ISiK Basis Implementierungsleitfaden
Version 6.0.0-rc - ci-build

Resource Profile: ISiKCodeSystem

Official URL: https://gematik.de/fhir/isik/StructureDefinition/ISiKCodeSystem Version: 6.0.0-rc
Active as of 2025-12-17 Computable Name: ISiKCodeSystem

Dieses Profil beschreibt die maschinenlesbare Repräsentation von system-spezifischen Kodierungen in ISiK-Szenarien.

Motivation

ISiK erlaubt in diversen Kontexten die Erweiterung der Kodierung durch Krankenhaus-/System-interne Kodierungen. Das Profil ISiKKatalog (CodeSystem) als Profil erlaubt die Repräsentation der dazugehörigen Codes und Display-Werte.

Eine maschinenlesbare Repräsentation dieser Kodierungen erlaubt es Clients, dazugehörige Anzeigetext und Definitionen zu verarbeiten.

Ein Codesystem eignet sich auch dazu, auf dessen Basis definierte ValueSets zu expandieren (https://hl7.org/fhir/R4/valueset-operation-expand.html). Da ISiKValueSet expandierte Valuesets vorsieht, ist eine dynamische Expansion in der Regel nicht erforderlich. Darüber hinausgehend ist ein Use Case im Kontext der Katalogabfrage folgender: Ein Client möchte eine Expansion neu generieren (z.B. mit anderen Expansionen-Parametern), um das ValueSet beispielsweise in einer anderen Sprache auszugeben.

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. CodeSystem C 0..* CodeSystem Declares the existence of and describes a code system or code system supplement
Constraints: csd-0, csd-1
... id SΣ 0..1 id serverseitige, interne ID des Datensatzes
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... version SΣ 1..1 string Version
... name SΣC 1..1 string Name des Codesystems
... status ?!SΣ 1..1 code Status
Binding: PublicationStatus (required): The lifecycle status of an artifact.
... content SΣ 1..1 code Vollständigkeit der Repräsentation
Binding: CodeSystemContentMode (required): The extent of the content of the code system (the concepts and codes it defines) are represented in a code system resource.
... concept S 1..* BackboneElement Konzept
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... code S 1..1 code Code
.... display S 1..1 string Anzeigetext
.... definition S 0..1 string Definition

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
CodeSystem.status Base required PublicationStatus 📍4.0.1 FHIR Std.
CodeSystem.content Base required CodeSystemContentMode 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
csd-0 warning CodeSystem Name should be usable as an identifier for the module by machine processing applications such as code generation name.matches('[A-Z]([A-Za-z0-9_]){0,254}')
csd-1 error CodeSystem Within a code system definition, all the codes SHALL be unique concept.code.combine($this.descendants().concept.code).isDistinct()
dom-2 error CodeSystem If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error CodeSystem If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4 error CodeSystem If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5 error CodeSystem If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice CodeSystem A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()

This structure is derived from CodeSystem

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. CodeSystem 0..* CodeSystem Declares the existence of and describes a code system or code system supplement
... id S 0..1 id serverseitige, interne ID des Datensatzes
... meta
.... versionId 0..1 id Eindeutiger Name der serverseitigen Version des Datensatzes
.... lastUpdated 0..1 instant Zeitpunkt der letzten Änderung
... url S 1..1 uri Kanonische URL
... name S 1..1 string Name des Codesystems
... status S 1..1 code Status
... content S 1..1 code Vollständigkeit der Repräsentation
... concept S 1..* BackboneElement Konzept
.... code S 1..1 code Code
.... display S 1..1 string Anzeigetext
.... definition S 0..1 string Definition

