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| Package | Version | Identity | Name/Title | Status | FMM | WG | Date | Realm | Auth | DataType | Usage # |
|---|---|---|---|---|---|---|---|---|---|---|---|
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-DeviceReference.json | Extension UK Core Device Reference | active | 2024-07 | us | hl7 | Extension | 2 | ||
| hl7.fhir.uv.tools | R5 | StructureDefinition-additional-resource.json | Additional Resource Flag | informative | 4 | fhir | 2026-07 | uv | hl7 | Extension | |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-ColorPalette-extension.json | Color Palette | trial-use | 2 | claims | 2026-08 | us | hl7 | Extension | 1 |
| nhsdigital.fhir.stu3 | R3 | Extension-DCH-SignificantIndividual-1.json | Extension-DCH-SignificantIndividual-1 | draft | 2018-01 | hl7 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-DCH-ParentalResponsibility-1.json | Extension-DCH-ParentalResponsibility-1 | draft | 2018-01 | hl7 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-DCH-Link-1.json | Extension-DCH-Link-1 | draft | 2018-01 | hl7 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-DCH-ProfessionalContactReason-1.json | Extension-DCH-ProfessionalContactReason-1 | draft | 2018-01 | hl7 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-PDS-SystemEffectivePeriod-1.json | Extension-PDS-SystemEffectivePeriod-1 | draft | 2018-09 | hl7 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-EMS-FailsafeAlertEscalationLevel-1.json | Extension-EMS-FailsafeAlertEscalationLevel-1 | draft | 2017-11 | hl7 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-DCH-HouseholdMember-1.json | Extension-DCH-HouseholdMember-1 | draft | 2019-02 | hl7 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-EMS-FailsafeAlertSeverityLevel-1.json | Extension-EMS-FailsafeAlertSeverityLevel-1 | draft | 2017-11 | hl7 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-EMS-MessageEventType-1.json | Extension-EMS-MessageEventType-1 | draft | 2017-11 | hl7 | Extension | 1 | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-codesystem-otherName.json | CodeSystem Other Name | deprecated | 3 | vocab | 2020-12 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-capabilitystatement-declared-profile.json | CapabilityStatement Declared Profile | deprecated | 2 | fhir | 2022-08 | uv | hl7 | Extension | |
| ca.on.oh.erec | R4 | ext-primary-type.json | IsPrimary | draft | ca | national | Extension | 1 | |||
| hl7.fhir.us.davinci-ra | R4 | StructureDefinition-ra-groupReference.json | Group Reference Extension | trial-use | 2 | cqi | 2026-04 | us | hl7 | Extension | 2 |
| hl7.fhir.essilux.core | R4 | ELCoreExtensionBalance.json | EL Core Extension Lens Balance | active | 2023-05 | essilux | hl7 | Extension | 1 | ||
| hl7.fhir.essilux.core | R4 | ELCoreExtensionLenscleaner.json | EL Core Extension Lens Cleaner | active | 2023-05 | essilux | hl7 | Extension | 1 | ||
| hl7.fhir.essilux.core | R4 | ELCoreExtensionSpeciality.json | EL Core Extension Len Speciality | active | 2023-05 | essilux | hl7 | Extension | 1 | ||
| hl7.fhir.essilux.core | R4 | ELCoreExtensionDisinfectionSolution.json | EL Core Extension Lens Disinfection Solution | active | 2023-05 | essilux | hl7 | Extension | 1 | ||
| hl7.fhir.essilux.core | R4 | ELCoreExtensionLensType.json | EL Core Extension Lens Type | active | 2023-05 | essilux | hl7 | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-medication-manufacturer.json | Medication Manufacturer | trial-use | 1 | phx | 2025-07 | uv | hl7 | Extension | |
| hl7.fhir.ca.baseline | R4 | structuredefinition-ext-deceased.json | Extension: Individual is deceased flag or date | draft | 2024-08 | ca | hl7 | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-valueset-select-by-map.json | Select By Map | trial-use | 1 | vocab | 2026-07 | uv | hl7 | Extension | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-select-by-map.json | Select By Map | deprecated | 1 | fhir | 2026-07 | uv | hl7 | Extension | |
