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Previously known as the “Technology Preview” Release status, this applies to a collection of SNOMED CT release files that represent a proposed addition of components and/or derivatives to the SNOMED CT International Release or to other items in the SNOMED International Service Catalog. The Alpha status indicates the releasing party (SNOMED International or the owner of the Extension) is only releasing these additional components or derivatives for review and testing by implementers and other stakeholders. The objective of an Alpha release is to test the chosen approach and elicit feedback before committing to the content and/or release format for the additional material. It is likely that, prior to publication of a Beta release, significant changes may be made to address the feedback received, and issues identified by testing.


  1. The Alpha release packages are distributed for evaluation purposes only.  They must not be used in production clinical systems or in clinical settings. 
  2. Alpha releases should not be distributed to Affiliate Licensees or any third parties before the relevant Production release.  
  3. The significance of Alpha releases is that the data should not be used in an operational environment that may incorporate the data into a record or create a dependency on continued maintenance of the additional components or derivatives. 


  • Alpha release
  • Alpha package

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