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/openehr-fhir/base-spec/ and changes regularly. See the Directory of published versions

Logical Model: ITEM_LIST - XML Profile

Page standards status: Informative Maturity Level: 3

XML representation of the ITEM-LIST logical model.

Raw xml | Download


<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ITEM-LIST"/>
  <text>
    <status value="extensions"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: StructureDefinition ITEM-LIST</b></p><a name="ITEM-LIST"> </a><a name="hcITEM-LIST"> </a><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-ITEM-LIST-definitions.html#ITEM_LIST" title="Logical list data structure, where each item has a value and can be referred to by a name and a positional index in the list. The list may be empty. 

`ITEM_LIST` is used to represent any data which is logically a list of values, such as blood pressure, most protocols, many blood tests etc. 

Not to be used for time-based lists, which should be represented with the proper temporal class, i.e. `HISTORY`.">ITEM_LIST</a><a name="ITEM_LIST"> </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"><a style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold; color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold; color: #301212; background-color: #fdf4f4;" href="http://hl7.org/fhir/R5/conformance-rules.html#constraints" title="This element has or is affected by constraints ( Valid_structure )">C</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">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-STRUCTURE.html">ITEM_STRUCTURE</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">Logical list data structure, where each item has a value and can be referred to by a name and a positional index in the 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 class="constraint"/><span title="null" class="constraint">Constraints: </span><span style="font-weight:bold" title="Valid structure" class="constraint">Valid_structure</span><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-ITEM-LIST-definitions.html#ITEM_LIST.items" title="Physical representation of the list. ">items</a><a name="ITEM_LIST.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">0..*</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-ELEMENT.html">ELEMENT</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">Physical representation of the list.<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>
  <contained>
    <OperationDefinition>
      <id value="item_count"/>
      <name value="item_count"/>
      <title value="item_count"/>
      <status value="active"/>
      <kind value="operation"/>
      <description value="Count of all items."/>
      <code value="item_count"/>
      <system value="false"/>
      <instance value="true"/>
      <parameter>
        <name value="return"/>
        <use value="out"/>
        <min value="1"/>
        <max value="1"/>
        <type value="integer"/>
      </parameter>
    </OperationDefinition>
  </contained>
  <contained>
    <OperationDefinition>
      <id value="names"/>
      <name value="names"/>
      <title value="names"/>
      <status value="active"/>
      <kind value="operation"/>
      <description value="Retrieve the names of all items."/>
      <code value="names"/>
      <system value="false"/>
      <instance value="true"/>
      <parameter>
        <name value="return"/>
        <use value="out"/>
        <min value="1"/>
        <max value="1"/>
        <type value="string"/>
      </parameter>
    </OperationDefinition>
  </contained>
  <contained>
    <OperationDefinition>
      <id value="named_item"/>
      <name value="named_item"/>
      <title value="named_item"/>
      <status value="active"/>
      <kind value="operation"/>
      <description value="Retrieve the item with name ‘a_name’."/>
      <code value="named_item"/>
      <system value="false"/>
      <instance value="true"/>
      <parameter>
        <name value="a_name"/>
        <use value="in"/>
        <min value="1"/>
        <max value="1"/>
        <type value="string"/>
      </parameter>
      <parameter>
        <name value="return"/>
        <use value="out"/>
        <min value="1"/>
        <max value="1"/>
        <type value="Parameters"/>
      </parameter>
    </OperationDefinition>
  </contained>
  <contained>
    <OperationDefinition>
      <id value="ith_item"/>
      <name value="ith_item"/>
      <title value="ith_item"/>
      <status value="active"/>
      <kind value="operation"/>
      <description value="Retrieve the i-th item with name."/>
      <code value="ith_item"/>
      <system value="false"/>
      <instance value="true"/>
      <parameter>
        <name value="i"/>
        <use value="in"/>
        <min value="1"/>
        <max value="1"/>
        <type value="integer"/>
      </parameter>
      <parameter>
        <name value="return"/>
        <use value="out"/>
        <min value="1"/>
        <max value="1"/>
        <type value="Parameters"/>
      </parameter>
    </OperationDefinition>
  </contained>
  <contained>
    <OperationDefinition>
      <id value="as_hierarchy"/>
      <name value="as_hierarchy"/>
      <title value="as_hierarchy"/>
      <status value="active"/>
      <kind value="operation"/>
      <description
                   value="Generate a CEN EN13606-compatible hierarchy consisting of a single `CLUSTER` containing the `ELEMENTs` of this list."/>
      <code value="as_hierarchy"/>
      <system value="false"/>
      <instance value="true"/>
      <parameter>
        <name value="return"/>
        <use value="out"/>
        <min value="1"/>
        <max value="1"/>
        <type value="Parameters"/>
      </parameter>
    </OperationDefinition>
  </contained>
  <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#_item_list_class"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/tools/StructureDefinition/type-operation">
    <valueCanonical value="#item_count"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/tools/StructureDefinition/type-operation">
    <valueCanonical value="#names"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/tools/StructureDefinition/type-operation">
    <valueCanonical value="#named_item"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/tools/StructureDefinition/type-operation">
    <valueCanonical value="#ith_item"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/tools/StructureDefinition/type-operation">
    <valueCanonical value="#as_hierarchy"/>
  </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/ITEM-LIST"/>
  <version value="0.1.0"/>
  <name value="ITEM_LIST"/>
  <title value="ITEM_LIST"/>
  <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="Logical list data structure, where each item has a value and can be referred to by a name and a positional index in the list. The list may be empty. 