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. CodeSystem C 0..* CodeSystem Declares the existence of and describes a code system or code system supplement
Constraints: csd-0, csd-1
... id SΣ 0..1 id serverseitige, interne ID des Datensatzes
... meta Σ 0..1 Meta Metadata about the resource
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... versionId Σ 0..1 id Eindeutiger Name der serverseitigen Version des Datensatzes
.... lastUpdated Σ 0..1 instant Zeitpunkt der letzten Änderung
.... source Σ 0..1 uri Identifies where the resource comes from
.... profile Σ 0..* canonical(StructureDefinition) Profiles this resource claims to conform to
.... security Σ 0..* Coding Security Labels applied to this resource
Binding: All Security Labels (extensible): Security Labels from the Healthcare Privacy and Security Classification System.
.... tag Σ 0..* Coding Tags applied to this resource
Binding: CommonTags (example): Codes that represent various types of tags, commonly workflow-related; e.g. "Needs review by Dr. Jones".
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... language 0..1 code Language of the resource content
Binding: CommonLanguages (preferred): A human language.
Additional BindingsPurpose
AllLanguages Max Binding
... text 0..1 Narrative Text summary of the resource, for human interpretation
This profile does not constrain the narrative in regard to content, language, or traceability to data elements
... contained 0..* Resource Contained, inline Resources
... extension 0..* Extension Additional content defined by implementations
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... url SΣ 1..1 uri Kanonische URL
... identifier Σ 0..* Identifier Additional identifier for the code system (business identifier)
... version SΣ 1..1 string Version
... name SΣC 1..1 string Name des Codesystems
... title Σ 0..1 string Name for this code system (human friendly)
... status ?!SΣ 1..1 code Status
Binding: PublicationStatus (required): The lifecycle status of an artifact.
... experimental Σ 0..1 boolean For testing purposes, not real usage
... date Σ 0..1 dateTime Date last changed
... publisher Σ 0..1 string Name of the publisher (organization or individual)
... contact Σ 0..* ContactDetail Contact details for the publisher
... description 0..1 markdown Natural language description of the code system
... useContext Σ 0..* UsageContext The context that the content is intended to support
... jurisdiction Σ 0..* CodeableConcept Intended jurisdiction for code system (if applicable)
Binding: Jurisdiction ValueSet (extensible): Countries and regions within which this artifact is targeted for use.
... purpose 0..1 markdown Why this code system is defined
... copyright 0..1 markdown Use and/or publishing restrictions
... caseSensitive Σ 0..1 boolean If code comparison is case sensitive
... valueSet Σ 0..1 canonical(ValueSet) Canonical reference to the value set with entire code system
... hierarchyMeaning Σ 0..1 code grouped-by | is-a | part-of | classified-with
Binding: CodeSystemHierarchyMeaning (required): The meaning of the hierarchy of concepts in a code system.
... compositional Σ 0..1 boolean If code system defines a compositional grammar
... versionNeeded Σ 0..1 boolean If definitions are not stable
... content SΣ 1..1 code Vollständigkeit der Repräsentation
Binding: CodeSystemContentMode (required): The extent of the content of the code system (the concepts and codes it defines) are represented in a code system resource.
... supplements Σ 0..1 canonical(CodeSystem) Canonical URL of Code System this adds designations and properties to
... count Σ 0..1 unsignedInt Total concepts in the code system
... filter Σ 0..* BackboneElement Filter that can be used in a value set
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... code Σ 1..1 code Code that identifies the filter
.... description Σ 0..1 string How or why the filter is used
.... operator Σ 1..* code = | is-a | descendent-of | is-not-a | regex | in | not-in | generalizes | exists
Binding: FilterOperator (required): The kind of operation to perform as a part of a property based filter.
.... value Σ 1..1 string What to use for the value
... property Σ 0..* BackboneElement Additional information supplied about each concept
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... code Σ 1..1 code Identifies the property on the concepts, and when referred to in operations
.... uri Σ 0..1 uri Formal identifier for the property
.... description Σ 0..1 string Why the property is defined, and/or what it conveys
.... type Σ 1..1 code code | Coding | string | integer | boolean | dateTime | decimal
Binding: PropertyType (required): The type of a property value.
... concept S 1..* BackboneElement Konzept
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... code S 1..1 code Code
.... display S 1..1 string Anzeigetext
.... definition S 0..1 string Definition
.... designation 0..* BackboneElement Additional representations for the concept
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
..... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
..... language 0..1 code Human language of the designation
Binding: CommonLanguages (preferred): A human language.
Additional BindingsPurpose
AllLanguages Max Binding
..... use 0..1 Coding Details how this designation would be used
Binding: DesignationUse (extensible): Details of how a designation would be used.
..... value 1..1 string The text value for this designation
.... property 0..* BackboneElement Property value for the concept
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
..... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
..... code 1..1 code Reference to CodeSystem.property.code
..... value[x] 1..1 Value of the property for this concept
...... valueCode code
...... valueCoding Coding
...... valueString string
...... valueInteger integer
...... valueBoolean boolean
...... valueDateTime dateTime
...... valueDecimal decimal
.... concept 0..* See concept (CodeSystem) Child Concepts (is-a/contains/categorizes)

