PreNUDGE FHIR® IG for Data Provider / Data from Apps (R4)
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## : Step Count Q to O - XML Representation

Active as of 2026-04-03

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    <StructureMap xmlns="http://hl7.org/fhir">
      <id value="StepCountQuestionnaireResponseToObservation"/>
      <text>
        <status value="generated"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: StructureMap StepCountQuestionnaireResponseToObservation</b></p><a name="StepCountQuestionnaireResponseToObservation"> </a><a name="hcStepCountQuestionnaireResponseToObservation"> </a><pre class="fml">
    <b>map</b><span style="color: navy"> &quot;</span>https://fhir.hl7.at/prenudge/appdata/r4/StructureMap/StepCountQuestionnaireResponseToObservation<span style="color: navy">&quot; = &quot;</span>StepCountQuestionnaireResponseToObservation<span style="color: navy">&quot;

    </span><span style="color: navy">// </span><span style="color: green">Step Count Q to O</span>

    <b>uses</b><span style="color: navy"> &quot;</span><a href="http://hl7.org/fhir/R4/questionnaireresponse.html" title="QuestionnaireResponse">http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse</a><span style="color: navy">&quot; </span><b>alias </b>QR <b>as </b><b>source</b>
    <b>uses</b><span style="color: navy"> &quot;</span><a href="http://hl7.org/fhir/R4/observation.html" title="Observation">http://hl7.org/fhir/StructureDefinition/Observation</a><span style="color: navy">&quot; </span><b>alias </b>Obs <b>as </b><b>target</b>
    <b>uses</b><span style="color: navy"> &quot;</span><a href="http://hl7.org/fhir/R4/datatypes.html#Quantity" title="Quantity">http://hl7.org/fhir/StructureDefinition/Quantity</a><span style="color: navy">&quot; </span><b>alias </b>Quantity <b>as </b><b>source</b>

    <b>imports</b><span style="color: navy"> &quot;</span>http://hl7.org/fhir/StructureMap/*<span style="color: navy">&quot;
    </span><b>imports</b><span style="color: navy"> &quot;</span><a href="StructureMap-QuestionnaireResponseToObservationBase.html" title="Shared base for Q to O">https://fhir.hl7.at/prenudge/appdata/r4/StructureMap/QuestionnaireResponseToObservationBase</a><span style="color: navy">&quot;
    </span>
    <b>group </b>StepCountQuestionnaireResponseToObservation<span style="color: navy">(</span><b>source</b> <span style="color: maroon">src</span><span style="color: navy"> : </span>QR, <b>target</b> <span style="color: maroon">tgt</span><span style="color: navy"> : </span>Obs<span style="color: navy">)</span><span style="color: navy"> {
    </span>  src<b> then </b>SetObservationBase<span style="color: navy">(</span><span style="color: maroon">src</span><span style="color: navy">, </span><span style="color: maroon">tgt</span><span style="color: navy">)</span> <i>&quot;Base&quot;</i><span style="color: navy">;</span>
      src<span style="color: navy"><b> -&gt; </b></span> tgt.meta = <b>create</b><span style="color: navy">(</span><span style="color: blue">'Meta'</span><span style="color: navy">)</span><b> as </b><span style="color: maroon">meta</span><span style="color: navy">, </span> meta.profile = <span style="color: blue">'https://fhir.hl7.at/prenudge/appdata/r4/StructureDefinition/at-prenudge-stepcount-observation'</span> <i>&quot;SetProfile&quot;</i><span style="color: navy">;</span>
      src<span style="color: navy"><b> -&gt; </b></span>tgt.code = <b>cc</b><span style="color: navy">(</span><span style="color: blue">'http://loinc.org'</span><span style="color: navy">, </span><span style="color: blue">'41950-7'</span><span style="color: navy">, </span><span style="color: blue">'Number of steps in 24 hour Measured'</span><span style="color: navy">)</span> <i>&quot;SetCode&quot;</i><span style="color: navy">;</span>
      <span style="color: navy">// </span><span style="color: green">Quantity step count entry</span>
      src.item<b> as </b><span style="color: maroon">item</span><b> where </b>linkId = 'step-count'<b> then </b>MapStepCount<span style="color: navy">(</span><span style="color: maroon">item</span><span style="color: navy">, </span><span style="color: maroon">tgt</span><span style="color: navy">)</span> <i>&quot;ProcessQuantityStepCount&quot;</i><span style="color: navy">;</span>
    <span style="color: navy">// </span><span style="color: green">EHIS-PAQ walking survey</span>
    <span style="color: #b36b00" title="This element was not defined prior to R5">// src.item as item where linkId = 'Q2-walking-days' then MapEhisPaqToStepCount(item, tgt) &quot;ProcessEhisPaq&quot;;</span>
    <span style="color: navy">}

