FHIR Extensions Pack v5.3.0-ballot-tc1 (2025-08-03)

This page is part of the FHIR Core Extensions Registry (v5.3.0-ballot-tc1: Release 5.3) based on FHIR (HL7® FHIR® Standard) v5.0.0. This version is a pre-release. The current official version is 5.2.0. For a full list of available versions, see the Directory of published versions

5.4.46 Resource StructureDefinition - Extensions

FHIR Infrastructure Work GroupMaturity Level: N/AStandards Status: InformativeSecurity Category: N/A Compartments: N/A

This table lists extensions for the StructureDefinition resource defined in association with the core specification. For background information, see Extensibility. Additional extensions may be found in published Implementation Guides and in the Conformance resource registry .

Identity Card. Type Context WG Status Δ v5.2.0
Extensions defined for the StructureDefinition resource
11179-permitted-value-conceptmap 0..1 canonical StructureDefinition.snapshot.element.binding.valueSet , StructureDefinition.differential.element.binding.valueSet ,
Questionnaire.item.answerValueSet 		oo Trial-Use : FMM3 n/c
11179-permitted-value-valueset 0..1 canonical StructureDefinition.snapshot.element.binding.valueSet , StructureDefinition.differential.element.binding.valueSet ,
Questionnaire.item.answerValueSet 		oo Trial-Use : FMM3 n/c
additional-resource-compartment 0..* (complex) StructureDefinition fhir Trial-Use : FMM1 icon Added:
artifact-approvalDate 0..1 date CapabilityStatement , ClinicalUseDefinition , CodeSystem , CompartmentDefinition ,
ConditionDefinition , ConceptMap , DeviceDefinition , ExampleScenario ,
GraphDefinition , Group , ImplementationGuide , Medication , MedicationKnowledge ,
MessageDefinition , NamingSystem , ObservationDefinition , OperationDefinition ,
SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition ,
SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities ,
ValueSet 		cds Trial-Use : FMM1 icon Changed:
artifact-author 0..* ContactDetail CapabilityStatement , ClinicalUseDefinition , CodeSystem , CompartmentDefinition ,
ConditionDefinition , ConceptMap , DeviceDefinition , ExampleScenario ,
GraphDefinition , Group , ImplementationGuide , Medication , MedicationKnowledge ,
MessageDefinition , NamingSystem , ObservationDefinition , OperationDefinition ,
Questionnaire , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition ,
SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities ,
ValueSet 		cds Trial-Use : FMM2 icon Changed:
artifact-citeAs 0..1 (Choice) ActivityDefinition , CapabilityStatement , ClinicalUseDefinition , CodeSystem ,
CompartmentDefinition , ConditionDefinition , ConceptMap , DeviceDefinition ,
ExampleScenario , GraphDefinition , Group , ImplementationGuide , Library ,
Measure , Medication , MedicationKnowledge , MessageDefinition , NamingSystem ,
ObservationDefinition , OperationDefinition , PlanDefinition , Questionnaire ,
SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition ,
SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities ,
ValueSet 		cds Trial-Use : FMM1 n/c
artifact-copyrightLabel 0..1 string ActivityDefinition , ArtifactAssessment , CapabilityStatement , ClinicalUseDefinition ,
CodeSystem , CompartmentDefinition , ConditionDefinition , ConceptMap ,
DeviceDefinition , ExampleScenario , GraphDefinition , Group , ImplementationGuide ,
Library , Measure , Medication , MedicationKnowledge , MessageDefinition ,
NamingSystem , ObservationDefinition , OperationDefinition , PlanDefinition ,
Questionnaire , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition ,
SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities ,
ValueSet 		cds Experimental
Draft : FMM1 		icon Changed:
artifact-editor 0..* ContactDetail ArtifactAssessment , CapabilityStatement , ClinicalUseDefinition , CodeSystem ,
CompartmentDefinition , ConditionDefinition , ConceptMap , DeviceDefinition ,
ExampleScenario , GraphDefinition , Group , ImplementationGuide , Medication ,
MedicationKnowledge , MessageDefinition , NamingSystem , ObservationDefinition ,
OperationDefinition , Questionnaire , SearchParameter , SpecimenDefinition ,
Substance , SubstanceDefinition , SubscriptionTopic , StructureDefinition ,
StructureMap , TerminologyCapabilities , ValueSet 		cds Trial-Use : FMM2 icon Changed:
artifact-effectivePeriod 0..1 Period ArtifactAssessment , CapabilityStatement , ClinicalUseDefinition , CodeSystem ,
CompartmentDefinition , ConditionDefinition , ConceptMap , DeviceDefinition ,
ExampleScenario , GraphDefinition , Group , ImplementationGuide , Medication ,
MedicationKnowledge , MessageDefinition , NamingSystem , ObservationDefinition ,
OperationDefinition , SearchParameter , SpecimenDefinition , Substance ,
SubstanceDefinition , SubscriptionTopic , StructureDefinition , StructureMap ,
TerminologyCapabilities , TestScript , ValueSet 		cds Trial-Use : FMM1 icon Changed:
artifact-endorser 0..* ContactDetail ArtifactAssessment , CapabilityStatement , ClinicalUseDefinition , CodeSystem ,
CompartmentDefinition , ConditionDefinition , ConceptMap , DeviceDefinition ,
ExampleScenario , GraphDefinition , Group , ImplementationGuide , Medication ,
MedicationKnowledge , MessageDefinition , NamingSystem , ObservationDefinition ,
OperationDefinition , Questionnaire , SearchParameter , SpecimenDefinition ,
Substance , SubstanceDefinition , SubscriptionTopic , StructureDefinition ,
StructureMap , TerminologyCapabilities , ValueSet 		cds Trial-Use : FMM2 icon Changed:
artifact-lastReviewDate 0..1 date CapabilityStatement , ClinicalUseDefinition , CodeSystem , CompartmentDefinition ,
ConditionDefinition , ConceptMap , DeviceDefinition , ExampleScenario ,
GraphDefinition , Group , ImplementationGuide , Medication , MedicationKnowledge ,
MessageDefinition , NamingSystem , ObservationDefinition , OperationDefinition ,
SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition ,
SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities ,
ValueSet 		cds Trial-Use : FMM1 icon Changed:
artifact-relatedArtifact 0..* RelatedArtifact CapabilityStatement , ClinicalUseDefinition , CodeSystem , CompartmentDefinition ,
ConditionDefinition , ConceptMap , DeviceDefinition , ExampleScenario ,
GraphDefinition , Group , ImplementationGuide , Medication , MedicationKnowledge ,
MessageDefinition , NamingSystem , ObservationDefinition , OperationDefinition ,
Questionnaire , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition ,
SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities ,
ValueSet 		cds Trial-Use : FMM2 icon Changed:
artifact-releaseDescription 0..1 markdown ArtifactAssessment , ActivityDefinition , CapabilityStatement , ClinicalUseDefinition ,
CodeSystem , CompartmentDefinition , ConditionDefinition , ConceptMap ,
DeviceDefinition , ExampleScenario , GraphDefinition , Group , ImplementationGuide ,
Library , Measure , Medication , MedicationKnowledge , MessageDefinition ,
NamingSystem , ObservationDefinition , OperationDefinition , PlanDefinition ,
Questionnaire , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition ,
SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities ,
ValueSet 		cds Trial-Use : FMM1 n/c
