This page is part of the FHIR Specification (v4.3.0: R4B (v5.0.0-draft-final: Final QA Preview for R5 - STU see ballot notes ). The current version which supercedes this version is 5.0.0 . For a full list of available versions, see the Directory of published versions . Page versions: R4B R4 R3 R2

• Extensibility
• Defining Extensions
• Examples
• Detailed Descriptions
• Registry

1.4 FHIR Core-defined Extension Registry

FHIR Infrastructure Work Group

Maturity Level : N/A

Standards Status : Informative

All extensions in this list are defined in this specification and have a base URI of http://hl7.org/fhir/StructureDefinition/ . This page does not list inter-version conversion extensions - see guidance here ". Additional extensions can be registered on the HL7 FHIR registry at http://hl7.org/fhir/registry .

Identity Conf. Type Context FMM # Examples capabilities 0..* code CapabilityStatement.rest.security 1 0 oauth-uris 0..1 (complex) CapabilityStatement.rest.security 1 0 11179-objectClass 0..1 Coding ElementDefinition.mapping 1 0 11179-objectClassProperty 0..1 Coding ElementDefinition.mapping 1 0 11179-permitted-value-conceptmap 0..1 canonical StructureDefinition.snapshot.element.binding.valueSet , StructureDefinition.differential.element.binding.valueSet , Questionnaire.item.answerValueSet 1 0 11179-permitted-value-valueset 0..1 canonical StructureDefinition.snapshot.element.binding.valueSet , StructureDefinition.differential.element.binding.valueSet , Questionnaire.item.answerValueSet 1 0 DiagnosticReport-geneticsAnalysis 0..* (complex) DiagnosticReport 1 0 DiagnosticReport-geneticsAssessedCondition 0..* Reference DiagnosticReport 1 0 DiagnosticReport-geneticsFamilyMemberHistory 0..* Reference DiagnosticReport 1 0 DiagnosticReport-geneticsReferences 0..* (complex) DiagnosticReport 1 0 allergyintolerance-assertedDate 0..1 dateTime AllergyIntolerance 1 0 allergyintolerance-certainty 0..1 CodeableConcept AllergyIntolerance.reaction 1 0 allergyintolerance-duration 0..1 Duration AllergyIntolerance.reaction 1 0 allergyintolerance-reasonRefuted 0..1 CodeableConcept AllergyIntolerance 1 0 allergyintolerance-resolutionAge 0..1 Age AllergyIntolerance 1 0 allergyintolerance-substanceExposureRisk 0..1 (complex) AllergyIntolerance 1 0 auditevent-Accession 0..* Identifier AuditEvent.entity 1 0 auditevent-Anonymized 0..1 boolean AuditEvent.entity 1 0 auditevent-Encrypted 0..1 boolean AuditEvent.entity 1 0 auditevent-Instance 0..* Identifier AuditEvent.entity 1 0 auditevent-MPPS 0..* Identifier AuditEvent.entity 1 0 auditevent-NumberOfInstances 0..1 integer AuditEvent.entity 1 0 auditevent-ParticipantObjectContainsStudy 0..1 Identifier AuditEvent.entity 1 0 auditevent-SOPClass 0..* Reference AuditEvent.entity 1 0 bodySite 0..1 Reference Element 1 0 capabilitystatement-expectation 0..1 code CapabilityStatement.rest.resource.interaction , CapabilityStatement.rest.resource.searchParam , CapabilityStatement.rest.searchParam , CapabilityStatement.rest.operation , CapabilityStatement.document , CapabilityStatement.rest.interaction , CapabilityStatement.rest.resource.searchInclude , CapabilityStatement.rest.resource.searchRevInclude , CapabilityStatement.rest.resource.operation 1 1 capabilitystatement-prohibited 0..1 M boolean CapabilityStatement.rest.resource.interaction , CapabilityStatement.rest.resource.searchParam , CapabilityStatement.rest.searchParam , CapabilityStatement.rest.operation , CapabilityStatement.document , CapabilityStatement.rest.interaction 1 0 capabilitystatement-search-parameter-combination 0..