| hl7.fhir.us.carin-rtpbc | R4 | StructureDefinition-rtpbc-isAlternative.json | RTPBC isAlternative Extension | trial-use | 1 | phx | 2020-05 | us | hl7 | 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 | hl7 | Extension | 2 |
| hl7.fhir.be.medication | R4 | StructureDefinition-BeExtMedicationLineRegistrationStatus.json | BeExtMedicationLineRegistrationStatus | active | 2026-07 | be | hl7 | Extension | 1 | ||
| hl7.fhir.us.core | R4 | StructureDefinition-us-core-authentication-time.json | US Core Authentication Time Extension | deprecated | 2 | cgp | 2024-10 | us | hl7 | 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 | hl7 | Extension | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-NominatedPharmacy-1.json | Extension-CareConnect-GPC-NominatedPharmacy-1 | active | 2017-11 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-NominatedPharmacy-1.json | Extension-CareConnect-NominatedPharmacy-1 | draft | 2018-11 | hl7 | Extension | 6 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-DeathNotificationStatus-1.json | Extension-CareConnect-GPC-DeathNotificationStatus-1 | active | 2018-02 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-DeathNotificationStatus-1.json | Extension-CareConnect-DeathNotificationStatus-1 | draft | 2018-11 | hl7 | Extension | 6 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-MainLocation-1.json | Extension-CareConnect-GPC-MainLocation-1 | active | 2017-07 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-MainLocation-1.json | Extension-CareConnect-MainLocation-1 | draft | 2018-11 | hl7 | Extension | 4 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-NHSNumberVerificationStatus-1.json | Extension-CareConnect-GPC-NHSNumberVerificationStatus-1 | active | 2017-06 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-NHSNumberVerificationStatus-1.json | Extension-CareConnect-NHSNumberVerificationStatus-1 | draft | 2018-11 | hl7 | Extension | 6 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-RegistrationDetails-1.json | Extension-CareConnect-GPC-RegistrationDetails-1 | active | 2017-06 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-RegistrationDetails-1.json | Extension-CareConnect-RegistrationDetails-1 | draft | 2017-06 | hl7 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-GPConnect-CareSettingType-1.json | Extension-GPConnect-CareSettingType-1 | draft | 2018-01 | hl7 | Extension | ||||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-EthnicCategory-1.json | Extension-CareConnect-GPC-EthnicCategory-1 | active | 2017-06 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-EthnicCategory-1.json | Extension-CareConnect-EthnicCategory-1 | draft | 2018-11 | hl7 | Extension | 6 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-DCH-ReferralRequestMethod-1.json | Extension-DCH-ReferralRequestMethod-1 | draft | 2018-01 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-ReferralRequestMethod-1.json | Extension-CareConnect-ReferralRequestMethod-1 | draft | 2019-07 | hl7 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-ReligiousAffiliation-1.json | Extension-CareConnect-GPC-ReligiousAffiliation-1 | active | 2017-06 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-ReligiousAffiliation-1.json | Extension-CareConnect-ReligiousAffiliation-1 | draft | 2018-11 | hl7 | Extension | 6 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-ResidentialStatus-1.json | Extension-CareConnect-GPC-ResidentialStatus-1 | active | 2017-06 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-ResidentialStatus-1.json | Extension-CareConnect-ResidentialStatus-1 | draft | 2018-11 | hl7 | Extension | 6 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-DCH-SourceOfReferral-1.json | Extension-DCH-SourceOfReferral-1 | draft | 2018-01 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-SourceOfReferral-1.json | Extension-CareConnect-SourceOfReferral-1 | draft | 2019-08 | hl7 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-TreatmentCategory-1.json | Extension-CareConnect-GPC-TreatmentCategory-1 | active | 2017-06 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-TreatmentCategory-1.json | Extension-CareConnect-TreatmentCategory-1 | draft | 2018-11 | hl7 | Extension | 6 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-NHSCommunication-1.json | Extension-CareConnect-GPC-NHSCommunication-1 | active | 2017-06 | hl7 | Extension | 2 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-EOL-NHSCommunication-1.json | Extension-EOL-NHSCommunication-1 | draft | 2018-08 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-NHSCommunication-1.json | Extension-CareConnect-NHSCommunication-1 | draft | 2018-11 | hl7 | Extension | 8 | |||
| hl7.fhir.au.base | R4 | StructureDefinition-no-fixed-address.json | No Fixed Address | deprecated | 2 | 2026-07 | au | hl7 | Extension | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-diagnosticReport-locationPerformed.json | DiagnosticReport Location Performed | deprecated | 3 | oo | 2015-02 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-observation-focusCode.json | Observation Focal Subject Code | deprecated | 3 | oo | 2015-03 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-entered-in-error-status.json | Entered In Error Status | trial-use | 4 | fhir | 2026-07 | uv | hl7 | Extension | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-entered-in-error-status.json | Entered In Error Status | trial-use | 4 | fhir | 2026-07 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-web-source.json | Web Source | trial-use | 4 | fhir | 2026-07 | uv | hl7 | Extension | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-web-source.json | Web Source | deprecated | 4 | fhir | 2026-07 | uv | hl7 | Extension | |
| hl7.eu.fhir.idea4rc | R4 | StructureDefinition-same-hospital.json | Same Hospital | draft | 2026-08 | eu | hl7 | Extension | 6 | ||
| csiro.fhir.au.smartforms | R4 | StructureDefinition-ContainedResourceReference.json | Contained Resource Reference | draft | 2026-08 | au | Extension | ||||
| niceprofiling.v23q1 | R3 | NICE-EncryptedData.json | NICE-EncryptedData | active | Extension | ||||||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-location-distance.json | Bundle Location Distance | trial-use | 3 | fhir | 2015-03 | uv | hl7 | Extension | |
| fhir.onc.us-quality-core | R4 | StructureDefinition-uscdiplusquality.json | US Quality Core USCDI+ Quality Extension | active | 2026-06 | us | hl7 | Extension | |||
| logex.internal.fhir.profiles | R3 | MyExtension.StructureDefinition.json | BitbucketLink | draft | 2023-03 | Extension | |||||
| hl7.eu.fhir.idea4rc | R4 | StructureDefinition-same-custodian-flag.json | Same custodian flag | draft | 2026-08 | eu | hl7 | Extension | 1 | ||
| hl7.fhir.us.cimilabs | R4 | StructureDefinition-lab-document.json | Lab Document extension | draft | 2023-08 | us | hl7 | Extension | 1 | ||
| signal.core.r4 | R4 | StructureDefinition-extension-SignalServiceRequestProvider.json | SignalServiceRequestProvider | draft | us | hl7 | Extension | ||||
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-gfeBillingProviderLineItemCtrlNum.json | GFEBillingProviderLineItemCtrlNum | trial-use | 2 | fm | 2026-03 | us | hl7 | Extension | 2 |
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-providerEventMethodology.json | ProviderEventMethodology | trial-use | 2 | fm | 2026-03 | us | hl7 | Extension | 2 |
| hl7.fhir.uv.tools | R5 | StructureDefinition-logical-container.json | Logical Container | informative | 2 | fhir | 2026-07 | uv | hl7 | Extension | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-logical-target.json | Logical Target | informative | 2 | fhir | 2026-07 | uv | hl7 | Extension | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-no-binding.json | No Binding Extension | informative | 4 | fhir | 2026-07 | uv | hl7 | 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 | hl7 | Extension | |
