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| Package | Version | Identity | Name/Title | Status | FMM | WG | Date | Realm | DataType | Usage # |
|---|---|---|---|---|---|---|---|---|---|---|
| hl7.fhir.au.base | R4 | StructureDefinition-ihi-status.json | IHI Status | trial-use | 3 | 2026-07 | au | Extension | 1 | |
| hl7.fhir.au.base | R4 | StructureDefinition-identifier-routability.json | Identifier Routability | trial-use | 2 | 2026-07 | au | Extension | 2 | |
| hl7.fhir.au.base | R4 | StructureDefinition-date-accuracy-indicator.json | Date Accuracy Indicator | trial-use | 2 | 2026-07 | au | Extension | 2 | |
| ee.fhir.base | R5 | StructureDefinition-ee-date-accuracy-indicator.json | EEBase Date Accuracy Indicator | active | 2025-11 | ee | Extension | 1 | ||
| hl7.fhir.au.base | R4 | StructureDefinition-au-timezone.json | Australian Time Zone | deprecated | 1 | 2026-07 | au | Extension | 2 | |
| hl7.fhir.uv.deqm | R4 | StructureDefinition-deqm-calculatedDate.json | DEQM Calculated Date Extension | trial-use | 4 | cqi | 2018-06 | uv | Extension | 3 |
| hl7.fhir.us.davinci-deqm | R4 | StructureDefinition-extension-calculatedDate.json | DEQM Calculated Date Extension | trial-use | 4 | cqi | 2018-06 | us | Extension | 3 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-target-feature-assertion.json | Target Feature Assertion | draft | 2 | fhir | 2022-08 | uv | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-feature-assertion.json | Feature Assertion | draft | 2 | fhir | 2022-08 | uv | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-encounter-recordLinkage.json | Encounter Record Linkage | trial-use | 1 | pa | 2025-11 | uv | Extension | |
| fhir.r4.wales.test | R4 | Extension-DataStandardsWales-DocumentErrorStatus.json | Extension Data Standards Wales Document Error Status | draft | 2025-09 | us | Extension | 1 | ||
| hl7.fhir.us.ecr.r4b | R4B | StructureDefinition-us-ph-initiation-reason-extension.json | US Public Health Initiation Reason Extension | active | pher | 2024-10 | us | Extension | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-servicerequest-order-callback-phone-number.json | ServiceRequest Order Callback Phone Number | trial-use | 0 | oo | 2023-12 | uv | Extension | |
| hl7.fhir.us.carin-rtpbc | R4 | StructureDefinition-rtpbc-benefitRestriction.json | RTPBC benefitRestriction Extension | trial-use | 1 | phx | 2020-05 | us | Extension | 2 |
| hl7.fhir.us.carin-rtpbc | R4 | StructureDefinition-rtpbc-relatedCoverage.json | RTPBC relatedCoverage Extension | trial-use | 1 | phx | 2026-02 | us | Extension | 2 |
| hl7.fhir.us.carin-rtpbc | R4 | StructureDefinition-rtpbc-nextAvailableFillDate.json | RTPBC nextAvailableFillDate Extension | trial-use | 1 | phx | 2025-12 | us | Extension | 2 |
| hl7.fhir.us.carin-rtpbc | R4 | StructureDefinition-rtpbc-formularyStatus.json | RTPBC formularyStatus Extension | trial-use | 1 | phx | 2025-10 | us | Extension | 2 |
| hl7.fhir.us.carin-rtpbc | R4 | StructureDefinition-rtpbc-preferenceLevel.json | RTPBC preferenceLevel Extension | trial-use | 1 | phx | 2025-12 | us | Extension | 2 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-valueset-expand-group.json | ValueSet Expand Group | deprecated | 1 | vocab | 2019-10 | uv | Extension | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-valueset-parameter.json | ValueSet Parameter Declaration | informative | 0 | fhir | 2026-07 | uv | Extension | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-binding-parameter.json | Binding Parameter Declaration | informative | 0 | fhir | 2026-07 | uv | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-valueset-supplement.json | ValueSet Supplement | trial-use | 3 | vocab | 2020-12 | uv | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-obligations-profile.json | Obligations Profile | draft | 0 | fhir | 2022-08 | uv | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-capabilitystatement-search-parameter-combination.json | CapabilityStatement Search Parameter Combination | trial-use | 3 | fhir | 2022-08 | uv | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-capabilitystatement-search-parameter-use.json | CapabilityStatement Search Parameter Use | trial-use | 2 | fhir | 2022-08 | uv | Extension | |
