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| Package | Version | Identity | Name/Title | Status | FMM | WG | Date | Realm | Auth | DataType | Usage # |
|---|---|---|---|---|---|---|---|---|---|---|---|
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-trustFramework.json | NDH Trust Framework | trial-use | 4 | pa | 2026-03 | us | hl7 | Extension | 1 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-valueset-trusted-expansion.json | Valueset Trusted Expansion | deprecated | 3 | vocab | 2020-12 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-operationoutcome-instance-id.json | OperationOutcome Instance ID | draft | 2 | fhir | 2014-01 | uv | hl7 | Extension | |
| hl7.fhir.us.breastcancer | R3 | StructureDefinition-cimi-element-Identifier-extension.json | BC Identifier Extension | draft | 2018-08 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-questionnaire-unitOption.json | QuestionnaireResponse Unit Option | trial-use | 3 | fhir | 2013-07 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-elementSource.json | Element Source | trial-use | 1 | fhir | 2025-07 | uv | hl7 | Extension | |
| hl7.fhir.us.medmorph | R4 | StructureDefinition-us-ph-async-indicator.json | US Public Health Async Indicator Extension | draft | 2022-03 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.cqm | R4 | StructureDefinition-cqm-valueSet.json | CQM Value Set | trial-use | 4 | cqi | 2026-04 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-observation-geneticsCopyNumberEvent.json | Copy Number Event | deprecated | 1 | oo | 2016-03 | uv | hl7 | Extension | |
| hl7.fhir.ca.baseline | R4 | StructureDefinition-ext-identifierversion.json | Extension: Identifier Version | draft | 2024-08 | ca | hl7 | Extension | 10 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-valueset-warning.json | ValueSet Warning | trial-use | 3 | vocab | 2020-12 | uv | hl7 | Extension | |
| fhir.ca-bc.provider | R4 | StructureDefinition-bc-organization-primary-care-clinic-extension.json | Extension for BC Organization to add Primary Care Clinic details | active | 2025-02 | us | hl7 | Extension | 1 | ||
| fhir.ca-bc.provider | R4 | StructureDefinition-bc-facility-health-service-area-extension.json | BC Facility Health Service Area Extension | active | 2025-02 | us | hl7 | Extension | 1 | ||
| eng.fhir.profile.dev | R4 | extension-timing-specificTimeOfTheDay-dayAndTime.json | extension-timing-specificTimeOfTheDay-dayAndTime | draft | 2023-06 | hl7 | Extension | 1 | |||
| rlfhir.lab | R4 | Extension_RL_Patient_ATSResidenza.json | RLPatientATSResidenza | active | Extension | 1 | |||||
| de.gematik.epa.medication | R4 | StructureDefinition-narcotics-extension.json | NarcoticsExtension | active | 2025-12 | de | Extension | 1 | |||
| de.gematik.epa.medication | R4 | StructureDefinition-teratogenic-extension.json | TeratogenicExtension | active | 2025-12 | de | Extension | 1 | |||
| de.gematik.sterbefall | R4 | StructureDefinition-StfGemeindekennzahlExtension.json | STF Gemeindekennzahl Extension | active | 2025-12 | de | Extension | 1 | |||
| odilab.evo | R4 | StructureDefinition-Unfallinformation.json | Unfallinformation | draft | Extension | 1 | |||||
| basisprofil.tiplu.de.r4 | R4 | StructureDefinition-TipluAbgerechnet.json | TipluAbgerechnet | active | 2025-05 | Extension | |||||
| de.medizininformatikinitiative.kerndatensatz.mtb | R4 | StructureDefinition-mii-ex-mtb-antwort-kostenuebernahme-ablehnungsgrund.json | MII EX MTB Antwort Kostenuebernahme Ablehnungsgrund | active | de | Extension | 1 | ||||
| elga.moped | R5 | StructureDefinition-moped-ext-AbrechnungsartAuslaenderverrechnung.json | Abrechnungsart Ausländerverrechnung | draft | 2026-03 | Extension | 1 | ||||
| basisprofil.tiplu.de.r4.dev | R4 | StructureDefinition-TipluAbrechnungsstatus.json | TipluAbrechnungsstatus | active | 2025-05 | Extension | 1 | ||||
| hl7.fhir.uv.vhdir | R4 | StructureDefinition-accessibility.json | VhDir Accessibility | trial-use | 2 | pa | 2017-11 | uv | hl7 | Extension | 2 |
| hl7.fhir.us.breastcancer | R3 | StructureDefinition-cimi-entity-SpokenLanguageProficiency-extension.json | BC SpokenLanguageProficiency Extension | draft | 2018-08 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.breastcancer | R3 | StructureDefinition-cimi-entity-WrittenLanguageProficiency-extension.json | BC WrittenLanguageProficiency Extension | draft | 2018-08 | us | hl7 | Extension | 1 | ||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-actionguidance-for.json | Ehealth action guidance for | active | 2026-03 | dk | Extension | 1 | |||
| ihe.rad.idr | R5 | StructureDefinition-idrImpressionActionable.json | Actionable indication in Impression. | draft | 2024-06 | uv | ihe | Extension | 1 | ||
| hl7.fhir.us.lower-extremity-skin-wound-assessment | R4 | StructureDefinition-PressureUlcerAssociationExt.json | PressureUlcerAssociation | draft | 2019-06 | us | hl7 | Extension | 1 | ||
| hl7-france-fhir.administrative-2022 | R4 | fr-organization-activity-field-R4.StructureDefinition.json | FrOrganizationActivityField | active | 2019-07 | Extension | 1 | ||||
| hl7.fhir.nl.gf | R4 | StructureDefinition-supported-activity-definitions.json | Supported ActivityDefinitions and PlanDefinitions by HealthcareServices | active | 2026-04 | nl | hl7 | Extension | 1 | ||
| fhir.nl.gf | R4 | StructureDefinition-supported-activity-definitions.json | Supported ActivityDefinitions and PlanDefinitions by HealthcareServices | draft | 2026-04 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.livd | R4 | StructureDefinition-ext-analyte.json | LIVD Test Analyte | trial-use | 2 | oo | 2026-04 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.livd | R4 | StructureDefinition-ext-livd-devicedefinition.json | LIVD DeviceDefinition | trial-use | 2 | oo | 2026-04 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.livd.r4b | R4B | StructureDefinition-ext-device.json | LIVD Device | active | oo | 2023-12 | uv | hl7 | Extension | ||
| hl7.fhir.uv.livd | R4 | StructureDefinition-ext-vendorReferenceIdentifier.json | LIVD Vendor Reference Identifier | trial-use | 2 | oo | 2026-04 | uv | hl7 | Extension | |
| hl7.fhir.us.spl | R5 | StructureDefinition-splDocumentDate.json | SPLDocumentDate | trial-use | 1 | brr | 2025-07 | us | hl7 | Extension | 1 |
| hl7.eu.fhir.gh | R5 | StructureDefinition-RelatedMedicalIssue.json | RelatedMedicalIssue | active | 2026-01 | eu | hl7 | Extension | 1 | ||
| hl7.eu.fhir.gh | R5 | StructureDefinition-HtmlElementLink.json | HtmlElementLink | active | 2026-01 | eu | hl7 | Extension | 1 | ||
| de.gematik.directory | R4 | StructureDefinition-PhysicalFeaturesAdditionalNoteEX.json | Physical Features Additional Note | active | 2024-10 | Extension | 1 | ||||
| fhir.org.nz.ig.base | R4 | StructureDefinition-additional-authorisation.json | AdditionalAuthorisation | active | 2026-03 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-DiagnosticReport-geneticsReferences.json | References | deprecated | 1 | oo | 2015-10 | uv | hl7 | Extension | |
| nictiz.fhir.nl.stu3.geboortezorg | R3 | observation-component-valueBooleanSTU3.json | Backported Observation.component.valueBoolean extension for FHIR STU3 | active | nl | Extension | 1 | ||||
| hl7.fhir.uv.subscriptions-backport | R4B | StructureDefinition-backport-channel-type.json | Backported R5 Additional Channel Types | trial-use | fhir | 2024-06 | uv | hl7 | Extension | 3 | |
| hl7.fhir.us.icsr-ae-reporting | R4 | StructureDefinition-icsr-ext-eventseriousness.json | EventSeriousness | draft | 2023-08 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.vhdir | R4 | StructureDefinition-org-description.json | VhDir Org Description | trial-use | 2 | pa | 2017-08 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-openEHR-careplan.json | AllergyIntolerance Careplan | trial-use | 3 | pc | 2014-10 | uv | hl7 | Extension | |
| hl7.fhir.fi.scheduling | R4 | StructureDefinition-service-additional-information.json | Additional Information on Service | draft | 2025-08 | fi | hl7 | Extension | 1 | ||