    </span><span style="color: navy">// </span><span style="color: green">Direct step count mapping</span>
    <b>group </b>MapStepCount<span style="color: navy">(</span><b>source</b> <span style="color: maroon">src</span><span style="color: navy"> : </span>QR, <b>target</b> <span style="color: maroon">tgt</span><span style="color: navy"> : </span>Obs<span style="color: navy">)</span><span style="color: navy"> {
    </span>  src.answer<b> as </b><span style="color: maroon">answer</span><b> then</b><span style="color: navy"> {
    </span>    <span style="color: navy">// </span><span style="color: green">effectiveDateTime from nested item with linkId = 'date'</span>
        answer.item<b> as </b><span style="color: maroon">dtItem</span><b> where </b>linkId = 'date'<b> then</b><span style="color: navy"> {
    </span>      dtItem.answer<b> as </b><span style="color: maroon">dtAns</span><b> then</b><span style="color: navy"> {
    </span>        dtAns.valueDate<b> as </b><span style="color: maroon">dt</span><span style="color: navy"><b> -&gt; </b></span>tgt.effectiveDateTime = <span style="color: maroon">dt</span> <i>&quot;SetEffectiveFromDate&quot;</i><span style="color: navy">;</span>
          <span style="color: navy">}</span> <i>&quot;ExtractDate&quot;</i><span style="color: navy">;</span>
        <span style="color: navy">}</span> <i>&quot;ProcessDate&quot;</i><span style="color: navy">;</span>
        answer.valueQuantity<b> as </b><span style="color: maroon">srcQty</span><b> then </b>MapStepCountQuantity<span style="color: navy">(</span><span style="color: maroon">srcQty</span><span style="color: navy">, </span><span style="color: maroon">tgt</span><span style="color: navy">)</span> <i>&quot;MapValueQuantity&quot;</i><span style="color: navy">;</span>
      <span style="color: navy">}</span> <i>&quot;ProcessAnswer&quot;</i><span style="color: navy">;</span>
    <span style="color: navy">}

    </span><b>group </b>MapStepCountQuantity<span style="color: navy">(</span><b>source</b> <span style="color: maroon">srcQty</span><span style="color: navy"> : </span>Quantity, <b>target</b> <span style="color: maroon">tgt</span><span style="color: navy"> : </span>Obs<span style="color: navy">)</span><span style="color: navy"> {
    </span>  srcQty.value<b> as </b><span style="color: maroon">v</span><span style="color: navy"><b> -&gt; </b></span>tgt.value = <b>create</b><span style="color: navy">(</span><span style="color: blue">'Quantity'</span><span style="color: navy">)</span><b> as </b><span style="color: maroon">qty</span><b> then</b><span style="color: navy"> {
    </span>    v.value<b> as </b><span style="color: maroon">numVal</span><span style="color: navy"><b> -&gt; </b></span>qty.value = <span style="color: maroon">numVal</span> <i>&quot;SetValue&quot;</i><span style="color: navy">;</span>
        srcQty<span style="color: navy"><b> -&gt; </b></span>qty.unit = <span style="color: blue">'{steps}/d'</span> <i>&quot;SetUnit&quot;</i><span style="color: navy">;</span>
        srcQty<span style="color: navy"><b> -&gt; </b></span>qty.system = <span style="color: blue">'http://unitsofmeasure.org'</span> <i>&quot;SetSystem&quot;</i><span style="color: navy">;</span>
        srcQty<span style="color: navy"><b> -&gt; </b></span>qty.code = <span style="color: blue">'{steps}/d'</span> <i>&quot;SetCode&quot;</i><span style="color: navy">;</span>
      <span style="color: navy">}</span> <i>&quot;MapQuantityValue&quot;</i><span style="color: navy">;</span>
    <span style="color: navy">}

