<status value="active"/> <kind value="operation"/> <description value="True if path a_path' is a valid leaf path. "/> <code value="has_element_path"/> <system value="false"/> <instance value="true"/> <parameter> <name value="a_path"/> <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="boolean"/> </parameter> </OperationDefinition> </contained> <contained> <OperationDefinition> <id value="element_at_path"/> <name value="element_at_path"/> <title value="element_at_path"/> <status value="active"/> <kind value="operation"/> <description value="Return the leaf element at the path a_path'."/> <code value="element_at_path"/> <system value="false"/> <instance value="true"/> <parameter> <name value="a_path"/> <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="as_hierarchy"/> <name value="as_hierarchy"/> <title value="as_hierarchy"/> <status value="active"/> <kind value="operation"/> <description value="Generate a CEN EN13606-compatible hierarchy, which is the same as the tree's physical representation."/> <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_tree_class"/> </extension> <extension url="http://hl7.org/fhir/tools/StructureDefinition/type-operation"> <valueCanonical value="#has_element_path"/> </extension> <extension url="http://hl7.org/fhir/tools/StructureDefinition/type-operation"> <valueCanonical value="#element_at_path"/> </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-TREE"/> <version value="0.1.0-snapshot"/> <name value="ITEM_TREE"/> <title value="ITEM_TREE"/> <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 tree data structure. The tree may be empty. Used for representing data which are logically a tree such as audiology results, microbiology results, biochemistry results."/> <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_TREE"/> <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-snapshot"/> </extension> <element id="ITEM_TREE"> <path value="ITEM_TREE"/> <short value="Logical tree data structure."/> <definition value="Logical tree data structure. The tree may be empty. Used for representing data which are logically a tree such as audiology results, microbiology results, biochemistry results."/> <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="ITEM_TREE.name"> <path value="ITEM_TREE.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_TREE.archetype-node-id"> <path value="ITEM_TREE.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_TREE.uid"> <path value="ITEM_TREE.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_TREE.links"> <path value="ITEM_TREE.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_TREE.archetype-details"> <path value="ITEM_TREE.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_TREE.feeder-audit"> <path value="ITEM_TREE.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_TREE.items"> <path value="ITEM_TREE.items"/> <short value="The items comprising the `ITEM_TREE`."/> <definition value="The items comprising the `ITEM_TREE`. Can include 0 or more `CLUSTERs` and/or 0 or more individual `ELEMENTs`."/> <min value="0"/> <max value="*"/> <base> <path value="ITEM_TREE.items"/> <min value="0"/> <max value="*"/> </base> <type> <code value="http://openehr.org/fhir/StructureDefinition/ITEM"/> </type> <isModifier value="false"/> </element> </snapshot> <differential> <element id="ITEM_TREE"> <path value="ITEM_TREE"/> <short value="Logical tree data structure."/> <definition value="Logical tree data structure. The tree may be empty. Used for representing data which are logically a tree such as audiology results, microbiology results, biochemistry results."/> <min value="0"/> <max value="*"/> <isModifier value="false"/> </element> <element id="ITEM_TREE.items"> <path value="ITEM_TREE.items"/> <short value="The items comprising the `ITEM_TREE`."/> <definition value="The items comprising the `ITEM_TREE`. Can include 0 or more `CLUSTERs` and/or 0 or more individual `ELEMENTs`."/> <min value="0"/> <max value="*"/> <type> <code value="http://openehr.org/fhir/StructureDefinition/ITEM"/> </type> <isModifier value="false"/> </element> </differential> </StructureDefinition>

Generated Narrative: StructureDefinition ITEM-TREE

Name	Card.	Type	Description & Constraints
ITEM_TREE	0..*	ITEM_STRUCTURE	Logical tree data structure. Elements defined in Ancestors:name, archetype_node_id, uid, links, archetype_details, feeder_audit
items	0..*	ITEM	The items comprising the `ITEM_TREE`.
Documentation for this format