SNOMED CT Editorial Advisory Group

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Date: 2021-10-19

Time:

1600- 1930 UTC

0900 -1230 PDT


Zoom Meeting Details

Topic: SNOMED Editorial Advisory Group

Time: Oct 19, 2021 09:00 AM Pacific Time (US and Canada)

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Attendees

Chair:

AG Members

Observers:

Apologies:

Meeting Files

Meeting minutes:

The call recording is located here.


Objectives

  • Obtain consensus on agenda items

Discussion items

Item
Description
Owner
Notes
Action
1Call to order and role call

Jim Case

This meeting is being recorded to ensure that important discussion points are not missed in the minutes.  The recording will be available to the SNOMED International community.  

If a majority of participants object to recording, only written minutes will be available, otherwise, anyone objecting to recording is requested to exit the meeting.


  • Recording of meeting approved by participants.
2

Conflicts of interest and agenda review

Jim Case

None stated.


3Accomplishments of EAGJim Case

The following is a list of recommendations from the EAG that have been implemented in SNOMED CT since October 2020:

  • Spinal cord injuries and spinal cord syndromes have been remodeled to reflect the distinction between the structural damage and the clinical manifestation. - completed
  • The concept inactivation workgroup has finalized recommendations for revised and additional inactivation reasons and clarification on the use of historical relationships - in progress
  • Pathologic fractures have been remodeled so that they no longer classify as traumatic injuries - completed
    • Renaming Pathologic fracture due to neoplastic disease concepts - completed
  • The primitive "Sequela" concept has been inactivated and content using Sequela as a stated parent have been remodeled with "Disease" - completed
  • Approved new definitions for Poisoning, Overdose and Intoxication.  Content is being remodeled to adhere to these definitions - in progress
  • Approved modeling proposal for combined disorders - in progress
  • Approved new model pattern for "Aplasia", Congenital absence and "Agenesis" - completed
  • Provided guidance on the potential inactivation  of duplicate Computed Tomography combine procedures - completed
  • Provided guidance on remodeling/inactivation of "Positive/Negative" findings - in progress
  • Provided guidance on the use of "unambiguous" acronyms (i.e. do not require expansion in a non-FSN description) - in progress
  • Provided guidance on the use of HAS_CHARACTERISTIC generic attributes for use by extensions in their drug models - in progress
  • Provided guidance on consistent naming of Specimen vs. Sample in the Specimen hierarchy - in progress
  • Approved an ECE proposal for a new model for "Pressure ulcers"; renamed to "Pressure injuries" - in progress
  • Approved proposed editorial guidance for naming of lateralized procedures - in progress
  • Provided guidance and approved renaming of "Angiography" procedures for consistency - in progress



5ECE TopicsBruce Goldberg

Osteoarthritis: A majority of descendants of Osteoarthritis (disorder) are not kinds of osteoarthritis. Model needs to be revised.

Discussion:

2021-09-22

Bruce Goldbergpresented a discussion related to deposition and degeneration.  Recommended moving Deposition out from under Degeneration.

Osteoarthritis has multiple child concepts that are not considered to be osteoarthritis.  This is due to the current definition of Osteoarthritis.  Current thought is that osteoarthritis is more than just degeneration of the joint.  It is a complex disorder.  Because of the complexity is it not possible to SD Osteoarthritis. Proposed remodeling will move hundreds of inappropriate concepts out from under Osteoarthritis.

Suggest creating new morphology = Inflammatory degeneration. The inflammatory aspect of this disorder is variable, but it is considered an arthritis, which requires an inflammatory morphology.  Some comment that common use of arthritis (inflammatory) and osteoarthritis do not consider them related.

Need a common parent for osteoarthritis and rheumatoid arthritis?  

As this is a high use area of content, we must carefully consider the impact on users.   Suggested that there be a site where the impact of the proposed changes can be viewed.  Will bring this up to the technical team to determine options for interim viewing.

Decision:


Deposition_degeration_osteoarthritis.pptx

  • Jim Caseto discuss with tech team how to make proposed changes viewable to EAG.
  • Bruce Goldbergto make proposed changes for evaluation of impact.
6Complication remodelingJim Case

Issues have arisen with the remodeling of subtypes of 116223007 |Complication (disorder)|, based on earlier agreed decisions from EAG.

Proposal for revision of the “Complication” hierarchy

Based on agreed proposals, editorial guide will need to be updated.

Discussion:


Decision:


7Maternal vs. fetal periods of life

Philip Brown

Jim Case

See attached document for review:

Modeling issues related to maternal periods

Complications related to pregnancy

Discussion:


Decision:


8Review of requirement for external editorsJim Case

A draft document for review that outlines the requirements for external editors (non-SNOMED staff) to work within the International release is available for review.  This docuemnt will also be provided to the Member Forum and the CMAG.

Requirements for external editors of SNOMED CT International Release

Discussion:


Decision:


9X (person) vs. X of subject (person)Jim Case

A question from a member country on when to use "X (person)" vs. "X of subject (person)" has exposed issues with determination of equivalence in information models that either split the relationship from the condition vs. using a precoordinated Situation concept to represent the SUBJECT RELATIONSHIP CONTEXT.

Discussion:


Decision:


10AOBEAG

11Next meetingEAG