| hl7.fhir.us.davinci-drug-formulary | R4 | StructureDefinition-usdf-AdditionalCoverageInformation-extension.json | Additional Coverage Information | trial-use | phx | 2025-02 | us | hl7 | Extension | 1 | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-additionalImplicitRules.json | Additional Implicit Rules | trial-use | 1 | fhir | 2018-08 | uv | hl7 | Extension | |
| hl7.fhir.us.breastcancer | R3 | StructureDefinition-cimi-entity-LanguageQualifier-extension.json | BC LanguageQualifier Extension | draft | 2018-08 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.vhdir | R4 | StructureDefinition-newpatientprofile.json | VhDir New Patient Profile | trial-use | 2 | pa | 2017-11 | uv | hl7 | Extension | 2 |
| elga.moped | R5 | StructureDefinition-MopedSupportingInfo.json | Supporting Info Extension for ClaimResponse | draft | 2026-03 | Extension | 1 | ||||
| elga.moped | R5 | StructureDefinition-MopedSupportingInfoFREMDRE.json | Supporting Info Extension for ClaimResponse - FREMDRE Slice | draft | 2026-03 | Extension | 1 | ||||
| elga.moped | R5 | StructureDefinition-MopedSupportingInfoOEGKELBNR.json | Supporting Info Extension for ClaimResponse - OEGKELBNR Slice | draft | 2026-03 | Extension | 1 | ||||
| elga.moped | R5 | StructureDefinition-MopedSupportingInfoVortageanzahlAufKostenbeitrag.json | Supporting Info Extension for ClaimResponse - Vortageanzahl auf Kostenbeitrag | draft | 2026-03 | Extension | 1 | ||||
| hl7.eu.fhir.gh | R5 | StructureDefinition-VisualizationMethod.json | VisualizationMethod | active | 2026-01 | eu | hl7 | Extension | 1 | ||
| lt.hl7.fhir.lifestyle | R5 | StructureDefinition-other-dietary-changes-ext-lt-lifestyle.json | Other Desired Dietary Changes | draft | 2026-03 | Extension | 1 | ||||
| hl7.fhir.us.home-lab-report | R4 | StructureDefinition-Extension-at-home-in-vitro-test-supporting-info.json | Extension - At-Home In-Vitro Test Supporting Info | active | oo | 2023-01 | us | hl7 | Extension | 1 | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-entryFormat.json | Entry format | trial-use | 3 | fhir | 2014-04 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-terminology-resource-identifier-metadata.json | Terminology Resource Identifier Metadata | trial-use | 2 | vocab | 2022-08 | uv | hl7 | Extension | |
| hl7.fhir.fr.medication | R4 | StructureDefinition-fr-strength-codeableconcept.json | Strength CodeableConcept | draft | 2026-01 | fr | hl7 | Extension | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-note.json | Note | trial-use | 1 | fhir | 2022-01 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-structuredefinition-summary.json | Structure Definition Summary | trial-use | 3 | fhir | 2014-01 | uv | hl7 | Extension | |
| ch.fhir.ig.ch-core | R4 | StructureDefinition-ch-ext-epr-time.json | EPR Time | retired | 2026-03 | ch | hl7 | Extension | 6 | ||
| ans.fhir.fr.eprescription | R4 | StructureDefinition-fr-additional-when-values.json | Additional values for when element | draft | 2026-04 | fr | Extension | 1 | |||
| hl7.fhir.fr.medication | R4 | StructureDefinition-fr-additional-when-values.json | Additional values for when element | draft | 2026-01 | fr | hl7 | Extension | 1 | ||
| hl7.fhir.uv.clinical-study-protocol | R6 | StructureDefinition-m11-research-study.json | M11 Research Study Extension | trial-use | 2 | brr | 2026-04 | uv | hl7 | Extension | 1 |
| hl7.fhir.us.breastcancer | R3 | StructureDefinition-cimi-entity-Additive-extension.json | BC Additive Extension | draft | 2018-08 | us | hl7 | Extension | 2 | ||
| PHCDI | R4 | StructureDefinition-ExtAddress.json | Address (Extension) | draft | 2026-02 | Extension | 1 | ||||
| de.netzwerk-universitaetsmedizin.ebm-cpg | R5 | StructureDefinition-ext-characteristic-dosage.json | Characteristic Dosage | draft | 2025-03 | uv | Extension | 1 | |||
| ltsi.fhir.oncofair | R5 | StructureDefinition-medication-comment.json | Medication comment | active | 2025-11 | Extension | |||||
| ltsi.fhir.oncofair | R5 | StructureDefinition-medication-item-provenance.json | Medication item provenance | active | 2025-11 | Extension | |||||
| ltsi.fhir.oncofair | R5 | StructureDefinition-medication-status.json | Medication status | active | 2025-11 | Extension | |||||
