Structured Data Capture
3.0.0 - STU 3 International flag

Structured Data Capture, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 3.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/sdc/ and changes regularly. See the Directory of published versions

: SDC-Example using ordinalValue and constraint - XML Representation

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<Questionnaire xmlns="http://hl7.org/fhir">
  <id value="questionnaire-sdc-profile-example-ordinal-value"/>
  <meta>
    <profile
             value="http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-behave"/>
  </meta>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><table border="1" cellpadding="0" cellspacing="0" style="border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;"><tr style="border: 2px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top"><th style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/formats.html#table" title="The linkId for the item">LinkId</a></th><th style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/formats.html#table" title="Text for the item">Text</a></th><th style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/formats.html#table" title="Minimum and Maximum # of times the the itemcan appear in the instance">Cardinality</a></th><th style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/formats.html#table" title="The type of the item">Type</a></th><th style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/formats.html#table" title="Other attributes of the item">Flags</a></th><th style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/formats.html#table" title="Additional information about the item">Description &amp; Constraints</a><span style="float: right"><a href="http://hl7.org/fhir/R4/formats.html#table" title="Legend for this format"><img src="data:image/png;base64,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" alt="doco" style="background-color: inherit"/></a></span></th></tr><tr style="border: 1px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_q_root.gif" alt="." style="background-color: white; background-color: inherit" title="QuestionnaireRoot" class="hierarchy"/> SDCExampleUsingOrdinalValue</td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"></td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Questionnaire</td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"></td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">http://hl7.org/fhir/uv/sdc/Questionnaire/questionnaire-sdc-profile-example-ordinal-value#3.0.0</td></tr>
<tr style="border: 1px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck01.png)" id="item.1.0" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon-q-group.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Group" class="hierarchy"/> 1.0</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Over the last 2 weeks, how often have you been bothered by any of the following problems?</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/codesystem-item-type.html#item-type-group">group</a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/></tr>
<tr style="border: 1px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" id="item.1.1" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon-q-coding.png" alt="." style="background-color: white; background-color: inherit" title="Coding" class="hierarchy"/> 1.1</td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1. Little interest or pleasure in doing things</td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/codesystem-item-type.html#item-type-choice">choice</a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/extension-questionnaire-choiceorientation.html" title="Orientation: horizontal"><img src="icon-qi-horizontal.png" alt="icon"/></a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Value Set: <a href="ValueSet-questionnaire-sdc-profile-example-ordinal-value_LL358-3.html">Timing of harm assessment [AHRQ]</a></td></tr>
<tr style="border: 1px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" id="item.1.2" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon-q-coding.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Coding" class="hierarchy"/> 1.2</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">2. Feeling down, depressed, or hopeless</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/codesystem-item-type.html#item-type-choice">choice</a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/extension-questionnaire-choiceorientation.html" title="Orientation: horizontal"><img src="icon-qi-horizontal.png" alt="icon"/></a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Value Set: <a href="ValueSet-questionnaire-sdc-profile-example-ordinal-value_LL358-3.html">Timing of harm assessment [AHRQ]</a></td></tr>
<tr style="border: 1px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" id="item.1.3" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon-q-coding.png" alt="." style="background-color: white; background-color: inherit" title="Coding" class="hierarchy"/> 1.3</td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">3. Trouble falling or staying asleep, or sleeping too much</td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/codesystem-item-type.html#item-type-choice">choice</a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/extension-questionnaire-choiceorientation.html" title="Orientation: horizontal"><img src="icon-qi-horizontal.png" alt="icon"/></a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Value Set: <a href="ValueSet-questionnaire-sdc-profile-example-ordinal-value_LL358-3.html">Timing of harm assessment [AHRQ]</a></td></tr>
<tr style="border: 1px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" id="item.1.4" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon-q-coding.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Coding" class="hierarchy"/> 1.4</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">4. Feeling tired or having little energy</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/codesystem-item-type.html#item-type-choice">choice</a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/extension-questionnaire-choiceorientation.html" title="Orientation: horizontal"><img src="icon-qi-horizontal.png" alt="icon"/></a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Value Set: <a href="ValueSet-questionnaire-sdc-profile-example-ordinal-value_LL358-3.html">Timing of harm assessment [AHRQ]</a></td></tr>
<tr style="border: 1px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck000.png)" id="item.6" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon-q-integer.png" alt="." style="background-color: white; background-color: inherit" title="Integer" class="hierarchy"/> 6</td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Total Score:</td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/codesystem-item-type.html#item-type-integer">integer</a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Expressions: <ul><li style="font-size: 11px"><a href="http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression">Calculated Value</a>: <code>%resource.repeat(item).where(linkId='1.0').item.answer.value.ordinal().aggregate($this + $total, 0)</code></li></ul></td></tr>
<tr><td colspan="6" class="hierarchy"><br/><a href="http://hl7.org/fhir/R4/formats.html#table" title="Legend for this format"><img src="data:image/png;base64,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" alt="doco" style="background-color: inherit"/> Documentation for this format</a></td></tr></table></div>