artifact-releaseLabel 0..1 string ArtifactAssessment , ActivityDefinition , CapabilityStatement , ClinicalUseDefinition ,
CodeSystem , CompartmentDefinition , ConditionDefinition , ConceptMap ,
DeviceDefinition , ExampleScenario , GraphDefinition , Group , ImplementationGuide ,
Library , Measure , Medication , MedicationKnowledge , MessageDefinition ,
NamingSystem , ObservationDefinition , OperationDefinition , PlanDefinition ,
Questionnaire , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition ,
SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities ,
ValueSet 		cds Trial-Use : FMM1 n/c
artifact-reviewer 0..* ContactDetail ArtifactAssessment , CapabilityStatement , ClinicalUseDefinition , CodeSystem ,
CompartmentDefinition , ConditionDefinition , ConceptMap , DeviceDefinition ,
ExampleScenario , GraphDefinition , Group , ImplementationGuide , Medication ,
MedicationKnowledge , MessageDefinition , NamingSystem , ObservationDefinition ,
OperationDefinition , Questionnaire , SearchParameter , SpecimenDefinition ,
Substance , SubstanceDefinition , SubscriptionTopic , StructureDefinition ,
StructureMap , TerminologyCapabilities , ValueSet 		cds Trial-Use : FMM2 icon Changed:
artifact-topic 0..* CodeableConcept ArtifactAssessment , CapabilityStatement , ClinicalUseDefinition , CodeSystem ,
CompartmentDefinition , ConditionDefinition , ConceptMap , DeviceDefinition ,
ExampleScenario , GraphDefinition , Group , ImplementationGuide , Medication ,
MedicationKnowledge , MessageDefinition , NamingSystem , ObservationDefinition ,
OperationDefinition , Questionnaire , SearchParameter , SpecimenDefinition ,
Substance , SubstanceDefinition , SubscriptionTopic , StructureDefinition ,
StructureMap , TerminologyCapabilities , ValueSet 		cds Trial-Use : FMM2 icon Changed:
artifact-usage 0..1 markdown ArtifactAssessment , CapabilityStatement , ClinicalUseDefinition , CodeSystem ,
CompartmentDefinition , ConditionDefinition , ConceptMap , DeviceDefinition ,
ExampleScenario , GraphDefinition , Group , ImplementationGuide , Medication ,
MedicationKnowledge , MessageDefinition , ObservationDefinition , OperationDefinition ,
Questionnaire , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition ,
SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities ,
ValueSet 		cds Trial-Use : FMM1 n/c
artifact-versionAlgorithm 0..1 (Choice) ArtifactAssessment , ActivityDefinition , CapabilityStatement , ClinicalUseDefinition ,
CodeSystem , CompartmentDefinition , ConditionDefinition , ConceptMap ,
DeviceDefinition , ExampleScenario , GraphDefinition , Group , ImplementationGuide ,
Library , Measure , Medication , MedicationKnowledge , MessageDefinition ,
NamingSystem , ObservationDefinition , OperationDefinition , PlanDefinition ,
Questionnaire , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition ,
SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities ,
ValueSet 		cds Draft : FMM1 --
artifact-versionPolicy 0..1 CodeableConcept ActivityDefinition , ArtifactAssessment , CapabilityStatement , ClinicalUseDefinition ,
CodeSystem , CompartmentDefinition , ConditionDefinition , ConceptMap ,
DeviceDefinition , ExampleScenario , GraphDefinition , Group , ImplementationGuide ,
Library , Measure , Medication , MedicationKnowledge , MessageDefinition ,
NamingSystem , ObservationDefinition , OperationDefinition , PlanDefinition ,
Questionnaire , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition ,
SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities ,
ValueSet 		cds Trial-Use : FMM1 n/c
cqf-modelInfo-isIncluded 0..1 boolean StructureDefinition cds Trial-Use : FMM1 n/c
