Extension-questionnaire-dereference.xml

Implemented CDE

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="questionnaire-deReference"/>
  <url value="http://hl7.org/fhir/StructureDefinition/questionnaire-deReference"/>
  <name value="Implemented CDE"/>
  <status value="draft"/>
  <publisher value="HL7"/>
  <contact>
    <telecom>
      <system value="other"/>
      <value value="http://www.hl7.org"/>
    </telecom>
  </contact>
  <date value="2013-07-04"/>
  <description value="A reference to the Data Element that corresponds to the question text and answer constraints
   for this question."/>
  <fhirVersion value="1.4.0"/>
  <mapping>
    <identity value="rim"/>
    <uri value="http://hl7.org/v3"/>
    <name value="RIM"/>
  </mapping>
  <kind value="datatype"/>
  <abstract value="false"/>
  <contextType value="resource"/>
  <context value="Questionnaire.item"/>
  <context value="Questionnaire.item.item"/>
  <baseType value="Extension"/>
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension"/>
  <derivation value="constraint"/>
  <snapshot>
    <element>
      <path value="Extension"/>
      <short value="Implemented CDE"/>
      <definition value="A reference to the Data Element that corresponds to the question text and answer constraints
       for this question."/>
      <comments value="If a code applies to a question, that code should still be conveyed on the question, even
       if the same code is also referenced as a DataElement.code in the referenced data element.
        This extension must not be used in place of specifying the Questionnaire.item.concept
       element."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="inv-9"/>
        <severity value="error"/>
        <human value="Data Element references can't be specified for &quot;display&quot; items"/>
        <expression value="$parent.type!='display'"/>
        <xpath value="not(parent::*/f:type/@value='display')"/>
      </constraint>
      <mapping>
        <identity value="rim"/>
        <map value="./outboundRelationship[typeCode=INST]/target[classCode=OBS, moodCode=DEFN]"/>
      </mapping>
    </element>
    <element>
      <path value="Extension.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="Extension.extension"/>
      <name value="extension"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="0"/>
      <max value="0"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
    </element>
    <element>
      <path value="Extension.url"/>
      <representation value="xmlAttr"/>
      <short value="identifies the meaning of the extension"/>
      <definition value="Source of the definition for the extension code - a logical name or a URL."/>
      <comments value="The definition may point directly to a computable or human-readable definition of the
       extensibility codes, or it may be a logical URI as declared in some other specification.
       The definition should be version specific.  This will ideally be the URI for the Resource
       Profile defining the extension, with the code for the extension after a #."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Extension.url"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/questionnaire-deReference"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="Extension.valueReference"/>
      <short value="Value of extension"/>
      <definition value="Value of extension - may be a resource or one of a constrained set of the data types (see
       Extensibility in the spec for list)."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Extension.value[x]"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/DataElement"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element>
      <path value="Extension"/>
      <short value="Implemented CDE"/>
      <definition value="A reference to the Data Element that corresponds to the question text and answer constraints
       for this question."/>
      <comments value="If a code applies to a question, that code should still be conveyed on the question, even
       if the same code is also referenced as a DataElement.code in the referenced data element.
        This extension must not be used in place of specifying the Questionnaire.item.concept
       element."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="inv-9"/>
        <severity value="error"/>
        <human value="Data Element references can't be specified for &quot;display&quot; items"/>
        <expression value="$parent.type!='display'"/>
        <xpath value="not(parent::*/f:type/@value='display')"/>
      </constraint>
      <mapping>
        <identity value="rim"/>
        <map value="./outboundRelationship[typeCode=INST]/target[classCode=OBS, moodCode=DEFN]"/>
      </mapping>
    </element>
    <element>
      <path value="Extension.extension"/>
      <name value="extension"/>
      <max value="0"/>
    </element>
    <element>
      <path value="Extension.url"/>
      <type>
        <code value="uri"/>
      </type>
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/questionnaire-deReference"/>
    </element>
    <element>
      <path value="Extension.value[x]"/>
      <min value="1"/>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/DataElement"/>
      </type>
    </element>
  </differential>
</StructureDefinition>