| nictiz.fhir.nl.r4.medicationprocess9 | R4 | ext-ResourceCategory.json | ext ResourceCategory | active | nl | Extension | 1 | ||||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-ListWarningCode-1.json | Extension-CareConnect-GPC-ListWarningCode-1 | draft | 2019-06 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-ListWarningCode-1.json | Extension-CareConnect-ListWarningCode-1 | draft | 2019-06 | hl7 | Extension | 7 | |||
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-serviceDescription.json | Service Description | trial-use | 2 | fm | 2026-03 | us | hl7 | Extension | 5 |
| ca.on.oh.erec | R4 | ReasonForNoHCN.json | ReasonForNoHCN | draft | ca | national | Extension | 2 | |||
| ca.on.oh-seris | R4 | ReasonForNoHCN.json | ReasonForNoHCN | draft | Extension | ||||||
| care.commonprofiles.fhir | R4 | StructureDefinition-common-hsaHierarchy.json | HSA Hierarchy | active | 2023-06 | se | Extension | 1 | |||
| niceprofiling.v23q1 | R3 | NICE-PatientEncryption.json | NICE-Encryption | active | Extension | ||||||
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-processNoteClass.json | ProcessNote Class | trial-use | 2 | fm | 2026-03 | us | hl7 | Extension | 2 |
| hl7.eu.fhir.idea4rc | R4 | StructureDefinition-condition-relapseType.json | Relapse Type | draft | 2026-08 | eu | hl7 | Extension | 2 | ||
| hl7.eu.fhir.pcsp | R4 | StructureDefinition-condition-relapseType.json | Relapse Type | active | 2023-01 | eu | hl7 | Extension | 2 | ||
| hl7.eu.fhir.pcsp | R4 | StructureDefinition-annotation-type.json | Annotation Type | active | 2023-01 | eu | hl7 | Extension | 1 | ||
| hl7.fhir.uv.crmi | R4 | StructureDefinition-crmi-license.json | CRMI License Extension | trial-use | 1 | cds | 2026-07 | uv | hl7 | Extension | |
| hl7.fhir.us.pacio-cs | R4 | StructureDefinition-event-location.json | ObservationEventLocation | active | 2024-11 | us | hl7 | Extension | 3 | ||
| hl7.fhir.us.pacio-fs | R4 | StructureDefinition-event-location.json | ObservationEventLocation | active | 2021-11 | us | hl7 | Extension | 3 | ||
| hl7.fhir.us.pacio-pfe | R4 | StructureDefinition-event-location.json | ObservationEventLocation | trial-use | 3 | pc | 2026-08 | us | hl7 | Extension | 4 |
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-providerTaxonomy.json | ProviderTaxonomy | trial-use | 2 | fm | 2026-03 | us | hl7 | Extension | 2 |
| ch.fhir.ig.ch-core | R4 | StructureDefinition-ch-emed-ext-substitution.json | Substitution | active | 2026-06 | ch | hl7 | Extension | 1 | ||
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-subjectToMedicalMgmt.json | Subject To Medical Management | trial-use | 2 | fm | 2026-03 | us | hl7 | Extension | 1 |
| hl7.eu.fhir.pcsp | R4 | StructureDefinition-procedure-fltArm.json | Randomization arm for trial | active | 2023-01 | eu | hl7 | Extension | 1 | ||
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-gfeServiceLinkingInfo.json | GFEServiceLinkingInfo | trial-use | 2 | fm | 2026-03 | us | hl7 | Extension | 5 |
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-referralNumber.json | ReferralNumber | trial-use | 2 | fm | 2026-03 | us | hl7 | Extension | 2 |
| laniado.test.fhir.r4 | R4 | StructureDefinition-ext-associated-encounter.json | Extension: Associated Encounter | draft | Extension | 1 | |||||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-AssociatedEncounter.json | Extension UK Core Associated Encounter | active | 2024-07 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-gfeReference.json | GFE Reference | trial-use | 2 | fm | 2026-03 | us | hl7 | Extension | 1 |
| hl7.fhir.uv.crmi.r4 | R4 | StructureDefinition-crmi-artifact-signature.json | CRMI Artifact Signature Extension | trial-use | 4 | cds | 2025-08 | uv | hl7 | Extension | |
| hl7.fhir.fr.core | R4 | StructureDefinition-fr-core-estimated-discharge-date.json | FR Core Encounter Estimated Discharge Date Extension | active | 2026-08 | fr | hl7 | Extension | 2 | ||
| hl7-france-fhir.administrative-2022 | R4 | fr-estimated-discharge-date-R4.structuredefinition.json | FrEncounterEstimatedDischargeDate | active | 2019-07 | Extension | 1 | ||||