cqf-modelInfo-isRetrievable 0..1 boolean StructureDefinition cds Trial-Use : FMM1 n/c
cqf-modelInfo-label 0..1 string StructureDefinition cds Trial-Use : FMM1 n/c
cqf-modelInfo-primaryCodePath 0..1 string StructureDefinition cds Trial-Use : FMM1 n/c
cqf-shouldTraceDependency 0..1 boolean StructureDefinition , ElementDefinition cds Trial-Use : FMM1 n/c
elementdefinition-conceptmap 0..* canonical StructureDefinition.snapshot.element.binding.valueSet , StructureDefinition.differential.element.binding.valueSet ,
Questionnaire.item.answerValueSet 		fhir Trial-Use : FMM2 icon Changed:
elementdefinition-namespace 0..1 uri ElementDefinition , StructureDefinition fhir Deprecated : FMM1 n/c
inherit-obligations 0..* canonical StructureDefinition fhir Trial-Use : FMM3 icon Added:
intended-context 0..* (complex) StructureDefinition fhir Trial-Use : FMM2 icon Added:
obligation 0..* (complex) ElementDefinition , StructureDefinition , ElementDefinition.type fhir Trial-Use : FMM1 icon Changed:
obligation-profile-flag 0..* boolean StructureDefinition fhir Trial-Use : FMM4 icon Added:
replaces 0..* canonical ActorDefinition , CapabilityStatement , ChargeItemDefinition , CompartmentDefinition ,
ConditionDefinition , ExampleScenario , GraphDefinition , ImplementationGuide ,
MessageDefinition , ObservationDefinition , OperationDefinition , Questionnaire ,
Requirements , SearchParameter , SpecimenDefinition , StructureDefinition ,
StructureMap , SubscriptionTopic , TerminologyCapabilities , TestScript 		fhir Trial-Use : FMM3 n/c
resource-approvalDate 0..1 date StructureDefinition , StructureMap , CapabilityStatement , OperationDefinition ,
SearchParameter , CompartmentDefinition , ImplementationGuide , CodeSystem ,
ValueSet , ConceptMap , NamingSystem , Group 		fhir Trial-Use : FMM3 n/c
resource-effectivePeriod 0..1 Period StructureDefinition , StructureMap , CapabilityStatement , OperationDefinition ,
SearchParameter , CompartmentDefinition , ImplementationGuide , CodeSystem ,
ValueSet , ConceptMap , NamingSystem , Group 		fhir Trial-Use : FMM3 n/c
resource-lastReviewDate 0..1 date StructureDefinition , StructureMap , CapabilityStatement , OperationDefinition ,
SearchParameter , CompartmentDefinition , ImplementationGuide , CodeSystem ,
ValueSet , ConceptMap , NamingSystem , Group 		fhir Trial-Use : FMM3 n/c
structuredefinition-ancestor 0..* uri StructureDefinition fhir Trial-Use : FMM3 n/c
structuredefinition-applicable-version 0..* code StructureDefinition fhir Trial-Use : FMM3 n/c
structuredefinition-category 0..1 string StructureDefinition fhir Trial-Use : FMM3 n/c
structuredefinition-codegen-super 0..1 string StructureDefinition.baseDefinition fhir Trial-Use : FMM3 n/c
structuredefinition-compliesWithProfile 0..* canonical StructureDefinition fhir Experimental
Draft : FMM1 		n/c
structuredefinition-dependencies 0..* canonical StructureDefinition fhir Deprecated : FMM1 n/c
structuredefinition-fmm-no-warnings 0..1 integer StructureDefinition fhir Trial-Use : FMM3 n/c
structuredefinition-imposeProfile 0..* canonical StructureDefinition fhir Experimental
Draft : FMM1 		icon Changed:
structuredefinition-inheritance-control 0..1 code StructureDefinition fhir Trial-Use : FMM2 icon Changed:
structuredefinition-interface 0..1 boolean StructureDefinition fhir Trial-Use : FMM2 icon Changed:
structuredefinition-security-category 0..1 code StructureDefinition fhir Trial-Use : FMM3 n/c
structuredefinition-standards-status 0..1 code CanonicalResource , CodeSystem.concept , StructureDefinition.context ,
