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Items | Proposed improvement | Planned Release date (*this is provisional only and is subject to change) | ||||||||
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1 | COVID-19 Content Content relating to COVID-19 can be viewed here SNOMED CT COVID-19 Related Content | July 2021 International Release and future releases | ||||||||
2 | Browse Content Changes for the July 2021 Release The daily build is available to review changes made to content for the July 20201 release https://dailybuild.ihtsdotools.org/ Forthcoming concept inactivations, new concepts and changes to existing concepts can be reviewed using the tab 'Daily build.' | July 2021 International Release | ||||||||
3 | Implementation of the new anatomy concept model The completion of the revision of hierarchical relationships provides stable anatomy content and improves the quality of classification results in other hierarchies. Over forthcoming releases, the plan is to implement the new anatomy concept model. There are almost 35,000 anatomy concepts and they will be modeled by different types of 'part of' relationships. The new model will enable us to automatically generate hierarchies to further improve quality and consistency. Information about the work completed in previous release for revision of IS_A relationships can be viewed here: https://confluence.ihtsdotools.org/display/IAP/Revision+of+IS-A+relationships+for+anatomy | July 2021 International Release and future releases | ||||||||
4 | MRCM Changes MRCM changes will be posted here when available. | July 2021 International Release | ||||||||
5 | Quality Initiative Information about the project can found here - Quality Initiative - Progress Note: There are changes to the Service Level Agreement for the CRS as a result of the Quality Initiative: https://www.snomed.org/SNOMED/media/SNOMED/documents/Changes-to-SLA_202005_MHA.pdf | July 2021 International Release | ||||||||
6 | Disorder X without Disorder Y The vast majority of existing X without Y concepts originated from ICD-9 with the specific meaning of "X disorder without mention of Y disorder". As the phraseology indicates a lack of data about disorder Y as opposed to a specific exclusion, this type of concept has not been included in ICD-10, nor proposed for ICD-11, except in the case of "Traumatic brain injury without open intracranial wound". Addition of new X without Y concepts may only be made under the following conditions:
For the most part, existing X without Y concepts will be inactivated as AMBIGUOUS with a historical MAY BE relationship to "X disorder". Exceptions to inactivation will be made on a case-by-case basis. | July 2021 International Release and future releases. | ||||||||
7 | Content Improvements in the Substance and Product Hierarchies Please see briefing notes here Drugs Project Please contact info@snomed.org with any inquiries. | July 2021 International Release | ||||||||
8 | Content Improvements in the Physical object Hierarchy Please see project roadmap and briefing notes here: https://confluence.ihtsdotools.org/display/IAP/Devices+Project Please contact info@snomed.org with any inquiries. | July 2021 International Release | ||||||||
9 | Planned changes to 'Co-occurrent and due to' pattern During the implementation of the new Description Logic features a conflict was uncovered between the modeling of 'Co-occurrent and due to' and General Concept Inclusions (GCIs). This has resulted in the need to reconsider the modeling of "Co-occurrent and due' and update the Editorial Guide for this area. The plan is to update the Editorial Guide and all concepts that are currently modeled as 'Co-occurrent and due to' starting from the July 2019 release. | July 2021 International Release and future releases | ||||||||
10 | WAS_A Inactivation reason of LIMITED/WAS_A is not allowed for any new content inactivations after the July 2018 release. The WAS_A association refset has not been updated thereafter. At the Editorial Advisory Group meeting in April 2019, agreement was reached to discontinue the maintenance of WAS_A relationships when inactivating concepts that have a historical association to an inactive concept. When changes are made to a historical relationship for a concept that was previously inactivated using WAS_A, effort will be made to assign a new historical relationship that facilitates traceability of the concept (e.g. DUPLICATE or AMBIGUOUS) as opposed to NON-CONFORMANCE TO EDITORIAL POLICY. Existing WAS_A relationships will be inactivated in a future release once a plan for batch reassignment of historical relationships has been developed. Until then, SNOMED International will not continue to use or maintain WAS_A relationships. | July 2021 International Release and future releases | ||||||||
11 | Planned changes to Implantation and Insertion procedures Work commenced on content tracker IHTSDO-175 Ongoing structural changes for the Procedure concepts related to the content tracker: | July 2021 International Release | ||||||||
12 | Planned changes for 'Has ingredient characteristic’ and 'Has product characteristic’ and 'Has device characteristic' attributes Based on guidance provided by the Editorial Advisory Group, the the 'Has ingredient characteristic', 'Has product characteristic' and 'Has product device characteristic' attributes will be refined to more specific attributes in a future release. | July 2021 International Release and future releases. | ||||||||
13 | Concrete Domains and Numeric Representation The Modeling Advisory Group is working on concrete domains and how they will be represented in the inferred RF2 relationship file format. The following is a note on the interim solution relating to concrete domain for the medicinal product model: Numerics are represented by concepts in the Medicinal product concept model in SNOMED CT, which is an interim solution before the implementation of concrete domains to support data types, such as decimal, integer, string and date/time. We are in progress for the development of the specification for the inferred relationship file and consult with the community of practice. When they are ready, strength in medicinal product model can be transformed to concrete domains. The transformation will be completed by technical changes without impact to classification results. The further information about current progress on Concrete Domains can be found at: https://confluence.ihtsdotools.org/display/mag/Modeling+Advisory+Group | January 2021 Technical Preview July 2021 International Release and future releases. | ||||||||
14 | Replacement of the Stated Relationship files with the new OWL Axiom refset files A set of documentations has been developed to support the Logic Profile Enhancements.
For any questions, please contact SNOMED International at support@snomed.org with “OWL Axiom refset files implementation question” in the subject line. |
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