| hl7se.fhir.base | R4 | StructureDefinition-SEBaseAddressPersonExtension.json | SE extension for official address types | active | 2025-05 | se | Extension | 2 | ||
| hl7.fhir.essilux.core | R4 | ELCoreExtensionUsedfor.json | EL Core Extension Used For | active | 2023-05 | essilux | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-serviceassignment.json | CH ALIS Extension ServiceAssignment | active | 2026-06 | ch | Extension | 2 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-sessionannexb.json | CH ALIS Extension SessionAnnexB | active | 2026-06 | ch | Extension | 2 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-diagnosisconfidential.json | CH ALIS Extension DiagnosisConfidential | active | 2026-06 | ch | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-form.json | CH ALIS Extension Form | active | 2026-06 | ch | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-itemnumber.json | CH ALIS Extension ItemNumber | active | 2026-06 | ch | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-orderdate.json | CH ALIS Extension OrderDate | active | 2026-06 | ch | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-orderid.json | CH ALIS Extension OrderID | active | 2026-06 | ch | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-parameterv40.json | CH ALIS Extension ParameterV40 | active | 2026-06 | ch | Extension | 2 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-refitemnumber.json | CH ALIS Extension RefItemNumber | active | 2026-06 | ch | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-sectioncode.json | CH ALIS Extension SectionCode | active | 2026-06 | ch | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-serviceitemerrorcode.json | CH ALIS Extension ServiceItemErrorCode | active | 2026-06 | ch | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-sessionid.json | CH ALIS Extension SessionID | active | 2026-06 | ch | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-tpvalue.json | CH ALIS Extension TPValue | active | 2026-06 | ch | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-termination.json | CH ALIS Extension Termination | active | 2026-06 | ch | Extension | 1 | ||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-ServiceRequestMethod.json | Extension UK Core Service Request Method | retired | 2022-05 | us | Extension | |||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-SourceOfServiceRequest.json | Extension UK Core Source Of Service Request | active | 2022-12 | us | Extension | 2 | ||
| hl7.fhir.uv.application-feature | R5 | StructureDefinition-feature.json | Feature | trial-use | 2 | fhir | 2026-06 | uv | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-identifier-status.json | NDH Identifier Status | trial-use | 4 | pa | 2017-11 | us | Extension | 10 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-logo.json | NDH Logo | trial-use | 4 | pa | 2026-08 | us | Extension | 3 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-endpoint-reference.json | NDH Endpoint Reference | trial-use | 4 | pa | 2026-08 | us | Extension | 2 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-newpatients-characteristics.json | NDH New Patients Characteristics | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-rating-details.json | NDH Rating Details | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-endpoint-environment-type.json | NDH Endpoint EnvironmentType | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-org-alias-type.json | NDH Organization Alias Type | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-accessibility.json | NDH Accessibility | trial-use | 4 | pa | 2026-08 | us | Extension | 2 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-security-details.json | NDH Security Details | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-verification-status.json | NDH Verification Status | trial-use | 4 | pa | 2026-08 | us | Extension | 11 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-dynamicRegistration.json | NDH Dynamic Registration | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-location-reference.json | NDH Location Reference | trial-use | 4 | pa | 2026-08 | us | Extension | 3 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-endpointAccessControlMechanism.json | NDH Endpoint Access Control Mechanism | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-delivery-method.json | NDH Delivery Method | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-implementation-guide.json | NDH Implementation Guide Supported | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-communication-proficiency.json | NDH Communication Proficiency | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-service-or-program-requirement.json | NDH HealthcareService or Program Requirement | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-requiredDocument.json | NDH Required Document | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-network-reference.json | NDH Network Reference | trial-use | 4 | pa | 2026-08 | us | Extension | 2 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-endpoint-rank.json | NDH Endpoint Rank | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-fundingSource.json | NDH Funding Source | trial-use | 4 | pa | 2026-08 | us | Extension | 2 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-insuranceplan-reference.json | NDH InsurancePlan Reference | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-org-description.json | NDH Org Description | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-secureExchangeArtifacts.json | NDH Secure Exchange Artifacts | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-practitioner-qualification-scope.json | NDH Practitioner Qualification Scope where valid and status | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-endpoint-ihe-specific-connection-type.json | NDH Endpoint IHE Specific Connection Type | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-ndh-age-range.json | NDH Age Range | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-ndh-age-group.json | NDH Age Group | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-associatedServers.json | NDH Associated Servers | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-newpatients.json | NDH New Patients | trial-use | 4 | pa | 2026-08 | us | Extension | 3 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-rating.json | NDH Rating | trial-use | 4 | pa | 2026-08 | us | Extension | 4 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-language-speak.json | NDH Language Speak | trial-use | 4 | pa | 2026-08 | us | Extension | 3 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-paymentAccepted.json | NDH Payment Accepted | trial-use | 4 | pa | 2026-08 | us | Extension | 2 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-org-alias-period.json | NDH Organization Alias Period | trial-use | 4 | pa | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-BackgroundColor-extension.json | Background Color | trial-use | 2 | claims | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-ForegroundColor-extension.json | Foreground Color | trial-use | 2 | claims | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-HighlightColor-extension.json | Highlight Color | trial-use | 2 | claims | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-QRCode-extension.json | QR Code | trial-use | 2 | claims | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-Barcode-extension.json | Barcode | trial-use | 2 | claims | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-Logo-extension.json | Logo | trial-use | 2 | claims | 2026-08 | us | Extension | 1 |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-SupportingImage-extension.json | Supporting image | trial-use | 2 | claims | 2026-08 | us | Extension | 1 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-messageheader-response-request.json | MessageHeader Response Request | trial-use | 3 | inm | 2017-01 | uv | Extension | |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-AdditionalCardInformation-extension.json | Additional Insurance Card Information | trial-use | 2 | claims | 2026-08 | us | Extension | 1 |
| hl7.fhir.uv.fhir-for-fair | R4B | StructureDefinition-relatedArtifactResourceReference.json | ResourceReference [RelatedArtifact] | active | 2024-01 | uv | Extension | 1 | ||
| hl7.fhir.uv.fhir-for-fair | R4B | StructureDefinition-relatedArtifactType.json | Type [RelatedArtifact] | active | 2024-01 | uv | Extension | 1 | ||
