<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="http://ihis.sg/profile/G2" />
  <name value="G2" />
  <status value="active" />
  <fhirVersion value="4.3.0" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Goal" />
  <baseDefinition value="http://ihis.sg/StructureDefinition/putHealthplanGoal" />
  <derivation value="constraint" />
  <differential>
    <element id="Goal.lifecycleStatus">
      <path value="Goal.lifecycleStatus" />
      <fixedCode value="active" />
    </element>
    <element id="Goal.description.coding">
      <path value="Goal.description.coding" />
      <max value="1" />
      <binding>
        <strength value="required" />
        <valueSet value="http://ihis.sg/ValueSet/hsg-health-goal" />
      </binding>
    </element>
    <element id="Goal.description.coding.code">
      <path value="Goal.description.coding.code" />
      <fixedCode value="G2" />
    </element>
    <element id="Goal.target">
      <path value="Goal.target" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="measure.coding.code" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Goal.target.extension">
      <path value="Goal.target.extension" />
      <max value="0" />
    </element>
    <element id="Goal.target.measure.id">
      <path value="Goal.target.measure.id" />
      <max value="0" />
    </element>
    <element id="Goal.target.measure.extension">
      <path value="Goal.target.measure.extension" />
      <max value="0" />
    </element>
    <element id="Goal.target.measure.coding">
      <path value="Goal.target.measure.coding" />
      <max value="1" />
    </element>
    <element id="Goal.target.measure.coding.code">
      <path value="Goal.target.measure.coding.code" />
      <constraint>
        <key value="g2-1" />
        <severity value="error" />
        <human value="If present, G2 goal measure allowed values are GM002, GM009, GM010" />
        <expression value="($this in ('GM002' | 'GM009' | 'GM010'))" />
      </constraint>
    </element>
    <element id="Goal.target.detail[x]">
      <path value="Goal.target.detail[x]" />
      <binding>
        <strength value="required" />
        <valueSet value="http://unitsofmeasure.org" />
      </binding>
    </element>
    <element id="Goal.target:GM002">
      <path value="Goal.target" />
      <sliceName value="GM002" />
      <max value="1" />
    </element>
    <element id="Goal.target:GM002.measure.coding">
      <path value="Goal.target.measure.coding" />
      <max value="1" />
      <binding>
        <strength value="required" />
        <valueSet value="http://ihis.sg/ValueSet/hsg-goal-measure" />
      </binding>
    </element>
    <element id="Goal.target:GM002.measure.coding.code">
      <path value="Goal.target.measure.coding.code" />
      <fixedCode value="GM002" />
    </element>
    <element id="Goal.target:GM002.measure.text">
      <path value="Goal.target.measure.text" />
      <max value="0" />
    </element>
    <element id="Goal.target:GM002.due[x]">
      <path value="Goal.target.due[x]" />
      <slicing>
        <discriminator>
          <type value="type" />
          <path value="$this" />
        </discriminator>
        <ordered value="false" />
        <rules value="open" />
      </slicing>
      <min value="1" />
      <type>
        <code value="date" />
      </type>
    </element>
    <element id="Goal.target:GM002.due[x]:dueDuration">
      <path value="Goal.target.due[x]" />
      <sliceName value="dueDuration" />
      <max value="0" />
      <type>
        <code value="Duration" />
      </type>
    </element>
    <element id="Goal.target:GM009">
      <path value="Goal.target" />
      <sliceName value="GM009" />
      <max value="1" />
    </element>
    <element id="Goal.target:GM009.extension">
      <path value="Goal.target.extension" />
      <max value="0" />
    </element>
    <element id="Goal.target:GM009.measure.id">
      <path value="Goal.target.measure.id" />
      <max value="0" />
    </element>
    <element id="Goal.target:GM009.measure.extension">
      <path value="Goal.target.measure.extension" />
      <max value="0" />
