Observable and Investigation Model Project

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Date

2021-11-17 15.00 UTC

Zoom Details

https://snomed.zoom.us/j/8915921345?pwd=cXVsd2lPU3Rpc2FZM3JhTkROSUVpdz09
    Password: 5095908349

Attendees

James R. Campbell Alejandro Lopez Osornio  Yongsheng Gao Daniel Karlsson Sarah Harry

Apologies

Jim Case

Objectives

  • Continue to elaborate the migration model for laboratory measurement procedures

Discussion items

Item
Description
Time
Owner
Notes
Action
1Welcome
Daniel Karlsson
  • DO NOT FORGET TO RECORD!
  •  
2Conflicts of interest

Daniel Karlsson



3Discussion Phase 1 dataset for migration trial57 min

James R. Campbell

Sarah Harry

Daniel Karlsson

  • 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.
  •  Daniel Karlsson Bring up generic aggregate observable topic on a future Observables meeting.
4Next meeting 2 min

Daniel Karlsson



5AOB1 min
Daniel Karlsson


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Recording


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