SearchParameter.base , ElementDefinition , ElementDefinition.type ,
ElementDefinition.type.targetProfile , OperationDefinition.parameter ,
OperationDefinition.parameter.type , OperationDefinition.parameter.allowedType ,
OperationDefinition.parameter.targetProfile , ImplementationGuide.definition.page 		fhir Trial-Use : FMM3 n/c
structuredefinition-summary 0..1 markdown StructureDefinition fhir Trial-Use : FMM3 n/c
structuredefinition-table-name 0..1 string StructureDefinition.mapping fhir Trial-Use : FMM3 n/c
structuredefinition-template-status 0..1 code StructureDefinition fhir Trial-Use : FMM3 n/c
structuredefinition-type-characteristics 0..* code StructureDefinition fhir Trial-Use : FMM2 icon Changed:
structuredefinition-xml-no-order 0..1 boolean StructureDefinition fhir Deprecated : FMM1 n/c
Extensions defined for many resources including the StructureDefinition resource
datatype 0..1 string Base fhir Trial-Use : FMM2 icon Changed:
artifact-extended-contact-detail 0..* ExtendedContactDetail Resource cds Trial-Use : FMM2 icon Added:
artifact-isOwned 0..1 boolean RelatedArtifact , ActivityDefinition.library , PlanDefinition.library ,
Measure.library , DomainResource.extension , type.exists() and type = 'composed-of' 		cds Trial-Use : FMM1 n/c
artifact-jurisdiction 0..* CodeableConcept Resource cds Trial-Use : FMM2 icon Changed:
artifactassessment-disposition 0..1 code Resource cds Draft : FMM1 n/c
artifactassessment-workflowStatus 0..1 code Resource cds Draft : FMM1 n/c
cqf-artifactComment 0..* (complex) Resource cds Trial-Use : FMM3 n/c
cqf-citation 0..1 string Resource cds Trial-Use : FMM3 n/c
cqf-definitionTerm 0..1 (complex) Resource cds Trial-Use : FMM3 n/c
cqf-directReferenceCode 0..* Coding Resource cds Trial-Use : FMM2 n/c
cqf-knowledgeCapability 0..* code DomainResource cds Trial-Use : FMM2 n/c
cqf-knowledgeRepresentationLevel 0..* code DomainResource cds Trial-Use : FMM2 n/c
cqf-library 0..* canonical DomainResource cds Trial-Use : FMM3 icon Changed:
cqf-logicDefinition 0..* (complex) DomainResource cds Trial-Use : FMM2 n/c
cqf-measureInfo 0..* (complex) Resource , Reference cds Trial-Use : FMM3 n/c
cqf-messages 0..* Reference Resource cds Trial-Use : FMM3 n/c
cqf-scope 0..1 string Resource cds Trial-Use : FMM1 n/c
derivation-reference 0..* (complex) Resource , Element fhir Trial-Use : FMM2 icon Changed:
feature-assertion 0..* Coding Provenance.target , Resource.meta fhir Experimental
Draft : FMM0 		n/c
note 0..* Annotation Resource , Composition.section , Observation.component fhir Trial-Use : FMM1 n/c
obligations-profile 0..* (complex) Provenance.target , Resource.meta fhir Experimental
Draft : FMM0 		n/c
package-source 0..* (complex) Resource , Meta fhir Trial-Use : FMM1 n/c
patient-sexParameterForClinicalUse 0..* (complex) Resource pa Experimental
Draft : FMM1 		icon Changed:
resource-instance-description 0..1 markdown Resource fhir Trial-Use : FMM2 icon Changed:
resource-instance-name 0..1 string Resource fhir Trial-Use : FMM2 icon Changed:
resource-pertainsToGoal 0..* Reference Resource fhir Trial-Use : FMM3 n/c
satisfies-requirement 0..* (complex) Resource , Element fhir Trial-Use : FMM2 icon Changed:
structuredefinition-fmm 0..1 integer DomainResource , Resource fhir Trial-Use : FMM3 n/c
structuredefinition-fmm-support 0..1 markdown DomainResource fhir Trial-Use : FMM2 icon Changed:
structuredefinition-wg 0..1 code DomainResource fhir Trial-Use : FMM3 n/c
version-specific-use 0..* (complex) Element , Resource fhir Trial-Use : FMM1 n/c
version-specific-value 0..* (complex) Element , Resource fhir Trial-Use : FMM1 n/c
workflow-statusReason 0..* CodeableConcept DomainResource fhir Trial-Use : FMM2 icon Added:
Extensions that refer to the StructureDefinition resource
capabilitystatement-declared-profile 0..* canonical CapabilityStatement.rest.resource fhir Trial-Use : FMM2 icon Changed:
coding-conformance 0..* canonical Coding fhir Trial-Use : FMM2 icon Changed:
elementdefinition-defaulttype 0..1 canonical ElementDefinition fhir Trial-Use : FMM2 icon Changed:
elementdefinition-pattern 0..1 canonical ElementDefinition.type fhir Trial-Use : FMM2 icon Changed:
inherit-obligations 0..* canonical StructureDefinition fhir Trial-Use : FMM3 icon Added:
obligations-profile 0..* (complex) Provenance.target , Resource.meta fhir Experimental
Draft : FMM0 		n/c
preferredValueAlternatives 0..1 canonical ElementDefinition fhir Trial-Use : FMM1 icon Added:
profile-mapping 0..* (Choice) CapabilityStatement.rest.resource fhir Trial-Use : FMM4 icon Added:
questionnaire-referenceProfile 0..* canonical Questionnaire.item , ElementDefinition fhir Trial-Use : FMM3 icon Changed:
structuredefinition-compliesWithProfile 0..* canonical StructureDefinition fhir Experimental
Draft : FMM1 		n/c
structuredefinition-dependencies 0..* canonical StructureDefinition fhir Deprecated : FMM1 n/c
structuredefinition-imposeProfile 0..* canonical StructureDefinition fhir Experimental
Draft : FMM1 		icon Changed:
Extensions that refer to many resources including the StructureDefinition resource
alternate-reference 0..1 Reference Reference fhir Trial-Use : FMM2 icon Changed:
artifact-reference 0..1 (Choice) Element cds Deprecated : FMM1 icon Changed:
cqf-relativeDateTime 0..1 (complex) Element cds Deprecated : FMM3 n/c
diagnosticReport-focus 0..* Reference DiagnosticReport oo Experimental
Draft : FMM0 		icon Changed:
diagnosticreport-interpretationContext 0..* CodeableReference DiagnosticReport oo Draft : FMM0 icon Added:
event-basedOn 0..* Reference Condition , ChargeItem , ClinicalImpression , Composition , Consent , Coverage ,
EpisodeOfCare , ExplanationOfBenefit , FamilyMemberHistory , ImmunizationEvaluation ,
InventoryReport , MedicationStatement , PaymentNotice , PaymentReconciliation 		fhir Trial-Use : FMM3 n/c
event-partOf 0..* Reference DiagnosticReport , Condition fhir Trial-Use : FMM3 n/c
flag-detail 0..* Reference Flag pc Trial-Use : FMM3 n/c
patient-sexParameterForClinicalUse 0..* (complex) Resource pa Experimental
Draft : FMM1 		icon Changed:
replaces 0..* canonical ActorDefinition , CapabilityStatement , ChargeItemDefinition , CompartmentDefinition ,
ConditionDefinition , ExampleScenario , GraphDefinition , ImplementationGuide ,
MessageDefinition , ObservationDefinition , OperationDefinition , Questionnaire ,
Requirements , SearchParameter , SpecimenDefinition , StructureDefinition ,
StructureMap , SubscriptionTopic , TerminologyCapabilities , TestScript 		fhir Trial-Use : FMM3 n/c
request-replaces 0..* Reference NutritionOrder , SupplyRequest , Task fhir Trial-Use : FMM3 n/c
workflow-barrier 0..* CodeableReference Goal , CommunicationRequest , CarePlan.activity fhir Trial-Use : FMM2 icon Changed:
workflow-protectiveFactor 0..* CodeableReference Goal , CommunicationRequest , CarePlan.activity fhir Trial-Use : FMM2 icon Changed:
workflow-supportingInfo 0..* Reference DiagnosticReport , DocumentReference , Encounter , Observation , CommunicationRequest fhir Trial-Use : FMM3 n/c

115 Extensions

Extension Search Parameters

This table lists search parameters defined for any of the extensions listed above in association with the core specification.

(none found)