<status value="active"/> <date value="2026-10-06T14:15:03+00:00"/> <publisher value="WHO"/> <contact> <name value="WHO"/> <telecom> <system value="url"/> <value value="http://who.int"/> </telecom> </contact> <description value="A code in an external terminology — ICD-10, ICD-11, SNOMED CT, ATC, or a WHO classification such as CDHI. CROSS-REFERENCE ONLY. It records system, code and display, and asserts NOTHING about the terminology: no hierarchy, no subsumption, no synonyms, no post-coordination. The terminology has its own authority, its own release cycle and its own tooling, and a partial copy here would be wrong within one release. Resolve meaning against the terminology server, not against this graph. Derives from Coding (FHIR R4 core datatype); system, code, display, version are its elements. Class IRI: http://smart.who.int/kg/terminology-code."/> <fhirVersion value="4.0.1"/> <mapping> <identity value="v2"/> <uri value="http://hl7.org/v2"/> <name value="HL7 v2 Mapping"/> </mapping> <mapping> <identity value="rim"/> <uri value="http://hl7.org/v3"/> <name value="RIM Mapping"/> </mapping> <mapping> <identity value="orim"/> <uri value="http://hl7.org/orim"/> <name value="Ontological RIM Mapping"/> </mapping> <kind value="logical"/> <abstract value="false"/> <type value="http://smart.who.int/base/StructureDefinition/KGTerminologyCode"/> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Coding"/> <derivation value="specialization"/> <snapshot> <extension url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version"> <valueString value="4.0.1"/> </extension> <element id="KGTerminologyCode"> <path value="KGTerminologyCode"/> <short value="Knowledge graph L1: Terminology code"/> <definition value="A code in an external terminology — ICD-10, ICD-11, SNOMED CT, ATC, or a WHO classification such as CDHI. CROSS-REFERENCE ONLY. It records system, code and display, and asserts NOTHING about the terminology: no hierarchy, no subsumption, no synonyms, no post-coordination. The terminology has its own authority, its own release cycle and its own tooling, and a partial copy here would be wrong within one release. Resolve meaning against the terminology server, not against this graph. Derives from Coding (FHIR R4 core datatype); system, code, display, version are its elements. Class IRI: http://smart.who.int/kg/terminology-code."/> <comment value="Codes may be defined very casually in enumerations or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information."/> <min value="0"/> <max value="*"/> <base> <path value="Coding"/> <min value="0"/> <max value="*"/> </base> <condition value="ele-1"/> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <isModifier value="false"/> <mapping> <identity value="rim"/> <map value="n/a"/> </mapping> <mapping> <identity value="v2"/> <map value="CE/CNE/CWE subset one of the sets of component 1-3 or 4-6"/> </mapping> <mapping> <identity value="rim"/> <map value="CV"/> </mapping> <mapping> <identity value="orim"/> <map value="fhir:Coding rdfs:subClassOf dt:CDCoding"/> </mapping> </element> <element id="KGTerminologyCode.id"> <path value="KGTerminologyCode.id"/> <representation value="xmlAttr"/> <short value="Unique id for inter-element referencing"/> <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/> <min value="0"/> <max value="1"/> <base> <path value="Element.id"/> <min value="0"/> <max value="1"/> </base> <type> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"> <valueUrl value="string"/> </extension> <code value="http://hl7.org/fhirpath/System.String"/> </type> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="n/a"/> </mapping> </element> <element id="KGTerminologyCode.extension"> <path value="KGTerminologyCode.extension"/> <slicing> <discriminator> <type value="value"/> <path value="url"/> </discriminator> <description value="Extensions are always sliced by (at least) url"/> <rules value="open"/> </slicing> <short value="Additional content defined by implementations"/> <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/> <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/> <alias value="extensions"/> <alias value="user content"/> <min value="0"/> <max value="*"/> <base> <path value="Element.extension"/> <min value="0"/> <max value="*"/> </base> <type> <code value="Extension"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <constraint> <key value="ext-1"/> <severity value="error"/> <human value="Must have either extensions or value[x], not both"/> <expression value="extension.exists() != value.exists()"/> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])"/> <source value="http://hl7.org/fhir/StructureDefinition/Extension"/> </constraint> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="n/a"/> </mapping> </element> <element id="KGTerminologyCode.system"> <path value="KGTerminologyCode.system"/> <short value="Identity of the terminology system"/> <definition value="The identification of the code system that defines the meaning of the symbol in the code."/> <comment value="The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...). OIDs and UUIDs SHALL be references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of FHIR defined special URIs or it should reference to some definition that establishes the system clearly and unambiguously."/> <requirements value="Need to be unambiguous about the source of the definition of the symbol."