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Date

2022-02-02 17.00 UTC

Objectives

  • Discuss project plan
  • Continue to elaborate the migration model for laboratory measurement procedures

Discussion items

ItemDescriptionTimeOwnerNotesAction
1Welcome


  •  
2Conflicts of interest


3Work plan
All

A state where part of the work is done may be a cause of concern for implementers, where part of a content is in EP and part in O hierarchies (which already is the case...).

There are separate concerns about re-representation as Observables and inactivation of Evaluation procedures and could be separate decisions. At least, inactivation may come after the Observables have been put in place. Inactivated content may be re-activated in extensions.

There are still Evaluation procedures for which there are yet no Observables solution proposed (e.g. panels), but such proposals can be developed.

There are several options, which will have to be developed and confirmed with the community.

Collection of issues in working with the current Evaluation procedures include under specification (both between FSNs and possible modeling as well as the concept in relation to requirements for use), some pure techniques, inconsistency in modeling, primitives which could be fully defined. A sub-page has been created.

Workplan should be documented in a SNOMED International proposal form. https://docs.google.com/document/d/1ug2piu_bYwuWJ96d1k-6J41aYDy0IDHbIAhAGZOp6rs/edit?usp=sharing (access can be provided by Yongsheng Gao).

New Evaluation procedure lab concepts beyond the 1200 already modeled should be identified. Nashar Karim and James R. Campbell will explore possibilities of collecting more frequency-based content.


4Discussion Phase 1 dataset for migration trial57 min
  • Review of progress with conversion file for UK labs
  • Modelling issues suggested by classification of Phase 1 migration set 
  • Followup on issues from last meeting:
    • Timed specimens shall be identified by instance time stamp of acquisition 
    • 24 hour urine testing deferred to committee deliberation
  • Red cell indices such as Mean corpuscular volume. Representation of averages (or any aggregation) has not yet been finally agreed on,proceed with proposed model
  • Anti-mitocondrial antobody pattern, Leukocyte ALP → items deferred to Observables deliberation
  • Agglutination test. Property = Presence, , Technique = Latex agglutination
  • Titre. How to represent titre in relation to presence and quantity concentration; deferred to committee
  • Von Willebrand factor activity - likely a process observable and out of scope.
  • Produce an OWL file based on decisions made and compare hierarchy of reclassified Observables to Evaluation procedures.

2021-11-03:

  • James R. Campbell presented work since last time.
  • DK: additional, the differences found between the Evalualtion procedure hierarchy and the E2O Observable hierarchy have highlighted issues with the Evaluation procedure hierarchy.
  • Discussion about future progress of E2O
  • UK current decision is to use Procedures in the context of ordering
    • There would in the UK content not be duplicates between "ordering" and "result" concepts.
  • Keeping two hierarchies with essentially the same meaning introduces maintenance challenges
  • There would be modeling solutions to keep hierarchies in sync, IFF it is possible to write clear guidance on when to use which hierarchy

2021-11-17:

  • Next steps would necessary include the creation of templates for the common lab areas
  • Inactivations of groupers such as "Sodium measurement" - replacement with e.g. "Sodium ion quantity concentration in liquid substance"
  • Yongsheng Gao propose to create new SCTIDs for Observables and create "link" between Evaluation procedure and Observable concepts.
  • Templates is a good way to get agreement on the application of the (generic) Observables model.

2021-12-15:

  • Proposal: look for subsumees of high-frequency concepts Daniel Karlsson will check
  • Implementation process:
    • Inform CoP that the project is being done
      • Project statement (cf. project template)
      • Limit to reportables (for the time being...)
    • Keep both procedures and observables while under development
    • Maintain "map"/association refset between corresponding existing evalutation procedures and new observables
    • Develop in a community area
    • Steps:
      • Get moduleId
      • Set up community area
      • Develop templates
  •  Daniel Karlsson Bring up generic aggregate observable topic on a future Observables meeting.
5Next meeting 2 minNew meeting in two weeks
6AOB1 min

Meeting Files

  File Modified
Microsoft Powerpoint Presentation E2O MEETING 20 DISCUSSION.pptx 2022-Feb-02 by Daniel Karlsson
Microsoft Powerpoint Presentation E2O-20 DISCUSSION-snip-SarahHarry.pptx 2022-Feb-02 by Daniel Karlsson

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