    </element>
    <element id="Goal.target:GM009.measure.coding">
      <path value="Goal.target.measure.coding" />
      <max value="1" />
      <binding>
        <strength value="required" />
        <valueSet value="http://ihis.sg/ValueSet/hsg-goal-measure" />
      </binding>
    </element>
    <element id="Goal.target:GM009.measure.coding.code">
      <path value="Goal.target.measure.coding.code" />
      <fixedCode value="GM009" />
    </element>
    <element id="Goal.target:GM009.measure.text">
      <path value="Goal.target.measure.text" />
      <max value="0" />
    </element>
    <element id="Goal.target:GM009.detail[x]">
      <path value="Goal.target.detail[x]" />
      <min value="1" />
      <type>
        <code value="Quantity" />
      </type>
      <binding>
        <strength value="required" />
        <valueSet value="http://unitsofmeasure.org" />
      </binding>
    </element>
    <element id="Goal.target:GM009.detail[x].value">
      <path value="Goal.target.detail[x].value" />
      <min value="1" />
      <minValueDecimal value="1.0" />
      <maxValueDecimal value="99.0" />
      <constraint>
        <key value="gm9-1" />
        <severity value="error" />
        <human value="Valid numeric value required" />
        <expression value="$this.toString().matches('^[0-9]*$')" />
      </constraint>
    </element>
    <element id="Goal.target:GM009.detail[x].system">
      <path value="Goal.target.detail[x].system" />
      <min value="1" />
      <fixedUri value="http://unitsofmeasure.org" />
    </element>
    <element id="Goal.target:GM009.detail[x].code">
      <path value="Goal.target.detail[x].code" />
      <min value="1" />
      <fixedCode value="{sticks}/d" />
    </element>
    <element id="Goal.target:GM009.due[x]">
      <path value="Goal.target.due[x]" />
      <min value="1" />
      <type>
        <code value="Duration" />
      </type>
    </element>
    <element id="Goal.target:GM009.due[x].value">
      <path value="Goal.target.due[x].value" />
      <min value="1" />
      <minValueDecimal value="1.0" />
      <maxValueDecimal value="12.0" />
      <constraint>
        <key value="gm9-2" />
        <severity value="error" />
        <human value="Valid numeric value required" />
        <expression value="$this.toString().matches('^[0-9]*$')" />
      </constraint>
    </element>
    <element id="Goal.target:GM009.due[x].system">
      <path value="Goal.target.due[x].system" />
      <min value="1" />
      <fixedUri value="http://unitsofmeasure.org" />
    </element>
    <element id="Goal.target:GM009.due[x].code">
      <path value="Goal.target.due[x].code" />
      <min value="1" />
      <fixedCode value="mo" />
    </element>
    <element id="Goal.target:GM010">
      <path value="Goal.target" />
      <sliceName value="GM010" />
      <max value="1" />
    </element>
    <element id="Goal.target:GM010.measure.coding">
      <path value="Goal.target.measure.coding" />
      <max value="1" />
      <binding>
        <strength value="required" />
        <valueSet value="http://ihis.sg/ValueSet/hsg-goal-measure" />
      </binding>
    </element>
    <element id="Goal.target:GM010.measure.coding.code">
      <path value="Goal.target.measure.coding.code" />
      <fixedCode value="GM010" />
    </element>
    <element id="Goal.target:GM010.measure.text">
      <path value="Goal.target.measure.text" />
      <max value="0" />
    </element>
    <element id="Goal.target:GM010.due[x]">
      <path value="Goal.target.due[x]" />
      <slicing>
        <discriminator>
          <type value="type" />
          <path value="$this" />
        </discriminator>
        <ordered value="false" />
        <rules value="open" />
      </slicing>
      <min value="1" />
      <type>
        <code value="date" />
      </type>
    </element>
    <element id="Goal.target:GM010.due[x]:dueDuration">
      <path value="Goal.target.due[x]" />
      <sliceName value="dueDuration" />
      <max value="0" />
      <type>
        <code value="Duration" />
      </type>
    </element>
  </differential>
</StructureDefinition>