| hl7.fhir.uv.fhir-for-fair | R4B | StructureDefinition-relatedArtifactClassifier.json | Classifier [RelatedArtifact] | active | 2024-01 | uv | Extension | 1 | ||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-DeviceReference.json | Extension UK Core Device Reference | active | 2024-07 | us | Extension | 2 | ||
| hl7.fhir.uv.tools | R5 | StructureDefinition-additional-resource.json | Additional Resource Flag | informative | 4 | fhir | 2026-07 | uv | Extension | |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-ColorPalette-extension.json | Color Palette | trial-use | 2 | claims | 2026-08 | us | Extension | 1 |
| nhsdigital.fhir.stu3 | R3 | Extension-DCH-SignificantIndividual-1.json | Extension-DCH-SignificantIndividual-1 | draft | 2018-01 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-DCH-ParentalResponsibility-1.json | Extension-DCH-ParentalResponsibility-1 | draft | 2018-01 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-DCH-Link-1.json | Extension-DCH-Link-1 | draft | 2018-01 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-DCH-ProfessionalContactReason-1.json | Extension-DCH-ProfessionalContactReason-1 | draft | 2018-01 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-PDS-SystemEffectivePeriod-1.json | Extension-PDS-SystemEffectivePeriod-1 | draft | 2018-09 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-EMS-FailsafeAlertEscalationLevel-1.json | Extension-EMS-FailsafeAlertEscalationLevel-1 | draft | 2017-11 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-DCH-HouseholdMember-1.json | Extension-DCH-HouseholdMember-1 | draft | 2019-02 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-EMS-FailsafeAlertSeverityLevel-1.json | Extension-EMS-FailsafeAlertSeverityLevel-1 | draft | 2017-11 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-EMS-MessageEventType-1.json | Extension-EMS-MessageEventType-1 | draft | 2017-11 | Extension | 1 | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-codesystem-otherName.json | CodeSystem Other Name | deprecated | 3 | vocab | 2020-12 | uv | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-capabilitystatement-declared-profile.json | CapabilityStatement Declared Profile | deprecated | 2 | fhir | 2022-08 | uv | Extension | |
| hl7.fhir.us.davinci-ra | R4 | StructureDefinition-ra-groupReference.json | Group Reference Extension | trial-use | 2 | cqi | 2026-04 | us | Extension | 2 |
| hl7.fhir.essilux.core | R4 | ELCoreExtensionBalance.json | EL Core Extension Lens Balance | active | 2023-05 | essilux | Extension | 1 | ||
| hl7.fhir.essilux.core | R4 | ELCoreExtensionLenscleaner.json | EL Core Extension Lens Cleaner | active | 2023-05 | essilux | Extension | 1 | ||
| hl7.fhir.essilux.core | R4 | ELCoreExtensionSpeciality.json | EL Core Extension Len Speciality | active | 2023-05 | essilux | Extension | 1 | ||
| hl7.fhir.essilux.core | R4 | ELCoreExtensionDisinfectionSolution.json | EL Core Extension Lens Disinfection Solution | active | 2023-05 | essilux | Extension | 1 | ||
| hl7.fhir.essilux.core | R4 | ELCoreExtensionLensType.json | EL Core Extension Lens Type | active | 2023-05 | essilux | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-medication-manufacturer.json | Medication Manufacturer | trial-use | 1 | phx | 2025-07 | uv | Extension | |
| hl7.fhir.ca.baseline | R4 | structuredefinition-ext-deceased.json | Extension: Individual is deceased flag or date | draft | 2024-08 | ca | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-valueset-select-by-map.json | Select By Map | trial-use | 1 | vocab | 2026-07 | uv | Extension | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-select-by-map.json | Select By Map | deprecated | 1 | fhir | 2026-07 | uv | Extension | |
| hl7.fhir.us.carin-rtpbc | R4 | StructureDefinition-rtpbc-isAlternative.json | RTPBC isAlternative Extension | trial-use | 1 | phx | 2020-05 | us | Extension | 2 |
| hl7.fhir.us.core | R4 | StructureDefinition-us-core-interpreter-needed.json | US Core Interpreter Needed Extension | trial-use | 2 | cgp | 2024-09 | us | Extension | 2 |
| hl7.fhir.be.medication | R4 | StructureDefinition-BeExtMedicationLineRegistrationStatus.json | BeExtMedicationLineRegistrationStatus | active | 2026-07 | be | Extension | 1 | ||
| hl7.fhir.us.core | R4 | StructureDefinition-us-core-authentication-time.json | US Core Authentication Time Extension | deprecated | 2 | cgp | 2024-10 | us | Extension | |
| hl7.fhir.us.home-lab-report.r4 | R4 | StructureDefinition-Extension-sex-for-clinical-use.json | Extension - Sex For Clinical Use | active | 2022-10 | us | Extension | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-NominatedPharmacy-1.json | Extension-CareConnect-GPC-NominatedPharmacy-1 | active | 2017-11 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-NominatedPharmacy-1.json | Extension-CareConnect-NominatedPharmacy-1 | draft | 2018-11 | Extension | 6 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-DeathNotificationStatus-1.json | Extension-CareConnect-GPC-DeathNotificationStatus-1 | active | 2018-02 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-DeathNotificationStatus-1.json | Extension-CareConnect-DeathNotificationStatus-1 | draft | 2018-11 | Extension | 6 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-MainLocation-1.json | Extension-CareConnect-GPC-MainLocation-1 | active | 2017-07 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-MainLocation-1.json | Extension-CareConnect-MainLocation-1 | draft | 2018-11 | Extension | 4 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-NHSNumberVerificationStatus-1.json | Extension-CareConnect-GPC-NHSNumberVerificationStatus-1 | active | 2017-06 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-NHSNumberVerificationStatus-1.json | Extension-CareConnect-NHSNumberVerificationStatus-1 | draft | 2018-11 | Extension | 6 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-RegistrationDetails-1.json | Extension-CareConnect-GPC-RegistrationDetails-1 | active | 2017-06 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-RegistrationDetails-1.json | Extension-CareConnect-RegistrationDetails-1 | draft | 2017-06 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-GPConnect-CareSettingType-1.json | Extension-GPConnect-CareSettingType-1 | draft | 2018-01 | Extension | ||||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-EthnicCategory-1.json | Extension-CareConnect-GPC-EthnicCategory-1 | active | 2017-06 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-EthnicCategory-1.json | Extension-CareConnect-EthnicCategory-1 | draft | 2018-11 | Extension | 6 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-DCH-ReferralRequestMethod-1.json | Extension-DCH-ReferralRequestMethod-1 | draft | 2018-01 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-ReferralRequestMethod-1.json | Extension-CareConnect-ReferralRequestMethod-1 | draft | 2019-07 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-ReligiousAffiliation-1.json | Extension-CareConnect-GPC-ReligiousAffiliation-1 | active | 2017-06 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-ReligiousAffiliation-1.json | Extension-CareConnect-ReligiousAffiliation-1 | draft | 2018-11 | Extension | 6 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-ResidentialStatus-1.json | Extension-CareConnect-GPC-ResidentialStatus-1 | active | 2017-06 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-ResidentialStatus-1.json | Extension-CareConnect-ResidentialStatus-1 | draft | 2018-11 | Extension | 6 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-DCH-SourceOfReferral-1.json | Extension-DCH-SourceOfReferral-1 | draft | 2018-01 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-SourceOfReferral-1.json | Extension-CareConnect-SourceOfReferral-1 | draft | 2019-08 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-TreatmentCategory-1.json | Extension-CareConnect-GPC-TreatmentCategory-1 | active | 2017-06 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-TreatmentCategory-1.json | Extension-CareConnect-TreatmentCategory-1 | draft | 2018-11 | Extension | 6 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-NHSCommunication-1.json | Extension-CareConnect-GPC-NHSCommunication-1 | active | 2017-06 | Extension | 2 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-EOL-NHSCommunication-1.json | Extension-EOL-NHSCommunication-1 | draft | 2018-08 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-NHSCommunication-1.json | Extension-CareConnect-NHSCommunication-1 | draft | 2018-11 | Extension | 8 | |||