/> <min value="0"/> <max value="1"/> <base> <path value="Coding.system"/> <min value="0"/> <max value="1"/> </base> <type> <code value="uri"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <isModifier value="false"/> <isSummary value="true"/> <mapping> <identity value="v2"/> <map value="C*E.3"/> </mapping> <mapping> <identity value="rim"/> <map value="./codeSystem"/> </mapping> <mapping> <identity value="orim"/> <map value="fhir:Coding.system rdfs:subPropertyOf dt:CDCoding.codeSystem"/> </mapping> </element> <element id="KGTerminologyCode.version"> <path value="KGTerminologyCode.version"/> <short value="Version of the system - if relevant"/> <definition value="The version of the code system which was used when choosing this code. Note that a well-maintained code system does not need the version reported, because the meaning of codes is consistent across versions. However this cannot consistently be assured, and when the meaning is not guaranteed to be consistent, the version SHOULD be exchanged."/> <comment value="Where the terminology does not clearly define what string should be used to identify code system versions, the recommendation is to use the date (expressed in FHIR date format) on which that version was officially published as the version date."/> <min value="0"/> <max value="1"/> <base> <path value="Coding.version"/> <min value="0"/> <max value="1"/> </base> <type> <code value="string"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <isModifier value="false"/> <isSummary value="true"/> <mapping> <identity value="v2"/> <map value="C*E.7"/> </mapping> <mapping> <identity value="rim"/> <map value="./codeSystemVersion"/> </mapping> <mapping> <identity value="orim"/> <map value="fhir:Coding.version rdfs:subPropertyOf dt:CDCoding.codeSystemVersion"/> </mapping> </element> <element id="KGTerminologyCode.code"> <path value="KGTerminologyCode.code"/> <short value="Symbol in syntax defined by the system"/> <definition value="A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination)."/> <requirements value="Need to refer to a particular code in the system."/> <min value="0"/> <max value="1"/> <base> <path value="Coding.code"/> <min value="0"/> <max value="1"/> </base> <type> <code value="code"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <isModifier value="false"/> <isSummary value="true"/> <mapping> <identity value="v2"/> <map value="C*E.1"/> </mapping> <mapping> <identity value="rim"/> <map value="./code"/> </mapping> <mapping> <identity value="orim"/> <map value="fhir:Coding.code rdfs:subPropertyOf dt:CDCoding.code"/> </mapping> </element> <element id="KGTerminologyCode.display"> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable"> <valueBoolean value="true"/> </extension> <path value="KGTerminologyCode.display"/> <short value="Representation defined by the system"/> <definition value="A representation of the meaning of the code in the system, following the rules of the system."/> <requirements value="Need to be able to carry a human-readable meaning of the code for readers that do not know the system."/> <min value="0"/> <max value="1"/> <base> <path value="Coding.display"/> <min value="0"/> <max value="1"/> </base> <type> <code value="string"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <isModifier value="false"/> <isSummary value="true"/> <mapping> <identity value="v2"/> <map value="C*E.2 - but note this is not well followed"/> </mapping> <mapping> <identity value="rim"/> <map value="CV.displayName"/> </mapping> <mapping> <identity value="orim"/> <map value="fhir:Coding.display rdfs:subPropertyOf dt:CDCoding.displayName"/> </mapping> </element> <element id="KGTerminologyCode.userSelected"> <path value="KGTerminologyCode.userSelected"/> <short value="If this coding was chosen directly by the user"/> <definition value="Indicates that this coding was chosen by a user directly - e.g. off a pick list of available items (codes or displays)."/> <comment value="Amongst a set of alternatives, a directly chosen code is the most appropriate starting point for new translations. There is some ambiguity about what exactly 'directly chosen' implies, and trading partner agreement may be needed to clarify the use of this element and its consequences more completely."/> <requirements value="This has been identified as a clinical safety criterium - that this exact system/code pair was chosen explicitly, rather than inferred by the system based on some rules or language processing."/> <min value="0"/> <max value="1"/> <base> <path value="Coding.userSelected"/> <min value="0"/> <max value="1"/> </base> <type> <code value="boolean"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <isModifier value="false"/> <isSummary value="true"/> <mapping> <identity value="v2"/> <map value="Sometimes implied by being first"/> </mapping> <mapping> <identity value="rim"/> <map value="CD.codingRationale"/> </mapping> <mapping> <identity value="orim"/> <map value="fhir:Coding.userSelected fhir:mapsTo dt:CDCoding.codingRationale. fhir:Coding.userSelected fhir:hasMap fhir:Coding.userSelected.map. fhir:Coding.userSelected.map a fhir:Map; fhir:target dt:CDCoding.codingRationale. fhir:Coding.userSelected\#true a [ fhir:source "true"; fhir:target dt:CDCoding.codingRationale\#O ]"/> </mapping> </element> </snapshot> <differential> <element id="KGTerminologyCode"> <path value="KGTerminologyCode"/> <short value="Knowledge graph L1: Terminology code"/> <definition value="A code in an external terminology — ICD-10, ICD-11, SNOMED CT, ATC, or a WHO classification such as CDHI. CROSS-REFERENCE ONLY. It records system, code and display, and asserts NOTHING about the terminology: no hierarchy, no subsumption, no synonyms, no post-coordination. The terminology has its own authority, its own release cycle and its own tooling, and a partial copy here would be wrong within one release. Resolve meaning against the terminology server, not against this graph. Derives from Coding (FHIR R4 core datatype); system, code, display, version are its elements. Class IRI: http://smart.who.int/kg/terminology-code."/> </element> </differential> </StructureDefinition>