* (complex) CapabilityStatement.rest.resource 1 0 capabilitystatement-supported-system 0..* uri CapabilityStatement 1 1 capabilitystatement-websocket 0..1 uri CapabilityStatement.rest 1 0 careplan-activity-title 0..1 string CarePlan.activity 1 0 codesystem-alternate 0..* (complex) CodeSystem.concept 1 0 codesystem-author 0..* string CodeSystem 1 0 codesystem-concept-comments 0..1 string CodeSystem.concept 1 8 codesystem-conceptOrder 0..1 integer CodeSystem.concept 1 0 codesystem-effectiveDate 0..1 date CodeSystem 1 0 codesystem-expirationDate 0..1 date CodeSystem 1 0 codesystem-history 0..* (complex) CodeSystem 1 0 codesystem-keyWord 0..* string CodeSystem 1 0 codesystem-label 0..1 string CodeSystem.concept 1 0 codesystem-map 0..1 canonical CodeSystem 1 0 codesystem-otherName 0..* (complex) CodeSystem 1 0 codesystem-replacedby 0..1 Coding CodeSystem.concept 1 1 codesystem-sourceReference 0..1 uri CodeSystem 1 0 codesystem-trusted-expansion 0..* uri CodeSystem 1 0 codesystem-usage 0..* (complex) CodeSystem 1 0 codesystem-warning 0..1 markdown CodeSystem 1 0 codesystem-workflowStatus 0..1 string CodeSystem 1 0 coding-sctdescid 0..1 id Coding 1 0 communication-media 0..* Attachment Communication 1 0 communicationrequest-initiatingLocation 0..1 Reference CommunicationRequest 1 0 composition-clinicaldocument-otherConfidentiality 0..* Coding Composition 1 0 composition-clinicaldocument-versionNumber 0..1 string Composition 1 0 composition-section-subject 0..1 string Composition.section 1 0 concept-bidirectional 0..1 boolean ConceptMap 1 0 condition-assertedDate 0..1 dateTime Condition 1 0 condition-dueTo 0..* (Choice) Condition 1 0 condition-occurredFollowing 0..* (Choice) Condition 1 0 condition-outcome 0..1 CodeableConcept Condition 1 0 condition-related 0..* Reference Condition 1 0 condition-ruledOut 0..* Reference Condition 1 0 consent-NotificationEndpoint 0..1 uri Consent 1 0 consent-Transcriber 0..1 Reference Consent 1 0 consent-Witness 0..1 Reference Consent 1 0 consent-location 0..* Reference Consent.provision 1 0 contactpoint-area 0..1 string ContactPoint 1 0 contactpoint-country 0..1 string ContactPoint 1 0 contactpoint-extension 0..1 string ContactPoint 1 0 contactpoint-local 0..1 string ContactPoint 1 0 cqf-calculatedValue 0..* string Element 1 0 cqf-cdsHooksEndpoint 0..1 uri PlanDefinition 1 0 cqf-certainty 0..* (complex) Element 1 0 cqf-citation 0..1 string Element 1 0 cqf-contactAddress 0..1 Address ContactDetail 1 0 cqf-contactReference 0..1 Reference ContactDetail 1 0 cqf-contributionTime 0..1 dateTime ContactDetail 1 0 cqf-encounterClass 0..1 CodeableConcept Basic 1 0 cqf-encounterType 0..1 CodeableConcept Basic 1 0 cqf-expression 0..* Expression Element 1 10 cqf-initialValue 0..* string Element 1 0 cqf-initiatingOrganization 0..1 Reference Basic 1 0 cqf-initiatingPerson 0..1 Reference Basic 1 0 cqf-library 0..* canonical Element 1 1 cqf-measureInfo 0..* (complex) Element 1 0 cqf-qualityOfEvidence 0..1 CodeableConcept Element 1 7 cqf-receivingOrganization 0..1 Reference Basic 1 0 cqf-receivingPerson 0..1 Reference Basic 1 0 cqf-recipientLanguage 0..1 CodeableConcept Basic 1 0 cqf-recipientType 0..1 CodeableConcept Basic 1 0 cqf-relativeDateTime 0..1 (complex) Element 1 0 cqf-strengthOfRecommendation 0..1 CodeableConcept Element 1 6 cqf-systemUserLanguage 0..1 CodeableConcept Basic 1 0 cqf-systemUserTaskContext 0..1 CodeableConcept Basic 1 0 cqf-systemUserType 0..1 CodeableConcept Basic 1 0 cqm-ValidityPeriod 1..1 dateTime Composition 1 0 data-absent-reason 0..1 code Element 1 0 designNote 0..1 markdown Questionnaire , Questionnaire.item , Questionnaire.item.item , ElementDefinition 1 0 device-implantStatus 0..1 code Device 1 0 devicerequest-patientInstruction 0..