| hl7.fhir.au.base | R4 | StructureDefinition-no-fixed-address.json | No Fixed Address | deprecated | 2 | 2026-07 | au | Extension | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-diagnosticReport-locationPerformed.json | DiagnosticReport Location Performed | deprecated | 3 | oo | 2015-02 | uv | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-observation-focusCode.json | Observation Focal Subject Code | deprecated | 3 | oo | 2015-03 | uv | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-entered-in-error-status.json | Entered In Error Status | trial-use | 4 | fhir | 2026-07 | uv | Extension | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-entered-in-error-status.json | Entered In Error Status | trial-use | 4 | fhir | 2026-07 | uv | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-web-source.json | Web Source | trial-use | 4 | fhir | 2026-07 | uv | Extension | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-web-source.json | Web Source | deprecated | 4 | fhir | 2026-07 | uv | Extension | |
| hl7.eu.fhir.idea4rc | R4 | StructureDefinition-same-hospital.json | Same Hospital | draft | 2026-08 | eu | Extension | 6 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-location-distance.json | Bundle Location Distance | trial-use | 3 | fhir | 2015-03 | uv | Extension | |
| fhir.onc.us-quality-core | R4 | StructureDefinition-uscdiplusquality.json | US Quality Core USCDI+ Quality Extension | active | 2026-06 | us | Extension | |||
| hl7.eu.fhir.idea4rc | R4 | StructureDefinition-same-custodian-flag.json | Same custodian flag | draft | 2026-08 | eu | Extension | 1 | ||
| hl7.fhir.us.cimilabs | R4 | StructureDefinition-lab-document.json | Lab Document extension | draft | 2023-08 | us | Extension | 1 | ||
| signal.core.r4 | R4 | StructureDefinition-extension-SignalServiceRequestProvider.json | SignalServiceRequestProvider | draft | us | Extension | ||||
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-gfeBillingProviderLineItemCtrlNum.json | GFEBillingProviderLineItemCtrlNum | trial-use | 2 | fm | 2026-03 | us | Extension | 2 |
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-providerEventMethodology.json | ProviderEventMethodology | trial-use | 2 | fm | 2026-03 | us | Extension | 2 |
| hl7.fhir.uv.tools | R5 | StructureDefinition-logical-container.json | Logical Container | informative | 2 | fhir | 2026-07 | uv | Extension | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-logical-target.json | Logical Target | informative | 2 | fhir | 2026-07 | uv | Extension | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-no-binding.json | No Binding Extension | informative | 4 | fhir | 2026-07 | uv | Extension | |
| hl7.fhir.us.quality-core | R4 | StructureDefinition-us-quality-core-uscdi-quality-extension.json | US Quality Core USCDI+ Quality Extension | trial-use | 4 | cqi | 2026-06 | us | Extension | |
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-ListWarningCode-1.json | Extension-CareConnect-GPC-ListWarningCode-1 | draft | 2019-06 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-ListWarningCode-1.json | Extension-CareConnect-ListWarningCode-1 | draft | 2019-06 | Extension | 7 | |||
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-serviceDescription.json | Service Description | trial-use | 2 | fm | 2026-03 | us | Extension | 5 |
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-processNoteClass.json | ProcessNote Class | trial-use | 2 | fm | 2026-03 | us | Extension | 2 |
| hl7.eu.fhir.idea4rc | R4 | StructureDefinition-condition-relapseType.json | Relapse Type | draft | 2026-08 | eu | Extension | 2 | ||
| hl7.eu.fhir.pcsp | R4 | StructureDefinition-condition-relapseType.json | Relapse Type | active | 2023-01 | eu | Extension | 2 | ||
| hl7.eu.fhir.pcsp | R4 | StructureDefinition-annotation-type.json | Annotation Type | active | 2023-01 | eu | Extension | 1 | ||
| hl7.fhir.uv.crmi | R4 | StructureDefinition-crmi-license.json | CRMI License Extension | trial-use | 1 | cds | 2026-07 | uv | Extension | |
| hl7.fhir.us.pacio-cs | R4 | StructureDefinition-event-location.json | ObservationEventLocation | active | 2024-11 | us | Extension | 3 | ||
| hl7.fhir.us.pacio-fs | R4 | StructureDefinition-event-location.json | ObservationEventLocation | active | 2021-11 | us | Extension | 3 | ||
| hl7.fhir.us.pacio-pfe | R4 | StructureDefinition-event-location.json | ObservationEventLocation | trial-use | 3 | pc | 2026-08 | us | Extension | 4 |