| csiro.fhir.au.smartforms | R4 | StructureDefinition-TemplateExtractExtensionPatchRequestUrl.json | Template Extract Extension Patch Request URL | draft | 2026-08 | au | Extension | ||||
| de.gematik.epa.medication | R4 | StructureDefinition-rx-prescription-process-identifier-extension.json | RxPrescriptionProcessIdentifierExtension | active | 2025-05 | de | Extension | 5 | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-evidence-variable-handling-detail.json | EvidenceVariableHandlingDetail | trial-use | 1 | cds | 2025-03 | uv | hl7 | Extension | |
| hl7.fhir.uv.sdc | R4 | StructureDefinition-sdc-questionnaire-optionalDisplay.json | Optional Display? | trial-use | 4 | fhir | 2026-07 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.lab-report | R4 | StructureDefinition-observation-certifiedRefMaterialCodeable.json | Certified Reference Material: CodeableConcept | trial-use | 2 | oo | 2025-01 | uv | hl7 | Extension | 1 |
| hl7.fhir.eu.laboratory | R4 | StructureDefinition-observation-certifiedRefMaterialCodeable.json | Certified Reference Material: CodeableConcept | trial-use | 2 | 2026-05 | eu | hl7 | Extension | 4 | |
| hl7.fhir.uv.lab-report | R4 | StructureDefinition-observation-certifiedRefMaterialIdentifer.json | Certified Reference Material: Identifier | trial-use | 2 | oo | 2025-01 | uv | hl7 | Extension | 1 |
| hl7.fhir.eu.laboratory | R4 | StructureDefinition-observation-certifiedRefMaterialIdentifer.json | Certified Reference Material: Identifier | trial-use | 2 | 2026-05 | eu | hl7 | Extension | 4 | |
| hl7.fhir.uv.lab-report | R4 | StructureDefinition-observation-deviceLabTestKit.json | Device Laboratory Test Kit | trial-use | 2 | oo | 2025-01 | uv | hl7 | Extension | 1 |
| hl7.fhir.eu.laboratory | R4 | StructureDefinition-observation-deviceLabTestKit.json | Device Laboratory Test Kit | trial-use | 2 | 2026-05 | eu | hl7 | Extension | 4 | |
| logex.internal.fhir.profiles | R3 | ChainedConversionScripts.StructureDefinition.json | ChainedConversionScripts | draft | 2023-04 | Extension | |||||
| hl7.fhir.uv.fhir-for-fair | R4B | StructureDefinition-copyright.json | Copyright | active | 2024-01 | uv | hl7 | Extension | 3 | ||
| hl7.fhir.uv.fhir-for-fair | R4B | StructureDefinition-licenceAttachment.json | Licence Terms as Attachment | active | 2024-01 | uv | hl7 | Extension | 4 | ||
| hl7.fhir.uv.fhir-for-fair | R4B | StructureDefinition-licenceCodeable.json | Licence Terms as CodeableConcept | active | 2024-01 | uv | hl7 | Extension | 4 | ||
| de.medizininformatikinitiative.kerndatensatz.meta | R4 | StructureDefinition-mii-ex-meta-license-codeable.json | MII EX Meta License Codeable | active | 2024-10 | Extension | |||||
| ndhm.in | R4 | StructureDefinition-Claim-Condition.json | ClaimCondition | draft | 2025-03 | in | national | Extension | 1 | ||
| hl7.fhir.us.bfdr | R4 | StructureDefinition-Extension-jurisdictional-facility-identifier.json | Jurisdictional Facility Identifier | draft | pher | 2025-08 | us | hl7 | Extension | 1 | |
| hl7.fhir.us.bfdr | R4 | StructureDefinition-practitioner-role-birth-attendant.json | Practitioner Role - Birth Attendant | draft | pher | 2025-08 | us | hl7 | Extension | 1 | |
| hl7.fhir.us.bfdr | R4 | StructureDefinition-practitioner-role-birth-certifier.json | Practitioner Role - Certifier | draft | pher | 2025-08 | us | hl7 | Extension | 1 | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-implementationguide-dependency-comment.json | IG Dependency Comment | informative | 4 | fhir | 2015-03 | uv | hl7 | Extension | |
| nictiz.fhir.nl.r4.zib2020 | R4 | ext-Comment.json | ext Comment | draft | nl | hl7 | Extension | 9 | |||
| nictiz.fhir.nl.r4.zib2020 | R4 | ext-NursingInterventionReference.json | ext NursingInterventionReference | draft | nl | hl7 | Extension | ||||
| nictiz.fhir.nl.r4.zib2020 | R4 | ext-StomaReference.json | ext StomaReference | draft | nl | hl7 | Extension | ||||