* (complex) DeviceRequest 1 0 diagnosticReport-addendumOf 0..1 Reference DiagnosticReport 1 0 diagnosticReport-extends 0..1 Reference DiagnosticReport 1 0 diagnosticReport-locationPerformed 0..1 Reference DiagnosticReport 1 0 diagnosticReport-replaces 0..1 Reference DiagnosticReport 1 0 diagnosticReport-risk 0..* Reference DiagnosticReport , Observation 1 0 diagnosticReport-summaryOf 0..1 Reference DiagnosticReport 1 0 display 0..1 string canonical 1 0 elementdefinition-allowedUnits 0..1 (Choice) ElementDefinition 1 0 elementdefinition-bestpractice 0..1 (Choice) ElementDefinition.constraint 1 178 elementdefinition-bestpractice-explanation 0..1 markdown ElementDefinition.constraint 1 178 elementdefinition-bindingName 0..1 string ElementDefinition.binding 1 295 elementdefinition-equivalence 0..1 code ElementDefinition.mapping 1 0 elementdefinition-identifier 0..* Identifier ElementDefinition 1 0 elementdefinition-inheritedExtensibleValueSet 0..* (Choice) ElementDefinition.binding 1 0 elementdefinition-isCommonBinding 0..1 boolean ElementDefinition.binding 1 206 elementdefinition-maxValueSet 0..1 (Choice) ElementDefinition.binding 1 192 elementdefinition-minValueSet 0..1 (Choice) ElementDefinition.binding 1 0 elementdefinition-namespace 0..1 uri ElementDefinition , StructureDefinition 1 0 elementdefinition-profile-element 0..1 string ElementDefinition.type.profile 1 1 elementdefinition-question 0..* string ElementDefinition 1 0 elementdefinition-selector 0..1 string ElementDefinition 1 0 elementdefinition-translatable 0..1 boolean ElementDefinition 1 25 encounter-associatedEncounter 0..1 Reference Encounter 1 0 encounter-modeOfArrival 0..1 Coding Encounter 1 0 encounter-reasonCancelled 0..1 CodeableConcept Encounter 1 0 entryFormat 0..1 string Questionnaire.item , ElementDefinition 1 0 event-basedOn 0..* Reference Condition 1 0 event-eventHistory 0..* Reference Observation , DiagnosticReport , Task , SupplyDelivery , DeviceUseStatement 1 0 event-location 0..1 Reference Observation , DiagnosticReport , Media , SupplyDelivery 1 0 event-partOf 0..* Reference DiagnosticReport , Condition 1 0 event-performerFunction 0..1 CodeableConcept Observation.performer , DiagnosticReport.performer , Media.operator 1 0 event-statusReason 0..1 CodeableConcept Observation , DiagnosticReport , Media , SupplyDelivery , DeviceUseStatement 1 0 family-member-history-genetics-observation 0..* Reference FamilyMemberHistory 1 0 family-member-history-genetics-parent 0..* (complex) FamilyMemberHistory 1 3 family-member-history-genetics-sibling 0..* (complex) FamilyMemberHistory 1 1 familymemberhistory-abatement 0..1 (Choice) FamilyMemberHistory.condition 1 0 familymemberhistory-patient-record 0..* Reference FamilyMemberHistory 1 0 familymemberhistory-severity 0..1 CodeableConcept FamilyMemberHistory.condition 1 0 familymemberhistory-type 0..1 CodeableConcept FamilyMemberHistory 1 0 flag-detail 0..* Reference Flag 1 0 flag-priority 0..1 CodeableConcept Flag 1 0 geolocation 0..1 (complex) Address 1 0 goal-acceptance 0..* (complex) Goal 1 0 goal-reasonRejected 0..1 CodeableConcept Goal 1 0 goal-relationship 0..* (complex) Goal 1 0 hla-genotyping-results-allele-database 0..1 CodeableConcept DiagnosticReport 1 0 hla-genotyping-results-glstring 0..1 (complex) DiagnosticReport 1 0 hla-genotyping-results-haploid 0..* (complex) DiagnosticReport 1 0 hla-genotyping-results-method 0..1 CodeableConcept DiagnosticReport 1 0 http-response-header 0..* string Bundle.entry.response 1 0 humanname-assembly-order 0..1 code HumanName 1 0 humanname-fathers-family 0..* string HumanName.family 1 0 humanname-mothers-family 0..* string HumanName.family 1 0 humanname-own-name 0..1 string HumanName.family 1 0 humanname-own-prefix 0..1 string HumanName.family 1 4 humanname-partner-name 0..1 string HumanName.family 1 0 humanname-partner-prefix 0..1 string HumanName.family 1 0 identifier-validDate 0..* dateTime Identifier 1 0 iso21090-AD-use 0..1 code Address 1 0 iso21090-ADXP-additionalLocator 0..* string Address.line 1 0 iso21090-ADXP-buildingNumberSuffix 0..* string Address.line 1 0 iso21090-ADXP-careOf 0..* string Address.line 1 0 iso21090-ADXP-censusTract 0..* string Address.line 1 0 iso21090-ADXP-delimiter 0..* string Address.line 1 0 iso21090-ADXP-deliveryAddressLine 0..* string Address.line 1 0 iso21090-ADXP-deliveryInstallationArea 0..* string Address.line 1 0 iso21090-ADXP-deliveryInstallationQualifier 0..* string Address.line 1 0 iso21090-ADXP-deliveryInstallationType 0..* string Address.line 1 0 iso21090-ADXP-deliveryMode 0..* string Address.line 1 0 iso21090-ADXP-deliveryModeIdentifier 0..* string Address.line 1 0 iso21090-ADXP-direction 0..* string Address.line 1 0 iso21090-ADXP-houseNumber 0..* string Address.line 1 0 iso21090-ADXP-houseNumberNumeric 0..* string Address.line 1 0 iso21090-ADXP-postBox 0..* string Address.line 1 0 iso21090-ADXP-precinct 0..* string Address 1 0 iso21090-ADXP-streetAddressLine 0..* string Address.line 1 0 iso21090-ADXP-streetName 0..* string Address.line 1 0 iso21090-ADXP-streetNameBase 0..* string Address.line 1 0 iso21090-ADXP-streetNameType 0..* string Address.line 1 0 iso21090-ADXP-unitID 0..* string Address.line 1 0 iso21090-ADXP-unitType 0..* string Address.line 1 0 iso21090-EN-qualifier 0..* code HumanName.family , HumanName.given , HumanName.prefix , HumanName.suffix 1 0 iso21090-EN-representation 0..1 code HumanName 1 0 iso21090-EN-use 0..1 code HumanName 1 0 iso21090-PQ-translation 0..* Quantity Quantity 1 0 iso21090-SC-coding 0..* Coding string 1 0 iso21090-TEL-address 0..1 url ContactPoint 1 0 iso21090-nullFlavor 0..1 code Element 1 0 iso21090-preferred 0..1 boolean Element 1 0 iso21090-uncertainty 0..1 decimal Quantity 1 0 iso21090-uncertaintyType 0..1 code Quantity 1 0 language 1..1 code HumanName , Address , Annotation 1 0 list-changeBase 0..1 Reference List 1 0 location-boundary-geojson 0..1 Attachment Location 1 0 location-distance 0..1 Distance Bundle.entry.search 1 0 match-grade 0..1 code Bundle.entry.search 1 0 maxDecimalPlaces 0..1 integer Questionnaire.item , ElementDefinition 1 0 maxSize 0..1 decimal Questionnaire.item , ElementDefinition 1 0 maxValue 0..1 (Choice) Questionnaire.item 1 0 messageheader-response-request 1..1 code MessageHeader 1 0 mimeType 0..* code Questionnaire.item , ElementDefinition 1 0 minLength 0..1 integer Questionnaire.item , ElementDefinition 1 0 minValue 0..1 (Choice) Questionnaire.item 1 0 narrativeLink 0..1 url Element 1 0 no-binding 0..1 boolean ElementDefinition.binding 1 0 nutritionorder-adaptiveFeedingDevice 0..