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

      ..

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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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            jsnell Jessica Bota
            Rob_McClure Rob McClure
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              Updated:
              Resolved: