FHIR Extensions Pack v5.3.0 (2026-10-06)

FHIR Extensions Pack, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 5.3.0 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

14.15.41 Resource Library - Extensions

Clinical Decision Support Work GroupMaturity Level: N/AStandards Status: InformativeSecurity Category: N/A Compartments: N/A

This table lists extensions for the Library 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 Library resource
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-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-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-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-cqlOptions 0..1 Reference Library cds Draft : FMM1 n/c
cqf-expansionParameters 0..1 Reference Library , ImplementationGuide cds Trial-Use : FMM3 n/c
cqf-inputParameters 0..1 Reference Library , Group , MeasureReport , RequestOrchestration , RequestGroup,
GuidanceResponse 		cds Trial-Use : FMM2 n/c
cqf-modelInfoSettings 0..1 Reference Library , ImplementationGuide , RelatedArtifact cds Trial-Use : FMM1 n/c
cqf-partOf 0..1 canonical Library cqi Trial-Use : FMM3 n/c
cqf-testArtifact 0..* (Choice) Group , Library cds Trial-Use : FMM1 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 , Questionnaire , Questionnaire.item 		cds Trial-Use : FMM2 n/c
Extensions defined for many resources including the Library 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 Library resource
cqf-library 0..* canonical DomainResource cds Trial-Use : FMM3 n/c
Extensions that refer to many resources including the Library 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

68 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)