OpenEHR Base package
0.1.0 - First Draft International flag

OpenEHR Base package, published by openEHR + HL7. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/FHIR/openehr-base-ig/ and changes regularly. See the Directory of published versions

Logical Model: ACTIVITY - XML Profile

Page standards status: Informative Maturity Level: 3

XML representation of the ACTIVITY logical model.

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<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ACTIVITY"/>
  <text>
    <status value="extensions"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: StructureDefinition ACTIVITY</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-ACTIVITY-definitions.html#ACTIVITY" title="Defines a single activity within an Instruction, such as a medication administration.">ACTIVITY</a><a name="ACTIVITY"> </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-LOCATABLE.html">LOCATABLE</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"><br/>Elements defined in Ancestors:<a href="StructureDefinition-PATHABLE.html" title="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-PATHABLE.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.">archetype_node_id</a>, <a href="StructureDefinition-PATHABLE.html" title="Optional globally unique object identifier for root points of archetyped structures.">uid</a>, <a href="StructureDefinition-PATHABLE.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-PATHABLE.html" title="Details of archetyping used on this node.">archetype_details</a>, <a href="StructureDefinition-PATHABLE.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>, <a href="StructureDefinition-LOCATABLE.html" title="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.">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/>Defines a single activity within an Instruction, such as a medication administration<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_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.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-ACTIVITY-definitions.html#ACTIVITY.timing" title="Timing of the activity, in the form of a parsable string. If used, the preferred syntax is ISO8601 'R' format, but other formats may be used including HL7 GTS.">timing</a><a name="ACTIVITY.timing"> </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">0..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-DV-PARSABLE.html">DV_PARSABLE</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">Timing of the activity, in the form of a parsable string</td></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_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ACTIVITY-definitions.html#ACTIVITY.action-archetype-id" title="Perl-compliant regular expression pattern, enclosed in '//' delimiters, indicating the valid identifiers of archetypes for Actions corresponding to this Activity specification. Defaults to /.*/, meaning any archetype.">action_archetype_id</a><a name="ACTIVITY.action_archetype_id"> </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">1..1</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="http://hl7.org/fhir/R5/datatypes.html#string">string</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">Perl-compliant regular expression pattern indicating the valid identifiers of archetypes for Actions corresponding to this Activity</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-ACTIVITY-definitions.html#ACTIVITY.description" title="Description of the activity, in the form of an archetyped structure.">description</a><a name="ACTIVITY.description"> </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..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-STRUCTURE.html">ITEM_STRUCTURE</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">Description of the activity, in the form of an archetyped structure</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/development/ehr.html#_activity_class"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="fhir"/>
  </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/ACTIVITY"/>
  <version value="0.1.0"/>
  <name value="ACTIVITY"/>
  <title value="ACTIVITY"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2024-12-31T18:45:58+10:00"/>
  <publisher value="openEHR + HL7"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.openehr.org"/>
    </telecom>
  </contact>
  <description
               value="Used to specify actions in the future. Enables simple and complex specifications to be expressed, including in a fully-computable workflow form. Used for any actionable statement such as medication and therapeutic orders, monitoring, recall and review. Enough details must be provided for the specification to be directly executed by an actor, either human or machine. Not to be used for plan items which are only specified in general terms."/>
  <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/ACTIVITY"/>
  <baseDefinition
                  value="http://openehr.org/fhir/StructureDefinition/LOCATABLE"/>
  <derivation value="specialization"/>
  <snapshot>
    <extension
               url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version">
      <valueString value="0.1.0"/>
    </extension>
    <element id="ACTIVITY">
      <path value="ACTIVITY"/>
      <short
             value="Defines a single activity within an Instruction, such as a medication administration"/>
      <definition
                  value="Defines a single activity within an Instruction, such as a medication administration."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Base"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <isModifier value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="ACTIVITY.name">
      <path value="ACTIVITY.name"/>
      <short
             value="Runtime name of this fragment, used to build runtime paths"/>
      <definition
                  value="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="PATHABLE.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="ACTIVITY.archetype-node-id">
      <path value="ACTIVITY.archetype_node_id"/>
      <short
