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  1. FHIR Specification Feedback
  2. FHIR-36942

Clarify what codes are included in ValueSet.compose when only a code system is referenced - All Codes Meaning

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    • Change Request
    • Resolution: Persuasive
    • Medium
    • FHIR Core (FHIR)
    • R5
    • Terminology Infrastructure
    • ValueSet
    • Hide

      The meaning intended of "All codes in the code system are included" is intended to mean all concepts independent of concept status. This means that all retired concepts known to the terminology service providing the value set expansion SHALL also be included in the expansion. In addition, if the code system supports compositions, then any valid code system composition would also be a valid member of the expansion when determining operation results.

      Change the following:

      From:

      4.9.6 Composition Rules

      ..

      If a System only is specified, the following rules apply:

      • no concept or filter: All codes in the system are included

      ..

      To:

      ..

      If a System only is specified, the following rules apply:

      • no concept or filter: All codes defined by the code system, independent of code status,  are included.

      ..

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      The meaning intended of "All codes in the code system are included" is intended to mean all concepts independent of concept status. This means that all retired concepts known to the terminology service providing the value set expansion SHALL also be included in the expansion. In addition, if the code system supports compositions, then any valid code system composition would also be a valid member of the expansion when determining operation results. Change the following: From: 4.9.6 Composition Rules .. If a System only is specified, the following rules apply: no concept or filter : All codes in the system are included .. To: .. If a System only is specified, the following rules apply: no concept or filter : All codes defined by the code system, independent of code status,  are included. ..
    • Rob McClure/Davera Gabriel: 10-0-2
    • Clarification
    • Non-substantive
    • R5

    Description

      When only a code system is supplied for the compose, this is intended to mean "all codes" in the code system but does this mean all retired codes, all codes that can be post coordinated? This needs to be clarified. 

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          relates to

          Change Request - A request for a change that is more than a simple Technical Correction to one of HL7's specifications FHIR-36837 Update Codesystem.valueset to include clarification on what "all codes" means

          • Medium - Has the potential to affect progress.
          • Published

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            People

              jsnell Jessica Bota
              Rob_McClure Rob McClure
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              Dates

                Created:
                Updated:
                Resolved: