FHIR Extensions Pack, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 5.4.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-extensions/ and changes regularly. See the Directory of published versions

• Content
• Examples
• Detailed Descriptions
• Mappings
• Operations
• Search Params
• Profiles
• Extensions
• R4 Conversions

2.5.39 Resource Questionnaire - Extensions

FHIR Infrastructure Work Group

Maturity Level: N/A

Standards Status: Informative

Security Category: N/A

Compartments: N/A

This table lists extensions for the Questionnaire 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 v5.3.0
Extensions defined for the Questionnaire 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
artifact-author	0..*	ContactDetail	ActorDefinition , CapabilityStatement , ClinicalUseDefinition , CodeSystem , CompartmentDefinition , ConditionDefinition , ConceptMap , DeviceDefinition , ExampleScenario , GraphDefinition , Group , ImplementationGuide , Medication , MedicationKnowledge , MessageDefinition , NamingSystem , ObservationDefinition , OperationDefinition , Questionnaire , Requirements , ResearchStudy , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition , SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities , TestPlan , TestScript , ValueSet	cds	Trial-Use : FMM2	n/c
artifact-citeAs	0..1	(Choice)	ActivityDefinition , ActorDefinition , CapabilityStatement , ClinicalUseDefinition , CodeSystem , CompartmentDefinition , Composition , ConditionDefinition , ConceptMap , DeviceDefinition , ExampleScenario , EventDefinition , EvidenceVariable , GraphDefinition , Group , ImplementationGuide , Library , Measure , Medication , MedicationKnowledge , MessageDefinition , NamingSystem , ObservationDefinition , OperationDefinition , PlanDefinition , Questionnaire , Requirements , ResearchStudy , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition , SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities , TestPlan , TestScript , ValueSet	cds	Trial-Use : FMM1	n/c
artifact-copyrightLabel	0..1	string	ActivityDefinition , ArtifactAssessment , CapabilityStatement , ClinicalUseDefinition , CodeSystem , CompartmentDefinition , Composition , ConditionDefinition , ConceptMap , DeviceDefinition , EventDefinition , Evidence , EvidenceVariable , ExampleScenario , GraphDefinition , Group , ImplementationGuide , Library , Measure , Medication , MedicationKnowledge , MessageDefinition , NamingSystem , ObservationDefinition , OperationDefinition , PlanDefinition , Questionnaire , ResearchStudy , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition , SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities , TestScript , ValueSet	cds	Draft : FMM1	n/c
artifact-editor	0..*	ContactDetail	ActorDefinition , ArtifactAssessment , CapabilityStatement , Composition , ClinicalUseDefinition , CodeSystem , CompartmentDefinition , ConditionDefinition , ConceptMap , DeviceDefinition , ExampleScenario , GraphDefinition , Group , ImplementationGuide , Medication , MedicationKnowledge , MessageDefinition , NamingSystem , ObservationDefinition , OperationDefinition , Questionnaire , Requirements , ResearchStudy , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition , SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities , TestPlan , TestScript , ValueSet	cds	Trial-Use : FMM2	n/c
artifact-endorser	0..*	ContactDetail	ActorDefinition , ArtifactAssessment , CapabilityStatement , ClinicalUseDefinition , CodeSystem , CompartmentDefinition , Composition , ConditionDefinition , ConceptMap , DeviceDefinition , ExampleScenario , GraphDefinition , Group , ImplementationGuide , Medication , MedicationKnowledge , MessageDefinition , NamingSystem , ObservationDefinition , OperationDefinition , Questionnaire , Requirements , ResearchStudy , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition , SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities , TestPlan , TestScript , ValueSet	cds	Trial-Use : FMM2	n/c
artifact-publicationDate	0..1	date	Composition , Group , Medication , Substance , ResearchStudy , ArtifactAssessment , ActivityDefinition , ChargeItemDefinition , Citation , CodeSystem , ConceptMap , ConditionDefinition , EventDefinition , Evidence , EvidenceVariable , Library , Measure , NamingSystem , ObservationDefinition , PlanDefinition , Questionnaire , SpecimenDefinition , ValueSet	cds	Trial-Use : FMM3	n/c
artifact-relatedArtifact	0..*	RelatedArtifact	CapabilityStatement , ClinicalUseDefinition , CodeSystem , CompartmentDefinition , Composition , ConditionDefinition , ConceptMap , Device.conformsTo , 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	n/c
artifact-releaseDescription	0..1	markdown	ActorDefinition , ArtifactAssessment , ActivityDefinition , CapabilityStatement , ClinicalUseDefinition , CodeSystem , CompartmentDefinition , Composition , ConditionDefinition , ConceptMap , DeviceDefinition , EventDefinition , Evidence , EvidenceVariable , ExampleScenario , GraphDefinition , Group , ImplementationGuide , Library , Measure , Medication , MedicationKnowledge , MessageDefinition , NamingSystem , ObservationDefinition , OperationDefinition , PlanDefinition , Questionnaire , Requirements , ResearchStudy , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition , SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities , TestPlan , TestScript , ValueSet	cds	Trial-Use : FMM1	n/c
artifact-releaseLabel	0..1	string	ActorDefinition , ArtifactAssessment , ActivityDefinition , CapabilityStatement , ClinicalUseDefinition , CodeSystem , CompartmentDefinition , Composition , ConditionDefinition , ConceptMap , DeviceDefinition , EventDefinition , Evidence , EvidenceVariable , ExampleScenario , GraphDefinition , Group , ImplementationGuide , Library , Measure , Medication , MedicationKnowledge , MessageDefinition , NamingSystem , ObservationDefinition , OperationDefinition , PlanDefinition , Questionnaire , Requirements , ResearchStudy , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition , SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities , TestPlan , TestScript , ValueSet	cds	Trial-Use : FMM1	n/c
artifact-reviewer	0..*	ContactDetail	ActorDefinition , ArtifactAssessment , CapabilityStatement , ClinicalUseDefinition , CodeSystem , CompartmentDefinition , Composition , ConditionDefinition , ConceptMap , DeviceDefinition , ExampleScenario , GraphDefinition , Group , ImplementationGuide , Medication , MedicationKnowledge , MessageDefinition , NamingSystem , ObservationDefinition , OperationDefinition , Questionnaire , Requirements , ResearchStudy , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition , SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities , TestPlan , TestScript , ValueSet	cds	Trial-Use : FMM2	n/c
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	n/c
artifact-usage	0..1	markdown	ActorDefinition , ArtifactAssessment , CapabilityStatement , ClinicalUseDefinition , CodeSystem , CompartmentDefinition , Composition , ConditionDefinition , ConceptMap , DeviceDefinition , Evidence , EvidenceVariable , ExampleScenario , GraphDefinition , Group , ImplementationGuide , Medication , MedicationKnowledge , MessageDefinition , ObservationDefinition , OperationDefinition , Questionnaire , Requirements , ResearchStudy , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition , SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities , TestPlan , TestScript , ValueSet	cds	Trial-Use : FMM1	n/c
artifact-versionAlgorithm	0..1	(Choice)	ArtifactAssessment , ActivityDefinition , CapabilityStatement , ClinicalUseDefinition , CodeSystem , CompartmentDefinition , Composition , ConditionDefinition , ConceptMap , DeviceDefinition , ExampleScenario , GraphDefinition , Group , ImplementationGuide , Library , Measure , Medication , MedicationKnowledge , MessageDefinition , NamingSystem , ObservationDefinition , OperationDefinition , PlanDefinition , Questionnaire , ResearchStudy , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition , SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities , ValueSet	cds	Trial-Use : FMM1	Changed (M)
artifact-versionPolicy	0..1	CodeableConcept	ActivityDefinition , ActorDefinition , ArtifactAssessment , CapabilityStatement , ClinicalUseDefinition , CodeSystem , CompartmentDefinition , Composition , ConditionDefinition , ConceptMap , DeviceDefinition , EventDefinition , Evidence , EvidenceVariable , ExampleScenario , GraphDefinition , Group , ImplementationGuide , Library , Measure , Medication , MedicationKnowledge , MessageDefinition , NamingSystem , ObservationDefinition , OperationDefinition , PlanDefinition , Questionnaire , Requirements , ResearchStudy , SearchParameter , SpecimenDefinition , Substance , SubstanceDefinition , SubscriptionTopic , StructureDefinition , StructureMap , TerminologyCapabilities , TestPlan , TestScript , ValueSet	cds	Trial-Use : FMM1	n/c
cqf-targetInvariant	0..*	(complex)	ActivityDefinition , ActivityDefinition.code , ActivityDefinition.intent , ActivityDefinition.priority , ActivityDefinition.doNotPerform , ActivityDefinition.timing[x] , ActivityDefinition.asNeeded[x] , ActivityDefinition.location , ActivityDefinition.participant , ActivityDefinition.product[x] , ActivityDefinition.quantity , ActivityDefinition.dosage , ActivityDefinition.bodySite , ActivityDefinition.dynamicValue , Measure , Measure.group , Measure.group.population , Measure.group.stratifier , Measure.supplementalData , PlanDefinition , PlanDefinition.goal , PlanDefinition.goal.target , PlanDefinition.actor , PlanDefinition.action , Questionnaire , Questionnaire.item	cds	Deprecated : FMM2	n/c
designNote	0..1	markdown	Questionnaire , Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
elementdefinition-conceptmap	0..*	canonical	StructureDefinition.snapshot.element.binding.valueSet , StructureDefinition.differential.element.binding.valueSet , Questionnaire.item.answerValueSet	fhir	Trial-Use : FMM2	n/c
entryFormat	0..1	string	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
itemWeight	0..1	decimal	Coding , Questionnaire.item.answerOption , QuestionnaireResponse.item.answer.value	fhir	Trial-Use : FMM2	n/c
maxDecimalPlaces	0..1	(Choice)	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
maxSize	0..1	decimal	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
maxValue	0..1	(Choice)	Questionnaire.item	fhir	Trial-Use : FMM3	n/c
mimeType	0..*	code	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
minLength	0..1	integer	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
minValue	0..1	(Choice)	Questionnaire.item	fhir	Trial-Use : FMM3	n/c
ordinalValue	0..1	decimal	Coding , Questionnaire.item.answerOption , CodeSystem.concept , ValueSet.compose.include.concept	fhir	Deprecated : FMM1	n/c
preferredTerminologyServer	0..*	url	Questionnaire , Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM4	n/c
questionnaire-baseType	0..1	code	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
questionnaire-choiceOrientation	0..1	code	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
questionnaire-constraint	0..*	(complex)	Questionnaire , Questionnaire.item , ElementDefinition	fhir	Deprecated : FMM3	n/c
questionnaire-definitionBased	0..1	boolean	Questionnaire	fhir	Trial-Use : FMM2	n/c
questionnaire-derivationType	0..1	Coding	Questionnaire.derivedFrom	fhir	Trial-Use : FMM1	Changed (M)
questionnaire-displayCategory	0..1	CodeableConcept	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
questionnaire-fhirType	0..1	string	Questionnaire.item	fhir	Trial-Use : FMM3	n/c
questionnaire-hidden	0..1	boolean	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
questionnaire-index-answer	0..1	boolean	Questionnaire.item.answerOption	fhir	Trial-Use : FMM1	n/c
questionnaire-itemControl	0..1	CodeableConcept	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
questionnaire-maxOccurs	0..1	integer	Questionnaire.item	fhir	Trial-Use : FMM3	Changed (C)
questionnaire-minOccurs	0..1	integer	Questionnaire.item	fhir	Trial-Use : FMM3	Changed (C)
questionnaire-optionExclusive	0..1	boolean	Questionnaire.item.answerOption	fhir	Trial-Use : FMM3	n/c
questionnaire-optionPrefix	0..1	string	Questionnaire.item.answerOption	fhir	Trial-Use : FMM3	n/c
questionnaire-optionRestriction	0..*	(Choice)	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM2	n/c
questionnaire-referenceFilter	0..1	string	Questionnaire.item , ElementDefinition	fhir	Deprecated : FMM3	n/c
questionnaire-referenceProfile	0..*	canonical	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
questionnaire-referenceResource	0..*	code	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
questionnaire-signatureRequired	0..*	CodeableConcept	Questionnaire , Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
questionnaire-sliderStepValue	0..1	integer	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
questionnaire-supportHyperlink	0..*	(complex)	Questionnaire , Questionnaire.item	fhir	Draft : FMM0	n/c
questionnaire-supportLink	0..*	uri	Questionnaire.item , ElementDefinition	fhir	Deprecated : FMM3	n/c
questionnaire-unit	0..1	Coding	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
questionnaire-unitOption	0..*	Coding	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
questionnaire-unitValueSet	0..1	canonical	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
questionnaire-usageMode	0..1	code	Questionnaire.item , ElementDefinition	fhir	Trial-Use : FMM3	n/c
regex	0..1	string	Questionnaire.item , ElementDefinition	fhir	Deprecated : FMM1	n/c
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
targetConstraint	0..*	(complex)	ActivityDefinition , ActivityDefinition.participant , ActivityDefinition.dosage , Library.parameter , Measure , Measure.group , Measure.group.population , Measure.group.stratifier , Measure.supplementalData , PlanDefinition , PlanDefinition.goal , PlanDefinition.goal.target , PlanDefinition.actor , PlanDefinition.action , PlanDefinition.action.action , Questionnaire , Questionnaire.item , Questionnaire.item.item	cds	Trial-Use : FMM2	n/c
variable	0..*	Expression	Questionnaire , Questionnaire.item , Questionnaire.item.item , PlanDefinition , PlanDefinition.action , PlanDefinition.action.action , RequestOrchestration , RequestOrchestration.action , RequestOrchestration.action.action , RequestGroup, RequestGroup.action, RequestGroup.action.action, ActivityDefinition , Measure , Measure.group , Measure.group.population	fhir	Trial-Use : FMM3	n/c
Extensions defined for many resources including the Questionnaire resource
datatype	0..1	string	Base	fhir	Trial-Use : FMM2	n/c
additionalImplicitRules	0..*	uri	DomainResource	fhir	Trial-Use : FMM4	n/c
artifact-authoritativeSource	0..1	uri	DomainResource	cds	Trial-Use : FMM1	n/c
artifact-extended-contact-detail	0..*	ExtendedContactDetail	Resource	cds	Trial-Use : FMM2	n/c
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	n/c
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	n/c
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	n/c
feature-assertion	0..*	(complex)	Resource	fhir	Trial-Use : FMM2	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	Draft : FMM0	n/c
package-source	0..*	(complex)	Resource , Meta , RelatedArtifact	fhir	Trial-Use : FMM1	Changed (D)
patient-sexParameterForClinicalUse	0..*	(complex)	Resource	pa	Trial-Use : FMM1	Changed (M)
resource-instance-description	0..1	markdown	Resource	fhir	Trial-Use : FMM2	n/c
resource-instance-name	0..1	string	Resource	fhir	Trial-Use : FMM2	n/c
resource-pertainsToGoal	0..*	Reference	Resource	fhir	Trial-Use : FMM3	n/c
satisfies-requirement	0..*	(complex)	Resource , Element	fhir	Trial-Use : FMM2	n/c
structuredefinition-fmm	0..1	integer	DomainResource , Element	fhir	Trial-Use : FMM3	n/c
structuredefinition-fmm-support	0..1	markdown	DomainResource	fhir	Trial-Use : FMM2	n/c
structuredefinition-wg	0..1	code	DomainResource	fhir	Trial-Use : FMM3	Changed (C)
version-specific-use	0..*	(complex)	Element , Resource	fhir	Trial-Use : FMM1	Changed (D)
version-specific-value	0..*	(complex)	Element , Resource	fhir	Trial-Use : FMM1	n/c
workflow-statusReason	0..*	CodeableConcept	DomainResource	fhir	Trial-Use : FMM2	n/c
Extensions that refer to the Questionnaire resource
servicerequest-questionnaireRequest	0..1	Reference	ServiceRequest	oo	Trial-Use : FMM3	n/c
workflow-adheresTo	0..*	(Choice)	CarePlan , Condition , Communication , DiagnosticReport , DocumentReference , Encounter , FamilyMemberHistory , Immunization , ImmunizationEvaluation , Observation , Procedure , QuestionnaireResponse , SupplyDelivery , Task , BiologicallyDerivedProductDispense , DeviceDispense , DeviceUsage , DeviceUseStatement, DeviceUseStatement, NutritionIntake , Transport	fhir	Trial-Use : FMM2	n/c
workflow-compliesWith	0..*	(Choice)	CarePlan , CarePlan.activity.plannedActivityReference , CommunicationRequest , DeviceRequest , ImmunizationRecommendation , MedicationRequest , NutritionOrder , RequestOrchestration , RequestGroup, SupplyRequest , ServiceRequest , Task , VisionPrescription , ObservationDefinition , DeviceDefinition , SpecimenDefinition	fhir	Trial-Use : FMM2	n/c
workflow-generatedFrom	0..1	canonical	CarePlan , CarePlan.activity.plannedActivityReference , Communication , CommunicationRequest , DeviceRequest , FamilyMemberHistory , ImmunizationEvaluation , ImmunizationRecommendation , MedicationRequest , NutritionOrder , Procedure , RequestOrchestration , RequestGroup, SupplyRequest , ServiceRequest , Task , VisionPrescription	fhir	Trial-Use : FMM2	n/c
workflow-instantiatesCanonical	0..*	canonical	Observation , DiagnosticReport , Media, Condition , SupplyDelivery , CommunicationRequest , SupplyRequest	fhir	Deprecated : FMM1	n/c
workflow-shallComplyWith	0..*	(Choice)	ActivityDefinition , Appointment , CarePlan , CommunicationRequest , DeviceRequest , ImmunizationRecommendation , Measure , MedicationRequest , NutritionOrder , OperationDefinition , PlanDefinition , RequestOrchestration , RequestGroup, ServiceRequest , SupplyRequest , ObservationDefinition , DeviceDefinition , SpecimenDefinition , Task , VisionPrescription	fhir	Trial-Use : FMM2	n/c
workflow-triggeredBy	0..1	(Choice)	CarePlan , CarePlan.activity.plannedActivityReference , CommunicationRequest , DeviceRequest , Encounter , ImmunizationRecommendation , NutritionOrder , Procedure , RequestOrchestration , RequestGroup, SupplyRequest , ServiceRequest , Task , Condition , Communication , DiagnosticReport , DocumentReference , FamilyMemberHistory , Immunization , Observation , QuestionnaireResponse , SupplyDelivery , VisionPrescription , BiologicallyDerivedProductDispense , DeviceDispense , DeviceUsage , DeviceUseStatement, NutritionIntake , Transport	fhir	Trial-Use : FMM2	n/c
Extensions that refer to many resources including the Questionnaire resource
alternate-reference	0..1	Reference	Reference	fhir	Trial-Use : FMM2	n/c
artifact-reference	0..1	(Choice)	Element	cds	Deprecated : FMM1	n/c
cqf-relativeDateTime	0..1	(complex)	Element	cds	Deprecated : FMM3	n/c
diagnosticReport-focus	0..*	Reference	DiagnosticReport	oo	Draft : FMM0	n/c
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 , Media	pc	Trial-Use : FMM3	n/c
patient-sexParameterForClinicalUse	0..*	(complex)	Resource	pa	Trial-Use : FMM1	Changed (M)
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	Changed (D)
workflow-protectiveFactor	0..*	CodeableReference	Goal , CommunicationRequest , CarePlan.activity	fhir	Trial-Use : FMM2	Changed (D)
workflow-supportingInfo	0..*	Reference	DiagnosticReport , DocumentReference , Encounter , Observation , CommunicationRequest	fhir	Trial-Use : FMM3	n/c

119 Extensions

Extension Search Parameters

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

• Artifact Topic SearchParameter: Search by the topics of an artifact, as given by the [artifact-topic extension](StructureDefinition-artifact-topic.html)