* CodeableConcept NutritionOrder.oralDiet 1 0 observation-bodyPosition 0..1 CodeableConcept Observation , Specimen.collection 1 1 observation-delta 0..1 CodeableConcept Observation 1 1 observation-deviceCode 0..1 CodeableConcept Observation 1 0 observation-focusCode 0..1 CodeableConcept Observation 1 0 observation-gatewayDevice 0..1 Reference Observation 1 0 observation-geneticsAllele 0..1 (complex) Observation 1 0 observation-geneticsAminoAcidChange 0..1 (complex) Observation 1 0 observation-geneticsAncestry 0..1 (complex) Observation 1 0 observation-geneticsCopyNumberEvent 0..1 CodeableConcept Observation 1 0 observation-geneticsDNARegionName 0..1 string Observation 1 0 observation-geneticsGene 0..1 CodeableConcept Observation 1 0 observation-geneticsGenomicSourceClass 0..1 CodeableConcept Observation 1 0 observation-geneticsInterpretation 0..1 Reference Observation 1 0 observation-geneticsPhaseSet 0..* (complex) Observation 1 0 observation-geneticsVariant 0..1 (complex) Observation 1 0 observation-precondition 0..* Reference Observation 1 0 observation-reagent 0..* Reference Observation 1 0 observation-replaces 0..* Reference Observation 1 0 observation-secondaryFinding 0..1 CodeableConcept Observation 1 0 observation-sequelTo 0..* Reference Observation 1 0 observation-specimenCode 0..1 CodeableConcept Observation 1 0 observation-timeOffset 0..* integer Observation.component 1 0 openEHR-administration 0..1 Reference AllergyIntolerance.reaction 1 0 openEHR-careplan 0..1 Reference AllergyIntolerance.reaction 1 0 openEHR-exposureDate 0..1 dateTime AllergyIntolerance.reaction 1 0 openEHR-exposureDescription 0..1 string AllergyIntolerance.reaction 1 0 openEHR-exposureDuration 0..1 Duration AllergyIntolerance.reaction 1 0 openEHR-location 0..* CodeableConcept AllergyIntolerance.reaction 1 0 openEHR-management 0..1 string AllergyIntolerance.reaction 1 0 openEHR-test 0..* Reference AllergyIntolerance 1 0 operationdefinition-allowed-type 0..* uri OperationDefinition.parameter 1 0 operationdefinition-profile 0..* uri OperationDefinition.parameter 1 0 operationoutcome-authority 0..1 uri OperationOutcome.issue 1 0 operationoutcome-detectedIssue 0..1 Reference OperationOutcome.issue 1 0 operationoutcome-issue-source 0..1 string OperationOutcome.issue 1 0 ordinalValue 0..1 decimal Coding , Questionnaire.item.answerOption , CodeSystem.concept , ValueSet.compose.include.concept 1 7 organization-period 0..1 Period Organization 1 0 organization-preferredContact 0..1 boolean Organization.contact 1 0 organizationaffiliation-primaryInd 0..1 boolean OrganizationAffiliation.specialty 1 0 originalText 0..1 string Element 1 0 parameters-fullUrl 0..1 uri Parameters.parameter 1 0 patient-adoptionInfo 0..1 CodeableConcept Patient 1 0 patient-animal 0..1 (complex) Patient 1 1 patient-birthPlace 0..1 Address Patient 1 0 patient-birthTime 0..1 dateTime Patient.birthDate 1 11 patient-cadavericDonor 0..1 boolean Patient 1 0 patient-citizenship 0..* (complex) Patient 1 0 patient-congregation 0..1 string Patient 1 0 patient-disability 0..* CodeableConcept Patient 1 0 patient-genderIdentity 0..1 CodeableConcept Patient 1 0 patient-importance 0..1 CodeableConcept Patient 1 0 patient-interpreterRequired 0..1 boolean Patient 1 0 patient-mothersMaidenName 0..1 string Patient 1 4 patient-nationality 0..* (complex) Patient 1 0 patient-preferenceType 0..* Coding Patient.communication.preferred 1 0 patient-proficiency 0..* (complex) Patient.communication 1 0 patient-relatedPerson 0..* Reference Patient.contact 1 0 patient-religion 0..* CodeableConcept Patient 1 0 practitioner-animalSpecies 0..1 CodeableConcept Practitioner , RelatedPerson 1 0 practitionerrole-primaryInd 0..1 boolean PractitionerRole.specialty 1 0 procedure-approachBodyStructure 0..* Reference Procedure , ServiceRequest , DeviceRequest , DeviceUseStatement 1 0 procedure-causedBy 0..