| fhir.r4.wales.test | R4 | Extension-DataStandardsWales-DocumentErrorAction.json | Extension Data Standards Wales Document Error Action | draft | 2025-09 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.lab-report | R4 | StructureDefinition-composition-basedOn-order-or-requisition.json | Document Based On Order | trial-use | 2 | oo | 2025-01 | uv | hl7 | Extension | 1 |
| hl7.fhir.cz.core | R4 | StructureDefinition-permanent-residencer-address-cz.json | Address permanent residence | trial-use | 2 | 2026-08 | cz | hl7 | Extension | 1 | |
| hl7.fhir.eu.extensions | R5 | StructureDefinition-composition-basedOn-order-or-requisition.json | Composition: Based On Order | trial-use | 2 | 2026-03 | eu | hl7 | Extension | 5 | |
| hl7.eu.fhir.idea4rc | R4 | StructureDefinition-condition-histology-morphology-behavior.json | Histology Morphology Behavior | draft | 2026-08 | eu | hl7 | Extension | 2 | ||
| hl7.eu.fhir.idea4rc | R4 | StructureDefinition-condition-previousStatus.json | Previous Status | draft | 2026-08 | eu | hl7 | Extension | 2 | ||
| hl7.eu.fhir.pcsp | R4 | StructureDefinition-condition-previousStatus.json | Previous Status | active | 2023-01 | eu | hl7 | Extension | 2 | ||
| hl7.eu.fhir.pcsp | R4 | StructureDefinition-event-location.json | Act Location | active | 2023-01 | eu | hl7 | Extension | 1 | ||
| hl7.eu.fhir.pcsp | R4 | StructureDefinition-resource-relatedInfo.json | Resource related information | active | 2023-01 | eu | hl7 | Extension | 3 | ||
| hl7.fhir.us.davinci-pct | R4 | StructureDefinition-inNetworkProviderOptionsLink.json | In Network Provider Options Link | trial-use | 2 | fm | 2026-03 | us | hl7 | Extension | 2 |
| hl7.fhir.uv.lab-report | R4 | StructureDefinition-composition-diagnosticReportReference.json | Document DiagnosticReport Reference | trial-use | 2 | oo | 2025-01 | uv | hl7 | Extension | 1 |
| hl7.fhir.us.cancer-reporting | R4 | StructureDefinition-composition-diagnosticReportReference.json | Document DiagnosticReport Reference | trial-use | 2 | oo | 2025-10 | us | hl7 | Extension | 1 |
| lt.hl7.fhir.eu | R5 | StructureDefinition-composition-diagnosticReportReference.json | Extension: Document DiagnosticReport Reference (Eu Lab) | draft | 2026-07 | Extension | 2 | ||||
| lt.hl7.fhir.eu | R5 | StructureDefinition-im-composition-diagnosticReportReference.json | IM Document DiagnosticReport Reference | draft | 2 | 2025-05 | Extension | 2 | |||
| hl7.fhir.cz.img | R4 | StructureDefinition-im-composition-diagnosticReportReference.json | Document DiagnosticReport Reference | draft | 2026-08 | cz | hl7 | Extension | |||
| hl7.fhir.eu.extensions | R5 | StructureDefinition-composition-diagnosticReportReference.json | Document DiagnosticReport Reference | trial-use | 2 | 2026-03 | eu | hl7 | Extension | 3 | |
| nictiz.fhir.nl.r4.medicationprocess9 | R4 | ext-PharmaceuticalTreatment.Identifier.json | ext PharmaceuticalTreatment.Identifier | active | nl | Extension | 7 | ||||
| nictiz.fhir.nl.r4.cio | R4 | ext-MedicationHypersensitivity.Identifier.json | ext MedicationHypersensitivity.Identifier | draft | nl | Extension | 5 | ||||
| nictiz.fhir.nl.r4.nl-core | R4 | ext-CopyIndicator.json | ext CopyIndicator | draft | nl | Extension | 3 | ||||
| hl7.fhir.essilux.core | R4 | ELCoreExtensionPupillarydistance.json | EL Core Extension Pupillary Distance | active | 2023-05 | essilux | hl7 | Extension | 1 | ||
| hl7.fhir.uv.crmi | R4 | StructureDefinition-crmi-licenseDetail.json | CRMI License Detail Extension | trial-use | 1 | cds | 2026-07 | uv | hl7 | Extension | |
| hl7.fhir.uv.crmi.r4 | R4 | StructureDefinition-crmi-license-detail.json | CRMI License Detail Extension | trial-use | 4 | cds | 2025-08 | uv | hl7 | Extension | |
| hl7.fhir.essilux.core | R4 | ELCoreExtensionNote.json | EL Core Extension Note | active | 2023-05 | essilux | hl7 | Extension | 1 | ||
| hl7.fhir.essilux.core | R4 | ELCoreExtensionReccomandation.json | EL Core Extension Recommendation | active | 2023-05 | essilux | hl7 | Extension | 1 | ||
| ca.ab.fhir.psab | R4 | StructureDefinition-individual-recordedSexOrGenderAB.json | Person Recorded Sex Or Gender AB Profile | retired | 2022-01 | ca | hl7 | Extension | |||
| hl7.fhir.us.healthedata1-sandbox | R4 | StructureDefinition-us-core-accommodation.json | US Core Accommodation Extension | active | 2 | 2026-05 | us | hl7 | Extension | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-elementdefinition-conceptmap.json | Conceptmap | trial-use | 2 | fhir | 2015-02 | uv | hl7 | Extension | |
| hl7.fhir.us.ecr.r4b | R4B | StructureDefinition-us-ph-information-recipient-extension.json | US Public Health Information Recipient Extension | active | pher | 2024-10 | us | hl7 | Extension | 1 | |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-service-offered.json | Service Offered for a Group | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ecr.r4b | R4B | StructureDefinition-us-ph-alternative-expression-extension.json | US Public Health Alternative Expression Extension | active | pher | 2024-10 | us | hl7 | Extension | ||
| hl7.fhir.us.core | R4 | StructureDefinition-us-core-genderIdentity.json | US Core Gender Identity Extension | deprecated | 3 | cgp | 2025-04 | us | hl7 | Extension | |
| ch.fhir.ig.ch-epreg | R4 | StructureDefinition-ch-epreg-ext-examination-sequence.json | CH EPREG Extension: Examination Sequence | active | 2025-12 | ch | hl7 | Extension | 1 | ||
| ndhm.in | R4 | StructureDefinition-BrandName.json | BrandName | draft | 2025-03 | in | national | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-practitioner-animalSpecies.json | Practitioner Animal Species | trial-use | 3 | pa | 2021-01 | uv | hl7 | Extension | |
| fhir.r4.wales.test | R4 | Extension-DataStandardsWales-DocumentAttribute.json | Extension Data Standards Wales Document Attribute | draft | 2025-08 | us | hl7 | Extension | 1 | ||
| fhir.r4.wales.test | R4 | Extension-DataStandardsWales-AdministeredProduct.json | Extension Data Standards Wales Administered Product | draft | 2025-04 | us | hl7 | Extension | 1 | ||
| fhir.r4.wales.test | R4 | Extension-DataStandardsWales-DocumentDigitalStatus.json | Extension Data Standards Wales Document Digital Status | draft | 2025-08 | us | hl7 | Extension | 1 | ||
| fhir.r4.wales.test | R4 | Extension-DataStandardsWales-SourceSystem.json | Extension Data Standards Wales Source System | draft | 2025-09 | us | hl7 | Extension | 1 | ||
| hl7-france-fhir.administrative-2022 | R4 | fr-availabilty-time-R4.StructureDefinition.json | FrScheduleAvailabiltyTime | active | 2022-03 | Extension | 1 | ||||
| hl7.fhir.uv.tools | R5 | StructureDefinition-implementationguide-resource-logical.json | Binary Resource Logical | informative | 4 | fhir | 2015-03 | uv | hl7 | Extension | |
| tiplu.maia.schnittstellendefinition | R4 | StructureDefinition-MaiaRiskAssessmentDefinitionFurtherLiteratureExtension.json | MaiaRiskAssessmentDefinition Further Literature Extension | active | 2025-04 | Extension | 1 | ||||
| ndhm.in | R4 | StructureDefinition-Claim-Exclusion.json | ClaimExclusion | draft | 2025-03 | in | national | Extension | 1 | ||
| hl7.fhir.uv.tools | R5 | StructureDefinition-implementationguide-resource-format.json | Binary Resource Format | informative | 4 | fhir | 2015-03 | uv | hl7 | Extension | |
| hl7.fhir.us.carin-rtpbc | R4 | StructureDefinition-rtpbc-preferredPharmacyPostalCode.json | RTPBC Preferred Pharmacy Postal Code Extension | trial-use | 1 | phx | 2026-03 | us | hl7 | Extension | 1 |
| tiplu.maia.schnittstellendefinition | R4 | StructureDefinition-MaiaRiskAssessmentDefinitionVersionExtension.json | MaiaRiskAssessmentDefinition Version Extension | active | 2025-04 | Extension | 1 | ||||
| gov.cdc.nhsn.dqm | R4 | StructureDefinition-link-original-mapped-concept-extension.json | Original Mapped Concept | trial-use | 1 | 2023-04 | us | Extension | |||
| rambam-fhir.health.gov.il | R4 | StructureDefinition-ext-resource-last-updated.json | Extension: Resource Last Updated | draft | Extension | ||||||
| gov.cdc.nhsn.dqm | R4 | StructureDefinition-link-received-date-extension.json | Received Date | trial-use | 1 | 2023-05 | us | Extension | 32 | ||
