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  1. FHIR Specification Feedback
  2. FHIR-40979

Add note about the nullFlavor extension

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    • US C-CDA on FHIR (FHIR)
    • 1.2.0-ballot
    • Cross-Group Projects
    • Mapping General and Structural Guidance
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      We prefer to keep the guidance simple. The extension remains an option, but not one we feel compelled to promote.

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      We prefer to keep the guidance simple. The extension remains an option, but not one we feel compelled to promote.

      Should also note that there is a nullFlavor extension in case you need to preserve the CDA/V3 null flavors exactly, but data-absent-reason is definitely preferred. 
      http://hl7.org/fhir/R4/extension-iso21090-nullflavor.html

            Unassigned Unassigned
            rgeimer Rick Geimer
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