<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="http://ihis.sg/profile/G1" />
  <name value="G1" />
  <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="G1" />
    </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="g1-1" />
        <severity value="error" />
        <human value="If present, G1 goal measure allowed values are GM001, GM008" />
        <expression value="($this in ('GM001' | 'GM008'))" />
      </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:GM001">
      <path value="Goal.target" />
      <sliceName value="GM001" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Goal.target:GM001.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:GM001.measure.coding.code">
      <path value="Goal.target.measure.coding.code" />
      <fixedCode value="GM001" />
    </element>
    <element id="Goal.target:GM001.measure.text">
      <path value="Goal.target.measure.text" />
      <max value="0" />
    </element>
    <element id="Goal.target:GM001.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:GM001.detail[x].value">
      <path value="Goal.target.detail[x].value" />
      <min value="1" />
      <minValueDecimal value="1.0" />
      <maxValueDecimal value="999.9" />
    </element>
    <element id="Goal.target:GM001.detail[x].system">
      <path value="Goal.target.detail[x].system" />
      <min value="1" />
      <fixedUri value="http://unitsofmeasure.org" />
    </element>
    <element id="Goal.target:GM001.detail[x].code">
      <path value="Goal.target.detail[x].code" />
      <min value="1" />
      <fixedCode value="kg" />
    </element>
    <element id="Goal.target:GM001.due[x]">
      <path value="Goal.target.due[x]" />
      <max value="0" />
      <type>
        <code value="Duration" />
      </type>
    </element>
    <element id="Goal.target:GM008">
      <path value="Goal.target" />
      <sliceName value="GM008" />
      <max value="1" />
    </element>
    <element id="Goal.target:GM008.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:GM008.measure.coding.code">
      <path value="Goal.target.measure.coding.code" />
      <fixedCode value="GM008" />
    </element>
    <element id="Goal.target:GM008.measure.text">
      <path value="Goal.target.measure.text" />
      <max value="0" />
    </element>
    <element id="Goal.target:GM008.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:GM008.detail[x].value">
      <path value="Goal.target.detail[x].value" />
      <min value="1" />
      <minValueDecimal value="1.0" />
      <maxValueDecimal value="999.9" />
    </element>
    <element id="Goal.target:GM008.detail[x].system">
      <path value="Goal.target.detail[x].system" />
      <min value="1" />
      <fixedUri value="http://unitsofmeasure.org" />
    </element>
    <element id="Goal.target:GM008.detail[x].code">
      <path value="Goal.target.detail[x].code" />
      <min value="1" />
      <fixedCode value="kg" />
    </element>
    <element id="Goal.target:GM008.due[x]">
      <path value="Goal.target.due[x]" />
      <min value="1" />
      <type>
        <code value="Duration" />
      </type>
    </element>
    <element id="Goal.target:GM008.due[x].value">
      <path value="Goal.target.due[x].value" />
      <min value="1" />
      <minValueDecimal value="1.0" />
      <maxValueDecimal value="12.0" />
      <constraint>
        <key value="gm8-1" />
        <severity value="error" />
        <human value="Valid numeric value required" />
        <expression value="$this.toString().matches('^[0-9]*$')" />
      </constraint>
    </element>
    <element id="Goal.target:GM008.due[x].system">
      <path value="Goal.target.due[x].system" />
      <min value="1" />
      <fixedUri value="http://unitsofmeasure.org" />
    </element>
    <element id="Goal.target:GM008.due[x].code">
      <path value="Goal.target.due[x].code" />
      <min value="1" />
      <fixedCode value="mo" />
    </element>
  </differential>
</StructureDefinition>