Negation Requirements Project Minutes 6 April 2016

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Minutes

Meeting Information

HL7 PC-CIMI-POC Meeting Minutes

Location: PC call line

Date: 2016-03-30
Time: 11:00-12:00 ET
Facilitator Jay Lyle Note taker(s) Jay Lyle
Attendee Name Affiliation


Jay Lyle JP Systems
Serafina Versaggi
Lisa Nelson
Rob Hausam
Carmela Couderc

Agenda

Agenda Topics

  1. FHIR/allergy topic
  2. patterns

Minutes

Minutes/Conclusions Reached:

  1. PSS status: still pending Vocab approval
  2. Reviewed FHIR/Allergy discussion on patterns. Use to confirm requirements can help make these decisions.
    1. single field, renamed from 'substance' to 'code' to accommodate negatives
    2. dual field: present things and absent things
    3. dual field: thing and presence vs absence value
  3. Patterns
    1. Pattern documentation does seem to make assumptions, not about information model solution but about terminology semantics
    2. Separation of the "absent" assertion from the thing that is absent seems clear, as well as possible context
      1. though context of thing (patient, family) may be different from context of absence (today, historical)
    3. The thing itself seems to align with the SCT idea of an observable; i.e., not a finding or anatomical entity. This may mean requesting new SCT concepts.
      1. SCT is not the only target terminology solution, but it seems to be the richest, so we anticipate solutions that accommodate it will fit simpler ones, too
      2. If "spleen size" is one possible observable (values PQ, or ordinal small medium large), can "absent" describe an observable "spleen", or do we need a "spleen presence" observable?

Meeting Outcomes

Actions
  • review examples for completeness, classification for accuracy (all)
  • secure Vocabulary co-sponsorship (Rob H)
  • request involvement from SD & FHIR (Jay)
  • consolidate wiki pages (Jay)
Next Meeting/Preliminary Agenda Items
  • none identified

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