`ITEM_LIST` is used to represent any data which is logically a list of values, such as blood pressure, most protocols, many blood tests etc. 

Not to be used for time-based lists, which should be represented with the proper temporal class, i.e. `HISTORY`."/>
  <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/ITEM_LIST"/>
  <baseDefinition
                  value="http://openehr.org/fhir/StructureDefinition/ITEM-STRUCTURE"/>
  <derivation value="specialization"/>
  <snapshot>
    <extension
               url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version">
      <valueString value="0.1.0"/>
    </extension>
    <element id="ITEM_LIST">
      <path value="ITEM_LIST"/>
      <short
             value="Logical list data structure, where each item has a value and can be referred to by a name and a positional index in the list."/>
      <definition
                  value="Logical list data structure, where each item has a value and can be referred to by a name and a positional index in the list. The list may be empty. 

`ITEM_LIST` is used to represent any data which is logically a list of values, such as blood pressure, most protocols, many blood tests etc. 

Not to be used for time-based lists, which should be represented with the proper temporal class, i.e. `HISTORY`."/>
      <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>
      <constraint>
        <key value="Valid_structure"/>
        <severity value="error"/>
        <human value="Valid structure"/>
        <expression
                    value=" items.forall (i:ITEM | i.type() = \&quot;ELEMENT\&quot;)"/>
      </constraint>
      <isModifier value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="ITEM_LIST.name">
      <path value="ITEM_LIST.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="ITEM_LIST.archetype-node-id">
      <path value="ITEM_LIST.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. 

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="ITEM_LIST.uid">
      <path value="ITEM_LIST.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="ITEM_LIST.links">
      <path value="ITEM_LIST.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="ITEM_LIST.archetype-details">
      <path value="ITEM_LIST.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="ITEM_LIST.feeder-audit">
      <path value="ITEM_LIST.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="ITEM_LIST.items">
      <path value="ITEM_LIST.items"/>
      <short value="Physical representation of the list."/>
      <definition value="Physical representation of the list."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ITEM_LIST.items"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="http://openehr.org/fhir/StructureDefinition/ELEMENT"/>
      </type>
      <isModifier value="false"/>
    </element>
  </snapshot>
  <differential>
    <element id="ITEM_LIST">
      <path value="ITEM_LIST"/>
      <short
             value="Logical list data structure, where each item has a value and can be referred to by a name and a positional index in the list."/>
      <definition
                  value="Logical list data structure, where each item has a value and can be referred to by a name and a positional index in the list. The list may be empty. 

`ITEM_LIST` is used to represent any data which is logically a list of values, such as blood pressure, most protocols, many blood tests etc. 

Not to be used for time-based lists, which should be represented with the proper temporal class, i.e. `HISTORY`."/>
      <min value="0"/>
      <max value="*"/>
      <constraint>
        <key value="Valid_structure"/>
        <severity value="error"/>
        <human value="Valid structure"/>
        <expression
                    value=" items.forall (i:ITEM | i.type() = \&quot;ELEMENT\&quot;)"/>
      </constraint>
      <isModifier value="false"/>
    </element>
    <element id="ITEM_LIST.items">
      <path value="ITEM_LIST.items"/>
      <short value="Physical representation of the list."/>
      <definition value="Physical representation of the list. "/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="http://openehr.org/fhir/StructureDefinition/ELEMENT"/>
      </type>
      <isModifier value="false"/>
    </element>
  </differential>
</StructureDefinition>