| gov.cdc.nhsn.dqm | R4 | StructureDefinition-link-original-element-value-extension.json | Original Element Value | trial-use | 1 | 2023-04 | us | Extension | |||
| gov.cdc.nhsn.dqm | R4 | StructureDefinition-link-original-resource-id-extension.json | Original Resource ID | trial-use | 1 | 2023-04 | us | Extension | |||
| ca.on.mha.pds | R4 | StructureDefinition.ca-on-mha-ext-DataAbsentReason.json | MHAPatientDataAbsentReason | active | Extension | 1 | |||||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-ObservationTriggeredBy.json | Extension UK Core Observation Triggered By | retired | 2026-02 | us | hl7 | Extension | 10 | ||
| hl7.fhir.uv.order-catalog | R5 | StructureDefinition-ServiceBillingCode.json | Healthcare Service Billing Code | trial-use | 2 | oo | 2026-06 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.order-catalog | R5 | StructureDefinition-ResultInterpretationSummary.json | Summary of result interpretation guidance of the laboratory service | trial-use | 2 | oo | 2026-06 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.order-catalog | R5 | StructureDefinition-BillingSummary.json | Billing summary for the plan definition | trial-use | 2 | oo | 2026-06 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.order-catalog | R5 | StructureDefinition-ScheduleSummary.json | Schedule summary for the plan definition | trial-use | 2 | oo | 2026-06 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.order-catalog | R5 | StructureDefinition-LimitationSummary.json | Limitation summary for the plan definition | trial-use | 2 | oo | 2026-06 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.order-catalog | R5 | StructureDefinition-RegulatorySummary.json | Summary of regulations applicable to the laboratory service | trial-use | 2 | oo | 2026-06 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.order-catalog | R5 | StructureDefinition-CatalogReference.json | Reference to a catalog | trial-use | 2 | oo | 2022-03 | uv | hl7 | Extension | 3 |
| hl7.fhir.uv.sdc | R4 | StructureDefinition-sdc-questionnaire-assembledFrom.json | Assembled From Questionnaire | trial-use | 4 | fhir | 2026-07 | uv | hl7 | Extension | 2 |
| hl7.fhir.uv.sdc | R4 | StructureDefinition-sdc-questionnaire-assembleContext.json | Assemble Context | trial-use | 4 | fhir | 2026-07 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-observation-nature-of-abnormal-test.json | Observation Nature of Abnormal Test | trial-use | 0 | oo | 2023-12 | uv | hl7 | Extension | |
| hl7.fhir.us.codex-radiation-therapy | R4 | StructureDefinition-codexrt-radiotherapy-point-dose.json | Point Dose | trial-use | cgp | 2026-05 | us | hl7 | Extension | 7 | |
| hl7.fhir.us.codex-radiation-therapy | R4 | StructureDefinition-codexrt-radiotherapy-primary-plan-dose.json | Primary Plan Dose | trial-use | cgp | 2026-05 | us | hl7 | Extension | 7 | |
| hl7.fhir.us.codex-radiation-therapy | R4 | StructureDefinition-codexrt-radiotherapy-uniform-fractionation.json | Uniform Fractionation | trial-use | cgp | 2026-05 | us | hl7 | Extension | 1 | |
| hl7.fhir.us.codex-radiation-therapy | R4 | StructureDefinition-codexrt-radiotherapy-course-involves-reirradiation.json | Course Involves Reirradiation | trial-use | cgp | 2026-05 | us | hl7 | Extension | 3 | |
| hl7-france-fhir.administrative-2022 | R4 | FrIdentityMethodProduction.json | FrPatientIdentityMethodCollection | draft | 2020-07 | Extension | 1 | ||||
| hl7.fhir.be.infsec | R4 | StructureDefinition-be-ext-key-pseudonymization.json | Key Pseudonymization Extension | active | 2026-06 | be | hl7 | Extension | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-questionnaire-baseType.json | Questionnaire Base Type | trial-use | 3 | fhir | 2013-07 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-replaces.json | Replaces | trial-use | 3 | fhir | 2013-12 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-referencesContained.json | References Contained | trial-use | 2 | fhir | 2013-12 | uv | hl7 | Extension |
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