English

Generated Narrative: StructureDefinition KGTerminologyCode

Name	Flags	Card.	Type	Description & Constraints
KGTerminologyCode		0..*	Coding	Knowledge graph L1: Terminology code Elements defined in Ancestors:@id, extension, system, version, code, display, userSelected
Documentation for this format

French

Narratif généré : DéfinitionStructure KGTerminologyCode

Nom	Drapeaux	Card.	Type	Description et contraintes
KGTerminologyCode		0..*	Coding	Knowledge graph L1: Terminology code Éléments définis dans les ancêtres :@id, extension, system, version, code, display, userSelected
Documentation pour ce format

Arabic

السرد المُنشأ: StructureDefinition KGTerminologyCode

الاسم	الأعلام	البطاقة.	النوع	الوصف والقيود
KGTerminologyCode		0..*	Coding	Knowledge graph L1: Terminology code العناصر المحددة في الأسلاف:@id, extension, system, version, code, display, userSelected
الوثائق الخاصة بهذا التنسيق

Chinese

Generated Narrative: 结构定义 KGTerminologyCode

Name	Flags	Card.	Type	Description & Constraints
KGTerminologyCode		0..*	Coding	Knowledge graph L1: Terminology code Elements defined in Ancestors:@id, extension, system, version, code, display, userSelected
Documentation for this format

Russian

Сгенерированный нарратив: StructureDefinition KGTerminologyCode

Наименование	Флаги	Карта.	Тип	Описание и ограничения
KGTerminologyCode		0..*	Coding	Knowledge graph L1: Terminology code Элементы, определенные в предках:@id, extension, system, version, code, display, userSelected
Документация для этого формата

Spanish

Generated Narrative: DefinicionDeEstructura KGTerminologyCode

Name	Flags	Card.	Type	Description & Constraints
KGTerminologyCode		0..*	Coding	Knowledge graph L1: Terminology code Elements defined in Ancestors:@id, extension, system, version, code, display, userSelected
Documentation for this format