* Reference Procedure 1 0 procedure-directedBy 0..1 (Choice) Procedure , ServiceRequest 1 0 procedure-incisionDateTime 0..1 dateTime Procedure 1 0 procedure-method 0..1 CodeableConcept Procedure 1 0 procedure-progressStatus 0..1 CodeableConcept Procedure 1 0 procedure-schedule 0..1 Timing Procedure 1 0 procedure-targetBodyStructure 0..* Reference Procedure , ServiceRequest 1 0 quantity-precision 0..1 integer decimal 1 0 questionnaire-baseType 0..1 code Questionnaire.item , Questionnaire.item.item 1 0 questionnaire-choiceOrientation 0..1 code Questionnaire.item , Questionnaire.item.item 1 0 questionnaire-constraint 0..* (complex) Questionnaire , Questionnaire.item , Questionnaire.item.item 1 0 questionnaire-displayCategory 0..1 CodeableConcept Questionnaire.item , Questionnaire.item.item 1 0 questionnaire-fhirType 0..1 string Questionnaire.item , Questionnaire.item.item 1 0 questionnaire-hidden 0..1 boolean Questionnaire.item , Questionnaire.item.item 1 0 questionnaire-itemControl 0..1 CodeableConcept Questionnaire.item , Questionnaire.item.item 1 0 questionnaire-maxOccurs 0..1 integer Questionnaire.item , Questionnaire.item.item 1 0 questionnaire-minOccurs 0..1 integer Questionnaire.item , Questionnaire.item.item 1 0 questionnaire-optionExclusive 0..1 boolean Questionnaire.item.answerOption 1 0 questionnaire-optionPrefix 0..1 string Questionnaire.item.answerOption 1 0 questionnaire-referenceFilter 0..1 string Questionnaire.item , Questionnaire.item.item 1 0 questionnaire-referenceProfile 0..* canonical Questionnaire.item , Questionnaire.item.item 1 0 questionnaire-referenceResource 0..* code Questionnaire.item , Questionnaire.item.item 1 1 questionnaire-signatureRequired 0..* CodeableConcept Questionnaire , Questionnaire.item , Questionnaire.item.item 1 0 questionnaire-sliderStepValue 0..1 integer Questionnaire.item , Questionnaire.item.item 1 0 questionnaire-supportLink 0..* uri Questionnaire.item , Questionnaire.item.item 1 0 questionnaire-unit 0..1 Coding Questionnaire.item , Questionnaire.item.item 1 0 questionnaire-unitOption 0..* Coding Questionnaire.item , Questionnaire.item.item 1 0 questionnaire-unitValueSet 0..1 canonical Questionnaire.item , Questionnaire.item.item 1 0 questionnaire-usageMode 0..1 code Questionnaire.item , Questionnaire.item.item 1 0 questionnaireresponse-author 0..1 Reference QuestionnaireResponse.item , QuestionnaireResponse.item.item 1 0 questionnaireresponse-completionMode 0..1 CodeableConcept QuestionnaireResponse 1 0 questionnaireresponse-reason 0..* CodeableConcept QuestionnaireResponse 1 0 questionnaireresponse-reviewer 0..1 Reference QuestionnaireResponse 1 0 questionnaireresponse-signature 0..* Signature QuestionnaireResponse , QuestionnaireResponse.item , QuestionnaireResponse.item.item 1 0 regex 0..1 string Questionnaire.item , ElementDefinition 1 19 relative-date 0..1 (complex) date, dateTime 1 0 rendered-value 0..1 string Identifier.value , date, dateTime, time, instant, integer, decimal, string, code, canonical 1 0 rendering-markdown 0..1 markdown string 1 0 rendering-style 0..1 string Element 1 0 rendering-styleSensitive 0..1 boolean Element 1 0 rendering-xhtml 0..1 string string 1 0 replaces 0..