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
CodeSystem.meta.security Base extensible SecurityLabels 📍4.0.1 FHIR Std.
CodeSystem.meta.tag Base example Common Tags 📍4.0.1 FHIR Std.
CodeSystem.language Base preferred Common Languages 📍4.0.1 FHIR Std.
CodeSystem.status Base required PublicationStatus 📍4.0.1 FHIR Std.
CodeSystem.jurisdiction Base extensible Jurisdiction 📍4.0.1 FHIR Std.
CodeSystem.hierarchyMeaning Base required CodeSystemHierarchyMeaning 📍4.0.1 FHIR Std.
CodeSystem.content Base required CodeSystemContentMode 📍4.0.1 FHIR Std.
CodeSystem.filter.operator Base required FilterOperator 📍4.0.1 FHIR Std.
CodeSystem.property.​type Base required PropertyType 📍4.0.1 FHIR Std.
CodeSystem.concept.designation.​language Base preferred Common Languages 📍4.0.1 FHIR Std.
CodeSystem.concept.designation.​use Base extensible Designation Use 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
csd-0 warning CodeSystem Name should be usable as an identifier for the module by machine processing applications such as code generation name.matches('[A-Z]([A-Za-z0-9_]){0,254}')
csd-1 error CodeSystem Within a code system definition, all the codes SHALL be unique concept.code.combine($this.descendants().concept.code).isDistinct()
dom-2 error CodeSystem If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error CodeSystem If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4 error CodeSystem If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5 error CodeSystem If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice CodeSystem A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()
ElementShort descriptionNotes
CodeSystem.concept Konzept

Bedeutung: Angabe der Konzepte, aus denen sich das CodeSystem zusammensetzt.
Hinweise: Es MUSS mindestens ein Code und ein Anzeigetext spezifiziert werden.
CodeSystem.concept.code Code

Der eindeutige Code, der das Konzept im CodeSystem identifiziert.
CodeSystem.concept.definition Definition

Eine ausführliche Beschreibung oder Definition des Konzepts.
CodeSystem.concept.display Anzeigetext

Die menschlich lesbare Darstellung des Konzepts.
CodeSystem.content Vollständigkeit der Repräsentation

Bedeutung: Angabe, ob es sich um eine vollständige Repräsentation des CodeSystems oder nur um einen Auszug handelt. Hinweise: Alle in einem System möglichen Status-Werte müssen über FHIR korrekt repräsentiert werden können, mindestens jedoch die Status-Werte fragment und complete. Deren korrekte Abbildung wird im Rahmen des Bestätigungsverfahrens überprüft.
CodeSystem.id serverseitige, interne ID des Datensatzes

bedingtes Pflichtfeld/bedingtes MS: Alle von einem Server bereitgestellten Ressourcen MÜSSEN über eine id verfügen. Von Clients erzeugte Ressourcen, die im Kontext einer CREATE-Interaktion übermittelt werden, MÜSSEN NICHT über eine idverfügen.
CodeSystem.name Name des Codesystems

Bedeutung: Maschinenlesbarer Name des CodeSystems
Hinweise: Der Constraint cps-0 ist hierbei zu beachten.
CodeSystem.status Status

Zeigt den aktuellen Status der Ressource an.
WICHTIGER Hinweis für Implementierer:

  • Alle server-seitigen Implementierungen MÜSSEN in der Lage sein, die systemintern möglichen Statuswerte korrekt in FHIR abzubilden, mindestens jedoch ‘active’ und ‘retired’’.
  • Alle client-seitigen Implementierungen MÜSSEN in der Lage sein, sämtliche Status-Codes zu interpretieren und dem Anwender in angemessener Form darstellen zu können, beispielsweise durch Ausblenden/Durchstreichen von Ressourcen mit dem status entered-in-error und Ausgrauen von Ressourcen, die einen Plan- oder Entwurfs-Status haben.
CodeSystem.url Kanonische URL

Bedeutung: Eindeutige Url zur Identifizierung des CodeSystems. Absolute Url sind zu bevorzugen.
Hinweise: OIDs SOLLTEN als weitere Identifier des CodeSystems verwendet werden. In jedem Fall SOLLTE eine Canonical Url vergeben werden.
CodeSystem.version Version

Bedeutung: Version des CodeSystems
Hinweise: Jede Änderung des CodeSystems MUSS eine Änderung in der Version des CodeSystems und gebundenen ValueSets nach sich ziehen. Die Versionierung SOLLTE auf dem Konzept von Semantic Versioning basieren.