    </span></pre></div>
      </text>
      <url
           value="https://fhir.hl7.at/prenudge/appdata/r4/StructureMap/StepCountQuestionnaireResponseToObservation"/>
      <version value="0.1.0"/>
      <name value="StepCountQuestionnaireResponseToObservation"/>
      <title value="Step Count Q to O"/>
      <status value="active"/>
      <date value="2026-04-03T14:50:23+00:00"/>
      <publisher value="The PreNUDGE Consortium"/>
      <contact>
        <name value="The PreNUDGE Consortium"/>
        <telecom>
          <system value="url"/>
          <value value="https://prenudge.at"/>
        </telecom>
      </contact>
      <contact>
        <name value="The PreNUDGE Consortium"/>
        <telecom>
          <system value="url"/>
          <value value="https://prenudge.at"/>
          <use value="work"/>
        </telecom>
      </contact>
      <description value="Step Count Q to O"/>
      <structure>
        <url
             value="http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse"/>
        <mode value="source"/>
        <alias value="QR"/>
      </structure>
      <structure>
        <url value="http://hl7.org/fhir/StructureDefinition/Observation"/>
        <mode value="target"/>
        <alias value="Obs"/>
      </structure>
      <structure>
        <url value="http://hl7.org/fhir/StructureDefinition/Quantity"/>
        <mode value="source"/>
        <alias value="Quantity"/>
      </structure>
      <import value="http://hl7.org/fhir/StructureMap/*"/>
      <import
              value="https://fhir.hl7.at/prenudge/appdata/r4/StructureMap/QuestionnaireResponseToObservationBase"/>
      <group>
        <name value="StepCountQuestionnaireResponseToObservation"/>
        <typeMode value="none"/>
        <input>
          <name value="src"/>
          <type value="QR"/>
          <mode value="source"/>
        </input>
        <input>
          <name value="tgt"/>
          <type value="Obs"/>
          <mode value="target"/>
        </input>
        <rule>
          <name value="Base"/>
          <source>
            <context value="src"/>
          </source>
          <dependent>
            <name value="SetObservationBase"/>
            <variable value="src"/>
            <variable value="tgt"/>
          </dependent>
        </rule>
        <rule>
          <name value="SetProfile"/>
          <source>
            <context value="src"/>
          </source>
          <target>
            <context value="tgt"/>
            <contextType value="variable"/>
            <element value="meta"/>
            <variable value="meta"/>
            <transform value="create"/>
            <parameter>
              <valueString value="Meta"/>
            </parameter>
          </target>
          <target>
            <context value="meta"/>
            <contextType value="variable"/>
            <element value="profile"/>
            <transform value="copy"/>
            <parameter>
              <valueString
                           value="https://fhir.hl7.at/prenudge/appdata/r4/StructureDefinition/at-prenudge-stepcount-observation"/>
            </parameter>
          </target>
        </rule>
        <rule>
          <name value="SetCode"/>
          <source>
            <context value="src"/>
          </source>
          <target>
            <context value="tgt"/>
            <contextType value="variable"/>
            <element value="code"/>
            <transform value="cc"/>
            <parameter>
              <valueString value="http://loinc.org"/>
            </parameter>
            <parameter>
              <valueString value="41950-7"/>
            </parameter>
            <parameter>
              <valueString value="Number of steps in 24 hour Measured"/>
            </parameter>
          </target>
        </rule>
        <rule>
          <name value="ProcessQuantityStepCount"/>
          <source>
            <context value="src"/>
            <element value="item"/>
            <variable value="item"/>
            <condition value="linkId = 'step-count'"/>
          </source>
          <dependent>
            <name value="MapStepCount"/>
            <variable value="item"/>
            <variable value="tgt"/>
          </dependent>
        </rule>
      </group>
      <group>
        <name value="MapStepCount"/>
        <typeMode value="none"/>
        <documentation value="Direct step count mapping"/>
        <input>
          <name value="src"/>
          <type value="QR"/>
          <mode value="source"/>
        </input>
        <input>
          <name value="tgt"/>
          <type value="Obs"/>
          <mode value="target"/>
        </input>
        <rule>
