<?xml version="1.0" encoding="UTF-8"?>

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="CLUSTER"/>
  <text>
    <status value="extensions"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: StructureDefinition CLUSTER</b></p><table border="0" cellpadding="0" cellspacing="0" style="border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;"><tr style="border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top"><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="The logical name of the element">Name</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Information about the use of the element">Flags</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Minimum and Maximum # of times the element can appear in the instance">Card.</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px; width: 100px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Reference to the type of the element">Type</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Additional information about the element">Description &amp; Constraints</a><span style="float: right"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" 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: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #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_element.gif" alt="." style="background-color: white; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-CLUSTER-definitions.html#CLUSTER" title="The grouping variant of `ITEM`, which may contain further instances of `ITEM`, in an ordered list. ">CLUSTER</a><a name="CLUSTER"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="StructureDefinition-ITEM.html">ITEM</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">The grouping variant of `ITEM`, which may contain further instances of `ITEM`, in an ordered list.<br/><br/>Elements defined in Ancestors:<a href="StructureDefinition-LOCATABLE.html" title="Runtime name of this fragment, used to build runtime paths. This is the term provided via a clinical application or batch process to name this EHR construct: its retention in the EHR faithfully preserves the original label by which this entry was known to end users. 
">name</a>, <a href="StructureDefinition-LOCATABLE.html" title="Design-time archetype identifier of this node taken from its generating archetype; used to build archetype paths. Always in the form of an at-code, e.g.  `at0005`. This value enables a 'standardised' name for this node to be generated, by referring to the generating archetype local terminology. 

At an archetype root point, the value of this attribute is always the stringified form of the `_archetype_id_` found in the `_archetype_details_` object. 
">archetype_node_id</a>, <a href="StructureDefinition-LOCATABLE.html" title="Optional globally unique object identifier for root points of archetyped structures. ">uid</a>, <a href="StructureDefinition-LOCATABLE.html" title="Links to other archetyped structures (data whose root object inherits from `ARCHETYPED`, such as `ENTRY`, `SECTION` and so on). Links may be to structures in other compositions. ">links</a>, <a href="StructureDefinition-LOCATABLE.html" title="Details of archetyping used on this node.">archetype_details</a>, <a href="StructureDefinition-LOCATABLE.html" title="Audit trail from non-openEHR system of original commit of information forming the content of this node, or from a conversion gateway which has synthesised this node. ">feeder_audit</a><br/></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck00.png)" 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_resource.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Resource" class="hierarchy"/> <a href="StructureDefinition-CLUSTER-definitions.html#CLUSTER.items" title="Ordered list of items - `CLUSTER` or `ELEMENT` objects - under this `CLUSTER`. ">items</a><a name="CLUSTER.items"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="StructureDefinition-ITEM.html">ITEM</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Ordered list of items - `CLUSTER` or `ELEMENT` objects - under this `CLUSTER`.<br/></td></tr>
<tr><td colspan="5" class="hierarchy"><br/><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" 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>
  <extension url="http://hl7.org/fhir/tools/StructureDefinition/web-source">
    <valueUrl value="https://specifications.openehr.org/releases/RM/Release-1.1.0/data_structures.html#_cluster_class"/>
  </extension>
  <extension url="http://hl7.org/fhir/tools/StructureDefinition/view-hint">
    <valueCode value="element-view-ready"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="fhir"/>
  </extension>
  <extension url="http://hl7.org/fhir/tools/StructureDefinition/type-operation">
    <valueCanonical value="#concept"/>
  </extension>
  <extension url="http://hl7.org/fhir/tools/StructureDefinition/view-hint">
    <valueCode value="element-view-replace-cardinality"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="3">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
        <valueCanonical value="http://openehr.org/fhir/ImplementationGuide/openehr.base"/>
      </extension>
    </valueInteger>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="informative">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
        <valueCanonical value="http://openehr.org/fhir/ImplementationGuide/openehr.base"/>
      </extension>
    </valueCode>
  </extension>
  <url value="http://openehr.org/fhir/StructureDefinition/CLUSTER"/>
  <version value="0.1.0-snapshot"/>
  <name value="CLUSTER"/>
  <title value="CLUSTER"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2025-09-06T15:35:39+10:00"/>
  <publisher value="openEHR + HL7"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.openehr.org"/>
    </telecom>
  </contact>
  <description value="The grouping variant of `ITEM`, which may contain further instances of `ITEM`, in an ordered list. "/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
    </coding>
  </jurisdiction>
  <fhirVersion value="5.0.0"/>
  <mapping>
    <identity value="rim"/>
    <uri value="http://hl7.org/v3"/>
    <name value="RIM Mapping"/>
  </mapping>
  <kind value="logical"/>
  <abstract value="false"/>
  <type value="http://openehr.org/fhir/StructureDefinition/CLUSTER"/>
  <baseDefinition value="http://openehr.org/fhir/StructureDefinition/ITEM"/>
  <derivation value="specialization"/>
  <snapshot>
    <extension url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version">
      <valueString value="0.1.0-snapshot"/>
    </extension>
    <element id="CLUSTER">
      <path value="CLUSTER"/>
      <short value="The grouping variant of `ITEM`, which may contain further instances of `ITEM`, in an ordered list."/>
      <definition value="The grouping variant of `ITEM`, which may contain further instances of `ITEM`, in an ordered list. "/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Base"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <constraint>
        <key value="Links_valid"/>
        <severity value="error"/>
        <human value="Links valid must be present"/>
        <expression value="links.exists() implies links.empty().not()"/>
        <source value="http://openehr.org/fhir/StructureDefinition/LOCATABLE"/>