This structure is derived from CodeSystem

Summary

Mandatory: 5 elements
Must-Support: 10 elements

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. CodeSystem C 0..* CodeSystem Declares the existence of and describes a code system or code system supplement
Constraints: csd-0, csd-1
... id SΣ 0..1 id serverseitige, interne ID des Datensatzes
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... version SΣ 1..1 string Version
... name SΣC 1..1 string Name des Codesystems
... status ?!SΣ 1..1 code Status
Binding: PublicationStatus (required): The lifecycle status of an artifact.
... content SΣ 1..1 code Vollständigkeit der Repräsentation
Binding: CodeSystemContentMode (required): The extent of the content of the code system (the concepts and codes it defines) are represented in a code system resource.
... concept S 1..* BackboneElement Konzept
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... code S 1..1 code Code
.... display S 1..1 string Anzeigetext
.... definition S 0..1 string Definition

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
CodeSystem.status Base required PublicationStatus 📍4.0.1 FHIR Std.
CodeSystem.content Base required CodeSystemContentMode 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
csd-0 warning CodeSystem Name should be usable as an identifier for the module by machine processing applications such as code generation name.matches('[A-Z]([A-Za-z0-9_]){0,254}')
csd-1 error CodeSystem Within a code system definition, all the codes SHALL be unique concept.code.combine($this.descendants().concept.code).isDistinct()
dom-2 error CodeSystem If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error CodeSystem If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4 error CodeSystem If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5 error CodeSystem If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice CodeSystem A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()

Differential View

This structure is derived from CodeSystem

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. CodeSystem 0..* CodeSystem Declares the existence of and describes a code system or code system supplement
... id S 0..1 id serverseitige, interne ID des Datensatzes
... meta
.... versionId 0..1 id Eindeutiger Name der serverseitigen Version des Datensatzes
.... lastUpdated 0..1 instant Zeitpunkt der letzten Änderung
... url S 1..1 uri Kanonische URL
... name S 1..1 string Name des Codesystems
... status S 1..1 code Status
... content S 1..1 code Vollständigkeit der Repräsentation
... concept S 1..* BackboneElement Konzept
.... code S 1..1 code Code
.... display S 1..1 string Anzeigetext
.... definition S 0..1 string Definition

