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Local sets are a new construct for the creation of sets of concepts, similar to reference sets, but do not exist within a released or published edition or extension of SNOMED CT. This will give users without extensions or releases, the ability to create these sets of concepts and distribute them without having to create a SNOMED release.
Local sets look very similar to reference sets but have the following different characteristics:
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If the user wants to include these sets in a SNOMED release, then they would need to recreate the set as a reference set, with a valid refset id, namespace and module id, which in itself, means that they would need to have an initial release to include the reference set.
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