      </constraint>
      <constraint>
        <key value="Archetyped_valid"/>
        <severity value="error"/>
        <human value="Archetyped valid must satisfy exclusive conditions"/>
        <expression value="is_archetype_root() xor archetype_details .empty()"/>
        <source value="http://openehr.org/fhir/StructureDefinition/LOCATABLE"/>
      </constraint>
      <constraint>
        <key value="Archetype_node_id_valid"/>
        <severity value="error"/>
        <human value="Archetype node id valid must not be empty"/>
        <expression value="archetype_node_id.empty().not()"/>
        <source value="http://openehr.org/fhir/StructureDefinition/LOCATABLE"/>
      </constraint>
      <isModifier value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="CLUSTER.name">
      <path value="CLUSTER.name"/>
      <short value="Runtime name of this fragment, used to build runtime paths."/>
      <definition value="Runtime name of this fragment, used to build runtime paths. This is the term provided via a clinical application or batch process to name this EHR construct: its retention in the EHR faithfully preserves the original label by which this entry was known to end users."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="LOCATABLE.name"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="http://openehr.org/fhir/StructureDefinition/DV-TEXT"/>
      </type>
      <isModifier value="false"/>
    </element>
    <element id="CLUSTER.archetype-node-id">
      <path value="CLUSTER.archetype_node_id"/>
      <short value="Design-time archetype identifier of this node taken from its generating archetype; used to build archetype paths."/>
      <definition value="Design-time archetype identifier of this node taken from its generating archetype; used to build archetype paths. Always in the form of an at-code, e.g.  `at0005`. This value enables a 'standardised' name for this node to be generated, by referring to the generating archetype local terminology. &#xA;&#xA;At an archetype root point, the value of this attribute is always the stringified form of the `_archetype_id_` found in the `_archetype_details_` object."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="LOCATABLE.archetype_node_id"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isModifier value="false"/>
    </element>
    <element id="CLUSTER.uid">
      <path value="CLUSTER.uid"/>
      <short value="Optional globally unique object identifier for root points of archetyped structures."/>
      <definition value="Optional globally unique object identifier for root points of archetyped structures."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="LOCATABLE.uid"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="http://openehr.org/fhir/StructureDefinition/UID-BASED-ID"/>
      </type>
      <isModifier value="false"/>
    </element>
    <element id="CLUSTER.links">
      <path value="CLUSTER.links"/>
      <short value="Links to other archetyped structures (data whose root object inherits from `ARCHETYPED`, such as `ENTRY`, `SECTION` and so on)."/>
      <definition value="Links to other archetyped structures (data whose root object inherits from `ARCHETYPED`, such as `ENTRY`, `SECTION` and so on). Links may be to structures in other compositions."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="LOCATABLE.links"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="http://openehr.org/fhir/StructureDefinition/LINK"/>
      </type>
      <isModifier value="false"/>
    </element>
    <element id="CLUSTER.archetype-details">
      <path value="CLUSTER.archetype_details"/>
      <short value="Details of archetyping used on this node."/>
      <definition value="Details of archetyping used on this node."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="LOCATABLE.archetype_details"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="http://openehr.org/fhir/StructureDefinition/ARCHETYPED"/>
      </type>
      <isModifier value="false"/>
    </element>
    <element id="CLUSTER.feeder-audit">
      <path value="CLUSTER.feeder_audit"/>
      <short value="Audit trail from non-openEHR system of original commit of information forming the content of this node, or from a conversion gateway which has synthesised this node."/>
      <definition value="Audit trail from non-openEHR system of original commit of information forming the content of this node, or from a conversion gateway which has synthesised this node."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="LOCATABLE.feeder_audit"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="http://openehr.org/fhir/StructureDefinition/FEEDER-AUDIT"/>
      </type>
      <isModifier value="false"/>
    </element>
    <element id="CLUSTER.items">
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/view-hint">
        <extension url="name">
          <valueCode value="element-view-group"/>
        </extension>
        <extension url="value">
          <valueString value="Items"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/view-hint">
        <extension url="name">
          <valueCode value="element-view-order"/>
        </extension>
        <extension url="value">
          <valueInteger value="8"/>
        </extension>
      </extension>
      <path value="CLUSTER.items"/>
      <short value="Ordered list of items - `CLUSTER` or `ELEMENT` objects - under this `CLUSTER`."/>
      <definition value="Ordered list of items - `CLUSTER` or `ELEMENT` objects - under this `CLUSTER`."/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="CLUSTER.items"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code value="http://openehr.org/fhir/StructureDefinition/ITEM"/>
      </type>
      <isModifier value="false"/>
    </element>
  </snapshot>
  <differential>
    <element id="CLUSTER">
      <path value="CLUSTER"/>
      <short value="The grouping variant of `ITEM`, which may contain further instances of `ITEM`, in an ordered list."/>
      <definition value="The grouping variant of `ITEM`, which may contain further instances of `ITEM`, in an ordered list. "/>
      <min value="0"/>
      <max value="*"/>
      <isModifier value="false"/>
    </element>
    <element id="CLUSTER.items">
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/view-hint">
        <extension url="name">
          <valueCode value="element-view-group"/>
        </extension>
        <extension url="value">
          <valueString value="Items"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/tools/StructureDefinition/view-hint">
        <extension url="name">
          <valueCode value="element-view-order"/>
        </extension>
        <extension url="value">
          <valueInteger value="8"/>
        </extension>
      </extension>
      <path value="CLUSTER.items"/>
      <short value="Ordered list of items - `CLUSTER` or `ELEMENT` objects - under this `CLUSTER`."/>
      <definition value="Ordered list of items - `CLUSTER` or `ELEMENT` objects - under this `CLUSTER`. "/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="http://openehr.org/fhir/StructureDefinition/ITEM"/>
      </type>
      <isModifier value="false"/>
    </element>
  </differential>
</StructureDefinition>