             value="Design-time archetype identifier of this node taken from its generating archetype"/>
      <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."/>
      <comment
               value="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="PATHABLE.archetype_node_id"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isModifier value="false"/>
    </element>
    <element id="ACTIVITY.uid">
      <path value="ACTIVITY.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="PATHABLE.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="ACTIVITY.links">
      <path value="ACTIVITY.links"/>
      <short value="Links to other archetyped structures"/>
      <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="PATHABLE.links"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="http://openehr.org/fhir/StructureDefinition/LINK"/>
      </type>
      <isModifier value="false"/>
    </element>
    <element id="ACTIVITY.archetype-details">
      <path value="ACTIVITY.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="PATHABLE.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="ACTIVITY.feeder-audit">
      <path value="ACTIVITY.feeder_audit"/>
      <short
             value="Audit trail from non-openEHR system of original commit of information forming the content of 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="PATHABLE.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="ACTIVITY.timing">
      <path value="ACTIVITY.timing"/>
      <short
             value="Timing of the activity, in the form of a parsable string"/>
      <definition
                  value="Timing of the activity, in the form of a parsable string. If used, the preferred syntax is ISO8601 'R' format, but other formats may be used including HL7 GTS."/>
      <comment
               value="May be omitted if: timing is represented structurally in the description attribute (e.g. via archetyped elements), or unavailable, e.g. imported legacy data; in such cases, the INSTRUCTION.narrative should carry text that indicates the timing of its activities."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ACTIVITY.timing"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code
              value="http://openehr.org/fhir/StructureDefinition/DV-PARSABLE"/>
      </type>
      <isModifier value="false"/>
    </element>
    <element id="ACTIVITY.action-archetype-id">
      <path value="ACTIVITY.action_archetype_id"/>
      <short
             value="Perl-compliant regular expression pattern indicating the valid identifiers of archetypes for Actions corresponding to this Activity"/>
      <definition
                  value="Perl-compliant regular expression pattern, enclosed in '//' delimiters, indicating the valid identifiers of archetypes for Actions corresponding to this Activity specification. Defaults to /.*/, meaning any archetype."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ACTIVITY.action_archetype_id"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isModifier value="false"/>
    </element>
    <element id="ACTIVITY.description">
      <path value="ACTIVITY.description"/>
      <short
             value="Description of the activity, in the form of an archetyped structure"/>
      <definition
                  value="Description of the activity, in the form of an archetyped structure."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ACTIVITY.description"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code
              value="http://openehr.org/fhir/StructureDefinition/ITEM-STRUCTURE"/>
      </type>
      <isModifier value="false"/>
    </element>
  </snapshot>
  <differential>
    <element id="ACTIVITY">
      <path value="ACTIVITY"/>
      <short
             value="Defines a single activity within an Instruction, such as a medication administration"/>
      <definition
                  value="Defines a single activity within an Instruction, such as a medication administration."/>
      <min value="0"/>
      <max value="*"/>
      <isModifier value="false"/>
    </element>
    <element id="ACTIVITY.timing">
      <path value="ACTIVITY.timing"/>
      <short
             value="Timing of the activity, in the form of a parsable string"/>
      <definition
                  value="Timing of the activity, in the form of a parsable string. If used, the preferred syntax is ISO8601 'R' format, but other formats may be used including HL7 GTS."/>
      <comment
               value="May be omitted if: timing is represented structurally in the description attribute (e.g. via archetyped elements), or unavailable, e.g. imported legacy data; in such cases, the INSTRUCTION.narrative should carry text that indicates the timing of its activities."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code
              value="http://openehr.org/fhir/StructureDefinition/DV-PARSABLE"/>
      </type>
      <isModifier value="false"/>
    </element>
    <element id="ACTIVITY.action-archetype-id">
      <path value="ACTIVITY.action_archetype_id"/>
      <short
             value="Perl-compliant regular expression pattern indicating the valid identifiers of archetypes for Actions corresponding to this Activity"/>
      <definition
                  value="Perl-compliant regular expression pattern, enclosed in '//' delimiters, indicating the valid identifiers of archetypes for Actions corresponding to this Activity specification. Defaults to /.*/, meaning any archetype."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="string"/>
      </type>
      <isModifier value="false"/>
    </element>
    <element id="ACTIVITY.description">
      <path value="ACTIVITY.description"/>
      <short
             value="Description of the activity, in the form of an archetyped structure"/>
      <definition
                  value="Description of the activity, in the form of an archetyped structure."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code
              value="http://openehr.org/fhir/StructureDefinition/ITEM-STRUCTURE"/>
      </type>
      <isModifier value="false"/>
    </element>
  </differential>
</StructureDefinition>