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Dear Members, 

The September 2018 DEMONSTRATION release of the SNOMED CT® International Edition is now available to SNOMED International Members, from the MLDS distribution site.

This DEMONSTRATION release provides Members with the opportunity to have an early view of the proposed OWL file changes, in order to help our community to evaluate their tooling, systems and release processes.  The new OWL Axiom reference set represents all stated relationships and all new description logic features, such as general concept inclusion (GCI) axioms and additional axioms.  Please note that the content modeling is still a work-in-progress and these examples are being provided for demonstration purposes only and are not necessarily reflective of content that will be in the January 2019 or July 2019 Releases.  The complete OWL axiom refset will be available on request in the January 2019 release. The complete OWL axiom refset will be mandatory from the July 2019 release onwards.

The DEMONSTRATION release package is distributed for evaluation purposes only. It must not be used in production clinical systems or in clinical settings, or distributed to Affiliate Licensees or any third parties at this time.  

All files distributed to SNOMED International Members for the September 2018 DEMONSTRATION Release are available from the  “September 2018 DEMO v0.1” version in the “Offline & Alpha/Beta versions” section of the “SNOMED CT International Edition” project, which can be found on the “IHTSDO Releases” page in MLDS, accessed here (please ensure that you login to MLDS first): 

          https://mlds.ihtsdotools.org/#/ihtsdoReleases

The SNOMED CT DEMONSTRATION release contains SNOMED CT files in Release Format 2 (RF2) only, distributed in a zipped file archive (the Release Notes are located separately in the same repository as normal):

  • xSnomedCT_InternationalRF2_DEMONSTRATIONRelease_20180921T120000Z.zip

The SNOMED CT International Edition Release Notes can also be accessed online:

SNOMED CT DEMONSTRATION Release package Release Notes - September 2018

Please see the Early Visibility confluence page, to remind yourselves of all of schedule of the upcoming changes in this release, to be included in the Production version of the International Edition: 

Early Visibility - Planned changes to upcoming SNOMED International Release packages

If you have any questions about the September 2018 DEMONSTRATION release, or have difficulties downloading this file, please contact SNOMED International at support@snomed.org with “September 2018 DEMONSTRATION release question” in the subject line. 

Any feedback on the DEMONSTRATION release files must be submitted as early as possible, but certainly before 5th October 2018.


Kind regards, 

Andrew Atkinson  |  Release Manager

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