations responsible for both the source and target modules; andin accordance with rules specified by SNOMED International.
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