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  1. FHIR Specification Feedback
  2. FHIR-20802

Overlap between initialExpression and itemContext

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    • Icon: Change Request Change Request
    • Resolution: Persuasive
    • Icon: High High
    • Structured Data Capture (SDC) (FHIR)
    • STU3
    • FHIR Infrastructure
    • (profiles) [deprecated]
    • 12.37.1
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      Make clear (at least for now) that itemContext does NOT set an answer (where question type is 'reference') but instead sets context for use with initialExpression. Raise an open issue about whether itemContext should be able to auto-populate the answer to a question and, if so, what the rules should be around when that should happen. Also provide more of an explanation about the relationship between itemContext and initialExpression.

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      Make clear (at least for now) that itemContext does NOT set an answer (where question type is 'reference') but instead sets context for use with initialExpression. Raise an open issue about whether itemContext should be able to auto-populate the answer to a question and, if so, what the rules should be around when that should happen. Also provide more of an explanation about the relationship between itemContext and initialExpression.
    • Clem McDonald/Paul Lynch: 4-0-0
    • Clarification
    • Non-substantive

    Description

      There seems to be some overlap in the funtionality provided by initialExpression and itemContext. Both can be used for prepopulation of resources. I would like to see some guidanance about on the two extensions pages about when one should be preferred over the other.

      Differences that I can see:

      1) initialExpression does not limit itself to resources, as itemContext does. (Well, at least the description says it is for resources, but I don't see a constraint that enforces that.)

      2) itemContext is used for both prepoulation and extraction.

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            Unassigned Unassigned
            plynch Paul Lynch
            Paul Lynch
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