* canonical ActivityDefinition , CapabilityStatement , ChargeItemDefinition , Citation , CodeSystem , CompartmentDefinition , ConceptMap , EventDefinition , Evidence , EvidenceReport , EvidenceVariable , ExampleScenario , GraphDefinition , ImplementationGuide , Library , Measure , MessageDefinition , NamingSystem , OperationDefinition , PlanDefinition , Questionnaire , ResearchDefinition , ResearchElementDefinition , SearchParameter , StructureDefinition , StructureMap , SubscriptionTopic , TerminologyCapabilities , TestScript , ValueSet 1 0 request-doNotPerform 0..1 M boolean NutritionOrder 1 0 request-insurance 0..* Reference NutritionOrder 1 0 request-performerOrder 0..1 integer ServiceRequest.performer 1 0 request-relevantHistory 0..* Reference NutritionOrder , CommunicationRequest 1 0 request-replaces 0..* Reference NutritionOrder 1 0 request-statusReason 0..1 CodeableConcept DeviceRequest , ServiceRequest , NutritionOrder , SupplyRequest 1 0 resource-approvalDate 0..1 date StructureDefinition , StructureMap , CapabilityStatement , OperationDefinition , SearchParameter , CompartmentDefinition , ImplementationGuide , CodeSystem , ValueSet , ConceptMap , NamingSystem 1 0 resource-effectivePeriod 0..1 Period StructureDefinition , StructureMap , CapabilityStatement , OperationDefinition , SearchParameter , CompartmentDefinition , ImplementationGuide , CodeSystem , ValueSet , ConceptMap , NamingSystem 1 0 resource-lastReviewDate 0..1 date StructureDefinition , StructureMap , CapabilityStatement , OperationDefinition , SearchParameter , CompartmentDefinition , ImplementationGuide , CodeSystem , ValueSet , ConceptMap , NamingSystem 1 0 resource-pertainsToGoal 0..* Reference Resource 1 0 servicerequest-geneticsItem 0..* (complex) DiagnosticReport 1 0 servicerequest-precondition 0..* CodeableConcept ServiceRequest 1 0 servicerequest-questionnaireRequest 0..1 Reference ServiceRequest 1 0 specimen-collectionPriority 0..1 CodeableConcept Specimen.collection 1 0 specimen-isDryWeight 0..1 boolean Specimen.collection.quantity 1 0 specimen-processingTime 0..1 (Choice) Specimen.processing 1 0 specimen-sequenceNumber 0..1 integer Specimen.container 1 0 specimen-specialHandling 0..* CodeableConcept Specimen.collection 1 0 structuredefinition-ancestor 0..* uri StructureDefinition 1 0 structuredefinition-applicable-version 0..* code StructureDefinition 1 0 structuredefinition-category 0..1 string StructureDefinition 1 139 structuredefinition-codegen-super 0..1 string StructureDefinition.baseDefinition 1 0 structuredefinition-dependencies 0..* canonical StructureDefinition 1 0 structuredefinition-display-hint 0..1 string ElementDefinition 1 21 structuredefinition-explicit-type-name 0..1 string ElementDefinition 1 35 structuredefinition-fhir-type 0..1 url ElementDefinition.type.code 1 645 structuredefinition-fmm 0..1 integer Element 1 1857 structuredefinition-fmm-no-warnings 0..1 integer StructureDefinition 1 0 structuredefinition-hierarchy 0..1 boolean ElementDefinition.type 1 6 structuredefinition-normative-version 0..1 code StructureDefinition 1 188 structuredefinition-security-category 0..1 code StructureDefinition 1 139 structuredefinition-standards-status 0..1 code Element 1 1522 structuredefinition-summary 0..1 markdown StructureDefinition 1 12 structuredefinition-table-name 0..1 string StructureDefinition.mapping 1 0 structuredefinition-template-status 0..1 code StructureDefinition 1 0 structuredefinition-wg 0..1 code Element 1 2633 structuredefinition-xml-no-order 0..1 boolean StructureDefinition 1 0 task-candidateList 0..* Reference Task 1 0 task-replaces 0..* Reference Task 1 0 timing-dayOfMonth 0..* positiveInt Timing.repeat 1 0 timing-daysOfCycle 1..1 (complex) PlanDefinition.action , RequestGroup.action 1 2 timing-exact 0..1 boolean Timing.repeat 1 0 translation 0..