  </text>
  <contained>
    <ValueSet>
      <id value="LL358-3"/>
      <url value="http://example.org/ValueSet/LL358-3"/>
      <name value="TimingOfHarmAssessment"/>
      <title value="Timing of harm assessment [AHRQ]"/>
      <status value="active"/>
      <description value="The answer list for timing of harm assessment"/>
      <copyright
                 value="This content from LOINC® is copyright © 1995 Regenstrief Institute, Inc. and the LOINC Committee, and available at no cost under the license at http://loinc.org/terms-of-use"/>
      <compose>
        <include>
          <system value="http://loinc.org"/>
          <concept>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/ordinalValue">
              <valueDecimal value="0"/>
            </extension>
            <code value="LA6568-5"/>
            <display value="Not at all"/>
          </concept>
          <concept>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/ordinalValue">
              <valueDecimal value="1"/>
            </extension>
            <code value="LA6569-3"/>
            <display value="Several days"/>
          </concept>
          <concept>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/ordinalValue">
              <valueDecimal value="2"/>
            </extension>
            <code value="LA6570-1"/>
            <display value="More than half the days"/>
          </concept>
          <concept>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/ordinalValue">
              <valueDecimal value="3"/>
            </extension>
            <code value="LA6571-9"/>
            <display value="Nearly every day"/>
          </concept>
        </include>
      </compose>
    </ValueSet>
  </contained>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="fhir"/>
  </extension>
  <url
       value="http://hl7.org/fhir/uv/sdc/Questionnaire/questionnaire-sdc-profile-example-ordinal-value"/>
  <version value="3.0.0"/>
  <name value="SDCExampleUsingOrdinalValue"/>
  <status value="draft"/>
  <date value="2023-12-07T23:07:45+00:00"/>
  <publisher value="HL7 International / FHIR Infrastructure"/>
  <contact>
    <name value="HL7 International / FHIR Infrastructure"/>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/fiwg"/>
    </telecom>
  </contact>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/fiwg"/>
    </telecom>
  </contact>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
      <display value="World"/>
    </coding>
  </jurisdiction>
  <item>
    <extension
               url="http://hl7.org/fhir/StructureDefinition/questionnaire-constraint">
      <extension url="key">
        <valueId value="contraint-1"/>
      </extension>
      <extension url="requirements">
        <valueString
                     value="At least three questions must be answered to have a meaningful total."/>
      </extension>
      <extension url="severity">
        <valueCode value="warning"/>
      </extension>
      <extension url="expression">
        <valueString
                     value="%resource.repeat(item).where(linkId='1.0').item.where(answer.hasValue()).count() &gt;= 3"/>
      </extension>
      <extension url="human">
        <valueString value="You should answer at least three questions."/>
      </extension>
    </extension>
    <linkId value="1.0"/>
    <text
          value="Over the last 2 weeks, how often have you been bothered by any of the following problems?"/>
    <type value="group"/>
    <item>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/questionnaire-choiceOrientation">
        <valueCode value="horizontal"/>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl">
        <valueCodeableConcept>
          <coding>
            <system value="http://hl7.org/fhir/questionnaire-item-control"/>
            <code value="radio-button"/>
            <display value="Radio Button"/>
          </coding>
          <text
                value="A control where choices are listed with a button beside them. The button can be toggled to select or de-select a given choice. Selecting one item deselects all others."/>
        </valueCodeableConcept>
      </extension>
      <linkId value="1.1"/>
      <text value="1. Little interest or pleasure in doing things"/>
      <type value="choice"/>
      <answerValueSet value="#LL358-3"/>
    </item>
    <item>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/questionnaire-choiceOrientation">
        <valueCode value="horizontal"/>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl">
        <valueCodeableConcept>
          <coding>
            <system value="http://hl7.org/fhir/questionnaire-item-control"/>
            <code value="radio-button"/>
            <display value="Radio Button"/>
          </coding>
          <text
                value="A control where choices are listed with a button beside them. The button can be toggled to select or de-select a given choice. Selecting one item deselects all others."/>
        </valueCodeableConcept>
      </extension>
      <linkId value="1.2"/>
      <text value="2. Feeling down, depressed, or hopeless"/>
      <type value="choice"/>
      <answerValueSet value="#LL358-3"/>
    </item>
    <item>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/questionnaire-choiceOrientation">
        <valueCode value="horizontal"/>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl">
        <valueCodeableConcept>
          <coding>
            <system value="http://hl7.org/fhir/questionnaire-item-control"/>
            <code value="radio-button"/>
            <display value="Radio Button"/>
          </coding>
          <text
                value="A control where choices are listed with a button beside them. The button can be toggled to select or de-select a given choice. Selecting one item deselects all others."/>
        </valueCodeableConcept>
      </extension>
      <linkId value="1.3"/>
      <text
            value="3. Trouble falling or staying asleep, or sleeping too much"/>
      <type value="choice"/>
      <answerValueSet value="#LL358-3"/>
    </item>
    <item>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/questionnaire-choiceOrientation">
        <valueCode value="horizontal"/>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl">
        <valueCodeableConcept>
          <coding>
            <system value="http://hl7.org/fhir/questionnaire-item-control"/>
            <code value="radio-button"/>
            <display value="Radio Button"/>
          </coding>
          <text
                value="A control where choices are listed with a button beside them. The button can be toggled to select or de-select a given choice. Selecting one item deselects all others."/>
        </valueCodeableConcept>
      </extension>
      <linkId value="1.4"/>
      <text value="4. Feeling tired or having little energy"/>
      <type value="choice"/>
      <answerValueSet value="#LL358-3"/>
    </item>
    <item>
      <extension
                 url="http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression">
        <valueExpression>
          <description value="Total score"/>
          <language value="text/fhirpath"/>
          <expression
                      value="%resource.repeat(item).where(linkId='1.0').item.answer.value.ordinal().aggregate($this + $total, 0)"/>
        </valueExpression>
      </extension>
      <linkId value="6"/>
      <text value="Total Score:"/>
      <type value="integer"/>
    </item>
  </item>
</Questionnaire>