          <name value="ProcessAnswer"/>
          <source>
            <context value="src"/>
            <element value="answer"/>
            <variable value="answer"/>
          </source>
          <rule>
            <name value="ProcessDate"/>
            <source>
              <context value="answer"/>
              <element value="item"/>
              <variable value="dtItem"/>
              <condition value="linkId = 'date'"/>
            </source>
            <rule>
              <name value="ExtractDate"/>
              <source>
                <context value="dtItem"/>
                <element value="answer"/>
                <variable value="dtAns"/>
              </source>
              <rule>
                <name value="SetEffectiveFromDate"/>
                <source>
                  <context value="dtAns"/>
                  <element value="valueDate"/>
                  <variable value="dt"/>
                </source>
                <target>
                  <context value="tgt"/>
                  <contextType value="variable"/>
                  <element value="effectiveDateTime"/>
                  <transform value="copy"/>
                  <parameter>
                    <valueId value="dt"/>
                  </parameter>
                </target>
              </rule>
            </rule>
          </rule>
          <rule>
            <name value="MapValueQuantity"/>
            <source>
              <context value="answer"/>
              <element value="valueQuantity"/>
              <variable value="srcQty"/>
            </source>
            <dependent>
              <name value="MapStepCountQuantity"/>
              <variable value="srcQty"/>
              <variable value="tgt"/>
            </dependent>
          </rule>
        </rule>
      </group>
      <group>
        <name value="MapStepCountQuantity"/>
        <typeMode value="none"/>
        <input>
          <name value="srcQty"/>
          <type value="Quantity"/>
          <mode value="source"/>
        </input>
        <input>
          <name value="tgt"/>
          <type value="Obs"/>
          <mode value="target"/>
        </input>
        <rule>
          <name value="MapQuantityValue"/>
          <source>
            <context value="srcQty"/>
            <element value="value"/>
            <variable value="v"/>
          </source>
          <target>
            <context value="tgt"/>
            <contextType value="variable"/>
            <element value="value"/>
            <variable value="qty"/>
            <transform value="create"/>
            <parameter>
              <valueString value="Quantity"/>
            </parameter>
          </target>
          <rule>
            <name value="SetValue"/>
            <source>
              <context value="v"/>
              <element value="value"/>
              <variable value="numVal"/>
            </source>
            <target>
              <context value="qty"/>
              <contextType value="variable"/>
              <element value="value"/>
              <transform value="copy"/>
              <parameter>
                <valueId value="numVal"/>
              </parameter>
            </target>
          </rule>
          <rule>
            <name value="SetUnit"/>
            <source>
              <context value="srcQty"/>
            </source>
            <target>
              <context value="qty"/>
              <contextType value="variable"/>
              <element value="unit"/>
              <transform value="copy"/>
              <parameter>
                <valueString value="{steps}/d"/>
              </parameter>
            </target>
          </rule>
          <rule>
            <name value="SetSystem"/>
            <source>
              <context value="srcQty"/>
            </source>
            <target>
              <context value="qty"/>
              <contextType value="variable"/>
              <element value="system"/>
              <transform value="copy"/>
              <parameter>
                <valueString value="http://unitsofmeasure.org"/>
              </parameter>
            </target>
          </rule>
          <rule>
            <name value="SetCode"/>
            <source>
              <context value="srcQty"/>
            </source>
            <target>
              <context value="qty"/>
              <contextType value="variable"/>
              <element value="code"/>
              <transform value="copy"/>
              <parameter>
                <valueString value="{steps}/d"/>
              </parameter>
            </target>
          </rule>
        </rule>
      </group>
    </StructureMap>