<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://example.org/fhir/StructureDefinition/dialsys-property" />
  <name value="DialsysProperty" />
  <status value="draft" />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Procedure" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension.extension">
      <path value="Extension.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="4" />
    </element>
    <element id="Extension.extension:dialysis-interval">
      <path value="Extension.extension" />
      <sliceName value="dialysis-interval" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:dialysis-interval.url">
      <path value="Extension.extension.url" />
      <fixedUri value="dialysis-interval" />
    </element>
    <element id="Extension.extension:dialysis-interval.value[x]">
      <path value="Extension.extension.value[x]" />
      <min value="1" />
      <type>
        <code value="Timing" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:dialysis-interval.value[x].repeat">
      <path value="Extension.extension.value[x].repeat" />
      <min value="1" />
    </element>
    <element id="Extension.extension:dialysis-interval.value[x].repeat.frequency">
      <path value="Extension.extension.value[x].repeat.frequency" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:dialysis-interval.value[x].repeat.period">
      <path value="Extension.extension.value[x].repeat.period" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:dialysis-interval.value[x].repeat.periodUnit">
      <path value="Extension.extension.value[x].repeat.periodUnit" />
      <min value="1" />
    </element>
    <element id="Extension.extension:dialysis-blood-rate">
      <path value="Extension.extension" />
      <sliceName value="dialysis-blood-rate" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:dialysis-blood-rate.url">
      <path value="Extension.extension.url" />
      <fixedUri value="dialysis-blood-rate" />
    </element>
    <element id="Extension.extension:dialysis-blood-rate.value[x]">
      <path value="Extension.extension.value[x]" />
      <min value="1" />
      <type>
        <code value="Quantity" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:dialysis-blood-rate.value[x].system">
      <path value="Extension.extension.value[x].system" />
      <min value="1" />
      <fixedUri value="http://unitsofmeasure.org" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:dialysis-blood-rate.value[x].code">
      <path value="Extension.extension.value[x].code" />
      <min value="1" />
      <fixedCode value="m/min" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:dialysis-duration">
      <path value="Extension.extension" />
      <sliceName value="dialysis-duration" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:dialysis-duration.url">
      <path value="Extension.extension.url" />
      <fixedUri value="dialysis-duration" />
    </element>
    <element id="Extension.extension:dialysis-duration.value[x]">
      <path value="Extension.extension.value[x]" />
      <min value="1" />
      <type>
        <code value="Quantity" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:dialysis-duration.value[x].system">
      <path value="Extension.extension.value[x].system" />
      <min value="1" />
      <fixedUri value="http://unitsofmeasure.org" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:dialysis-duration.value[x].code">
      <path value="Extension.extension.value[x].code" />
      <min value="1" />
      <fixedCode value="h" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:heparin-concentration">
      <path value="Extension.extension" />
      <sliceName value="heparin-concentration" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="false" />
    </element>
    <element id="Extension.extension:heparin-concentration.extension">
      <path value="Extension.extension.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="2" />
    </element>
    <element id="Extension.extension:heparin-concentration.extension:intinal">
      <path value="Extension.extension.extension" />
      <sliceName value="intinal" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:heparin-concentration.extension:intinal.url">
      <path value="Extension.extension.extension.url" />
      <fixedUri value="intinal" />
    </element>
    <element id="Extension.extension:heparin-concentration.extension:intinal.value[x]">
      <path value="Extension.extension.extension.value[x]" />
      <min value="1" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="Extension.extension:heparin-concentration.extension:intinal.value[x].system">
      <path value="Extension.extension.extension.value[x].system" />
      <min value="1" />
      <fixedUri value="http://unitsofmeasure.org" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:heparin-concentration.extension:intinal.value[x].code">
      <path value="Extension.extension.extension.value[x].code" />
      <min value="1" />
      <fixedCode value="[IU]" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:heparin-concentration.extension:main">
      <path value="Extension.extension.extension" />
      <sliceName value="main" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:heparin-concentration.extension:main.url">
      <path value="Extension.extension.extension.url" />
      <fixedUri value="main" />
    </element>
    <element id="Extension.extension:heparin-concentration.extension:main.value[x]">
      <path value="Extension.extension.extension.value[x]" />
      <min value="1" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="Extension.extension:heparin-concentration.extension:main.value[x].system">
      <path value="Extension.extension.extension.value[x].system" />
      <min value="1" />
      <fixedUri value="http://unitsofmeasure.org" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:heparin-concentration.extension:main.value[x].code">
      <path value="Extension.extension.extension.value[x].code" />
      <min value="1" />
      <fixedCode value="[IU]/h" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:heparin-concentration.url">
      <path value="Extension.extension.url" />
      <fixedUri value="heparin-concentration" />
    </element>
    <element id="Extension.extension:heparin-concentration.value[x]">
      <path value="Extension.extension.value[x]" />
      <max value="0" />
    </element>
    <element id="Extension.extension:dialysis-dry-weight">
      <path value="Extension.extension" />
      <sliceName value="dialysis-dry-weight" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:dialysis-dry-weight.url">
      <path value="Extension.extension.url" />
      <fixedUri value="dialysis-dry-weight" />
    </element>
    <element id="Extension.extension:dialysis-dry-weight.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="Extension.extension:dialysis-dry-weight.value[x].unit">
      <path value="Extension.extension.value[x].unit" />
      <min value="1" />
      <fixedString value="kg" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:dialysis-dry-weight.value[x].system">
      <path value="Extension.extension.value[x].system" />
      <min value="1" />
      <fixedUri value="http://unitsofmeasure.org" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.extension:dialysis-dry-weight.value[x].code">
      <path value="Extension.extension.value[x].code" />
      <min value="1" />
      <fixedCode value="kg" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="https://example.org/fhir/StructureDefinition/dialsys-property" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>