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. CodeSystem C 0..* CodeSystem Declares the existence of and describes a code system or code system supplement
Constraints: csd-0, csd-1
... id SΣ 0..1 id serverseitige, interne ID des Datensatzes
... meta Σ 0..1 Meta Metadata about the resource
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... versionId Σ 0..1 id Eindeutiger Name der serverseitigen Version des Datensatzes
.... lastUpdated Σ 0..1 instant Zeitpunkt der letzten Änderung
.... source Σ 0..1 uri Identifies where the resource comes from
.... profile Σ 0..* canonical(StructureDefinition) Profiles this resource claims to conform to
.... security Σ 0..* Coding Security Labels applied to this resource
Binding: All Security Labels (extensible): Security Labels from the Healthcare Privacy and Security Classification System.
.... tag Σ 0..* Coding Tags applied to this resource
Binding: CommonTags (example): Codes that represent various types of tags, commonly workflow-related; e.g. "Needs review by Dr. Jones".
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... language 0..1 code Language of the resource content
Binding: CommonLanguages (preferred): A human language.
Additional BindingsPurpose
AllLanguages Max Binding
... text 0..1 Narrative Text summary of the resource, for human interpretation
This profile does not constrain the narrative in regard to content, language, or traceability to data elements
... contained 0..* Resource Contained, inline Resources
... extension 0..* Extension Additional content defined by implementations
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... url SΣ 1..1 uri Kanonische URL
... identifier Σ 0..* Identifier Additional identifier for the code system (business identifier)
... version SΣ 1..1 string Version
... name SΣC 1..1 string Name des Codesystems
... title Σ 0..1 string Name for this code system (human friendly)
... status ?!SΣ 1..1 code Status
Binding: PublicationStatus (required): The lifecycle status of an artifact.
... experimental Σ 0..1 boolean For testing purposes, not real usage
... date Σ 0..1 dateTime Date last changed
... publisher Σ 0..1 string Name of the publisher (organization or individual)
... contact Σ 0..* ContactDetail Contact details for the publisher
... description 0..1 markdown Natural language description of the code system
... useContext Σ 0..* UsageContext The context that the content is intended to support
... jurisdiction Σ 0..* CodeableConcept Intended jurisdiction for code system (if applicable)
Binding: Jurisdiction ValueSet (extensible): Countries and regions within which this artifact is targeted for use.
... purpose 0..1 markdown Why this code system is defined
... copyright 0..1 markdown Use and/or publishing restrictions
... caseSensitive Σ 0..1 boolean If code comparison is case sensitive
... valueSet Σ 0..1 canonical(ValueSet) Canonical reference to the value set with entire code system
... hierarchyMeaning Σ 0..1 code grouped-by | is-a | part-of | classified-with
Binding: CodeSystemHierarchyMeaning (required): The meaning of the hierarchy of concepts in a code system.
... compositional Σ 0..1 boolean If code system defines a compositional grammar
... versionNeeded Σ 0..1 boolean If definitions are not stable
... content SΣ 1..1 code Vollständigkeit der Repräsentation
Binding: CodeSystemContentMode (required): The extent of the content of the code system (the concepts and codes it defines) are represented in a code system resource.
... supplements Σ 0..1 canonical(CodeSystem) Canonical URL of Code System this adds designations and properties to
... count Σ 0..1 unsignedInt Total concepts in the code system
... filter Σ 0..* BackboneElement Filter that can be used in a value set
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... code Σ 1..1 code Code that identifies the filter
.... description Σ 0..1 string How or why the filter is used
.... operator Σ 1..* code = | is-a | descendent-of | is-not-a | regex | in | not-in | generalizes | exists
Binding: FilterOperator (required): The kind of operation to perform as a part of a property based filter.
.... value Σ 1..1 string What to use for the value
... property Σ 0..* BackboneElement Additional information supplied about each concept
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... code Σ 1..1 code Identifies the property on the concepts, and when referred to in operations
.... uri Σ 0..1 uri Formal identifier for the property
.... description Σ 0..1 string Why the property is defined, and/or what it conveys
.... type Σ 1..1 code code | Coding | string | integer | boolean | dateTime | decimal
Binding: PropertyType (required): The type of a property value.
... concept S 1..* BackboneElement Konzept
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... code S 1..1 code Code
.... display S 1..1 string Anzeigetext
.... definition S 0..1 string Definition
.... designation 0..* BackboneElement Additional representations for the concept
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
..... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
..... language 0..1 code Human language of the designation
Binding: CommonLanguages (preferred): A human language.
Additional BindingsPurpose
AllLanguages Max Binding
..... use 0..1 Coding Details how this designation would be used
Binding: DesignationUse (extensible): Details of how a designation would be used.
..... value 1..1 string The text value for this designation
.... property 0..* BackboneElement Property value for the concept
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
..... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
..... code 1..1 code Reference to CodeSystem.property.code
..... value[x] 1..1 Value of the property for this concept
...... valueCode code
...... valueCoding Coding
...... valueString string
...... valueInteger integer
...... valueBoolean boolean
...... valueDateTime dateTime
...... valueDecimal decimal
.... concept 0..* See concept (CodeSystem) Child Concepts (is-a/contains/categorizes)

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
CodeSystem.meta.security Base extensible SecurityLabels 📍4.0.1 FHIR Std.
CodeSystem.meta.tag Base example Common Tags 📍4.0.1 FHIR Std.
CodeSystem.language Base preferred Common Languages 📍4.0.1 FHIR Std.
CodeSystem.status Base required PublicationStatus 📍4.0.1 FHIR Std.
CodeSystem.jurisdiction Base extensible Jurisdiction 📍4.0.1 FHIR Std.
CodeSystem.hierarchyMeaning Base required CodeSystemHierarchyMeaning 📍4.0.1 FHIR Std.
CodeSystem.content Base required CodeSystemContentMode 📍4.0.1 FHIR Std.
CodeSystem.filter.operator Base required FilterOperator 📍4.0.1 FHIR Std.
CodeSystem.property.​type Base required PropertyType 📍4.0.1 FHIR Std.
CodeSystem.concept.designation.​language Base preferred Common Languages 📍4.0.1 FHIR Std.
CodeSystem.concept.designation.​use Base extensible Designation Use 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
csd-0 warning CodeSystem Name should be usable as an identifier for the module by machine processing applications such as code generation name.matches('[A-Z]([A-Za-z0-9_]){0,254}')
csd-1 error CodeSystem Within a code system definition, all the codes SHALL be unique concept.code.combine($this.descendants().concept.code).isDistinct()
dom-2 error CodeSystem If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error CodeSystem If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4 error CodeSystem If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5 error CodeSystem If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice CodeSystem A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()

This structure is derived from CodeSystem

Summary

Mandatory: 5 elements
Must-Support: 10 elements

 

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