* (complex) string, code, markdown 1 0 tz-code 0..1 code date, dateTime, instant 1 0 tz-offset 0..1 string date 1 0 usagecontext-group 0..1 string UsageContext 1 1 valueset-activityStatusDate 0..1 date ValueSet 1 0 valueset-author 0..* ContactDetail ValueSet 1 0 valueset-authoritativeSource 0..1 uri ValueSet 1 0 valueset-caseSensitive 0..1 boolean ValueSet.expansion.contains 1 0 valueset-concept-comments 0..1 string ValueSet.compose.include.concept 1 1 valueset-concept-definition 0..1 string ValueSet.compose.include.concept , ValueSet.expansion.contains 1 7 valueset-conceptOrder 0..1 integer ValueSet.compose.include.concept , ValueSet.expansion.contains 1 0 valueset-deprecated 0..1 boolean ValueSet.compose.include.concept 1 0 valueset-effectiveDate 0..1 dateTime ValueSet 1 0 valueset-expand-group 0..* (complex) ValueSet.compose.include 1 2 valueset-expand-rules 0..1 code ValueSet.compose.include 1 2 valueset-expansionSource 0..1 uri ValueSet.expansion 1 2 valueset-expirationDate 0..1 date ValueSet 1 0 valueset-expression 0..1 Expression ValueSet 1 0 valueset-extensible 0..1 boolean ValueSet 1 13 valueset-keyWord 0..* string ValueSet 1 0 valueset-label 0..1 string ValueSet.compose.include.concept , ValueSet.expansion.contains 1 0 valueset-map 0..1 canonical ValueSet 1 2 valueset-otherName 0..* (complex) ValueSet 1 0 valueset-parameterSource 0..1 code ValueSet.expansion.parameter 1 0 valueset-reference 0..1 uri Coding 1 0 valueset-rules-text 0..1 markdown ValueSet 1 0 valueset-sourceReference 0..1 uri ValueSet 1 0 valueset-special-status 0..1 string ValueSet , CodeSystem 1 10 valueset-steward 0..* ContactDetail ValueSet 1 1 valueset-supplement 0..* canonical ValueSet 1 0 valueset-system 0..1 canonical ValueSet.compose.include.system 1 0 valueset-systemName 0..1 string ValueSet.compose.include 1 0 valueset-systemRef 0..1 uri ValueSet.compose.include 1 0 valueset-toocostly 0..1 boolean ValueSet.expansion 1 0 valueset-trusted-expansion 0..* uri ValueSet 1 0 valueset-unclosed 0..1 boolean ValueSet.expansion 1 0 valueset-usage 0..* (complex) ValueSet 1 0 valueset-warning 0..1 markdown ValueSet 1 2 valueset-workflowStatus 0..1 string ValueSet 1 0 variable 0..* Expression Questionnaire , Questionnaire.item , Questionnaire.item.item 1 0 workflow-episodeOfCare 0..* Reference Observation , DiagnosticReport , Media , DeviceRequest , ServiceRequest , NutritionOrder , DeviceUseStatement , AdverseEvent , CarePlan , CareTeam , ClinicalImpression , Communication , CommunicationRequest , Condition , Procedure , QuestionnaireResponse 1 0 workflow-instantiatesCanonical 0..* canonical Observation , DiagnosticReport , Media , Condition , SupplyDelivery , CommunicationRequest , SupplyRequest 1 0 workflow-instantiatesUri 0..* uri Observation , DiagnosticReport , Media , Condition , SupplyDelivery , CommunicationRequest , SupplyRequest 1 0 workflow-reasonCode 0..* CodeableConcept Observation , DiagnosticReport , Media , NutritionOrder 1 0 workflow-reasonReference 0..* Reference Observation , DiagnosticReport , Media , NutritionOrder 1 0 workflow-relatedArtifact 0..* RelatedArtifact DiagnosticReport , Observation 1 0 workflow-researchStudy 0..* Reference Composition , Consent , DeviceUseStatement , DiagnosticReport , Encounter , FamilyMemberHistory , Immunization , Media , MedicationAdministration , MedicationDispense , MedicationStatement , Observation , Procedure , QuestionnaireResponse , RiskAssessment , SupplyDelivery , Task 1 0 workflow-supportingInfo 0..* Reference DiagnosticReport , Observation , CommunicationRequest 1 0