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-providerTaxonomy.json | ProviderTaxonomy | trial-use | 2 | fm | 2026-03 | us | Extension | 2 |
| ch.fhir.ig.ch-core | R4 | StructureDefinition-ch-emed-ext-substitution.json | Substitution | active | 2026-06 | ch | Extension | 1 | ||
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-subjectToMedicalMgmt.json | Subject To Medical Management | trial-use | 2 | fm | 2026-03 | us | Extension | 1 |
| hl7.eu.fhir.pcsp | R4 | StructureDefinition-procedure-fltArm.json | Randomization arm for trial | active | 2023-01 | eu | Extension | 1 | ||
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-gfeServiceLinkingInfo.json | GFEServiceLinkingInfo | trial-use | 2 | fm | 2026-03 | us | Extension | 5 |
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-referralNumber.json | ReferralNumber | trial-use | 2 | fm | 2026-03 | us | Extension | 2 |
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-AssociatedEncounter.json | Extension UK Core Associated Encounter | active | 2024-07 | us | Extension | 1 | ||
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-gfeReference.json | GFE Reference | trial-use | 2 | fm | 2026-03 | us | Extension | 1 |
| hl7.fhir.uv.crmi.r4 | R4 | StructureDefinition-crmi-artifact-signature.json | CRMI Artifact Signature Extension | trial-use | 4 | cds | 2025-08 | uv | Extension | |
| hl7.fhir.fr.core | R4 | StructureDefinition-fr-core-estimated-discharge-date.json | FR Core Encounter Estimated Discharge Date Extension | active | 2026-08 | fr | Extension | 2 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-evidence-variable-handling-detail.json | EvidenceVariableHandlingDetail | trial-use | 1 | cds | 2025-03 | uv | Extension | |
| hl7.fhir.uv.sdc | R4 | StructureDefinition-sdc-questionnaire-optionalDisplay.json | Optional Display? | trial-use | 4 | fhir | 2026-07 | uv | Extension | 1 |
| hl7.fhir.uv.lab-report | R4 | StructureDefinition-observation-certifiedRefMaterialCodeable.json | Certified Reference Material: CodeableConcept | trial-use | 2 | oo | 2025-01 | uv | Extension | 1 |
| hl7.fhir.eu.laboratory | R4 | StructureDefinition-observation-certifiedRefMaterialCodeable.json | Certified Reference Material: CodeableConcept | trial-use | 2 | 2026-05 | eu | Extension | 4 | |
| hl7.fhir.uv.lab-report | R4 | StructureDefinition-observation-certifiedRefMaterialIdentifer.json | Certified Reference Material: Identifier | trial-use | 2 | oo | 2025-01 | uv | Extension | 1 |
| hl7.fhir.eu.laboratory | R4 | StructureDefinition-observation-certifiedRefMaterialIdentifer.json | Certified Reference Material: Identifier | trial-use | 2 | 2026-05 | eu | Extension | 4 | |
| hl7.fhir.uv.lab-report | R4 | StructureDefinition-observation-deviceLabTestKit.json | Device Laboratory Test Kit | trial-use | 2 | oo | 2025-01 | uv | Extension | 1 |
| hl7.fhir.eu.laboratory | R4 | StructureDefinition-observation-deviceLabTestKit.json | Device Laboratory Test Kit | trial-use | 2 | 2026-05 | eu | Extension | 4 | |
| hl7.fhir.uv.fhir-for-fair | R4B | StructureDefinition-copyright.json | Copyright | active | 2024-01 | uv | Extension | 3 | ||
| hl7.fhir.uv.fhir-for-fair | R4B | StructureDefinition-licenceAttachment.json | Licence Terms as Attachment | active | 2024-01 | uv | Extension | 4 | ||
| hl7.fhir.uv.fhir-for-fair | R4B | StructureDefinition-licenceCodeable.json | Licence Terms as CodeableConcept | active | 2024-01 | uv | Extension | 4 | ||
| hl7.fhir.us.bfdr | R4 | StructureDefinition-Extension-jurisdictional-facility-identifier.json | Jurisdictional Facility Identifier | draft | pher | 2025-08 | us | Extension | 1 | |
| hl7.fhir.us.bfdr | R4 | StructureDefinition-practitioner-role-birth-attendant.json | Practitioner Role - Birth Attendant | draft | pher | 2025-08 | us | Extension | 1 | |
| hl7.fhir.us.bfdr | R4 | StructureDefinition-practitioner-role-birth-certifier.json | Practitioner Role - Certifier | draft | pher | 2025-08 | us | Extension | 1 | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-implementationguide-dependency-comment.json | IG Dependency Comment | informative | 4 | fhir | 2015-03 | uv | Extension |
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