| ltsi.fhir.oncofair | R5 | StructureDefinition-medication-type.json | Medication type | active | 2025-11 | Extension | |||||
| fhir.ca-bc.provider | R4 | StructureDefinition-bc-birthtime-extension.json | BC Birth Time Extension | active | 2025-02 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.genomics-reporting | R4 | StructureDefinition-genomic-report-note.json | Genomic Report Note | trial-use | 2 | cg | 2026-01 | uv | hl7 | Extension | 1 |
| de.netzwerk-universitaetsmedizin.ebm-cpg | R5 | StructureDefinition-ceosys-extension-artifact-assessment-publication-status.json | ArtifactAssessment Publication Status | draft | 2022-02 | Extension | 2 | ||||
| de.netzwerk-universitaetsmedizin.ebm-cpg | R5 | StructureDefinition-ext-dosage-condition.json | Dosage Condition | draft | 2022-07 | uv | Extension | 2 | |||
| de.netzwerk-universitaetsmedizin.ebm-cpg | R5 | StructureDefinition-ceosys-extension-artifact-assessment-version.json | ArtifactAssessment Version | draft | 2021-11 | Extension | 2 | ||||
| signal.core.r4 | R4 | StructureDefinition-extension-SignalAdminMultiplierRate.json | SignalAdminMultiplierRate | draft | Extension | ||||||
| et.fhir.core | R4 | StructureDefinition-address-kebele.json | Address Kebele | draft | 2026-02 | uv | Extension | 1 | |||
| et.fhir.core | R4 | StructureDefinition-address-ketenagott.json | Address Ketena/Gott | draft | 2026-02 | uv | Extension | 1 | |||
| uz.dhp.core | R5 | StructureDefinition-coverage-area.json | Coverage area | draft | 2026-03 | Extension | 1 | ||||
| et.fhir.core | R4 | StructureDefinition-address-zone.json | Address Zone | draft | 2026-02 | uv | Extension | 1 | |||
| hl7.fhir.us.cdmh | R4 | StructureDefinition-cdmh-pcornet-admitting-source-facility-type.json | Admitting Source Facility Type | draft | 2019-09 | us | hl7 | Extension | 1 | ||
| ca.infoway.io.core | R4 | StructureDefinition-usage-license.json | UsageLicense | trial-use | 2 | ca | national | Extension | 1 | ||
| ca.infoway.io.ca-ext-reg | R4 | UsageLlicense.json | Healthcare Service Usage License | draft | Extension | 1 | |||||
| ca.infoway.io.ca-ext-reg | R4 | DeliveryMethod.json | HealthcareService Delivery Method | draft | Extension | 2 | |||||
| hl7.fhir.us.pacio-adi | R4 | StructureDefinition-adi-docVersionNumber-extension.json | Version Number | trial-use | 2 | pe | 2026-03 | us | hl7 | Extension | 1 |
| pc.ig | R4 | StructureDefinition-epigenome-study-age-at-dna-extraction.json | Age at DNA extraction | draft | 2026-02 | Extension | 1 | ||||
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-ndh-age-group.json | NDH Age Group | trial-use | 4 | pa | 2026-03 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-ndh-age-range.json | NDH Age Range | trial-use | 4 | pa | 2026-03 | us | hl7 | Extension | 1 |
| csiro.stars | R5 | StructureDefinition-patient-age.json | Patient Age | active | 2026-04 | Extension | 1 | ||||
| PHCDI | R4 | StructureDefinition-AgeDays.json | Age in Days | draft | 2026-02 | Extension | 1 | ||||
| PHCDI | R4 | StructureDefinition-AgeMonths.json | Age in Months | draft | 2026-02 | Extension | 1 | ||||
| PHCDI | R4 | StructureDefinition-AgeYears.json | Age in Years | draft | 2026-02 | Extension | 1 | ||||
| et.fhir.core | R4 | StructureDefinition-staffing.json | Facility Staffing | draft | 2026-02 | uv | Extension | 1 | |||
| fi.kela.kanta.pta.ajanvaraus.r4 | R4 | BookingDeadline.StructureDefinition.extension.json | Booking Deadline | draft | Extension | 1 | |||||
| fi.kela.kanta.pta.ajanvaraus.r4 | R4 | CareplanIdentifier.StructureDefinition.extension.json | Careplan Identifier | draft | Extension | 1 | |||||
| fi.kela.kanta.pta.ajanvaraus.r4 | R4 | SelfServiceInfo.StructureDefinition.extension.json | Self Service Information | draft | 2025-05 | Extension | 1 | ||||
| ee.fhir.ahd | R5 | StructureDefinition-ahd-approval-time.json | Kinnitamise aeg | draft | 2026-04 | Extension | 1 | ||||
| hl7.fhir.fr.core | R4 | StructureDefinition-fr-core-comment.json | FR Core Comment Extension | active | 1 | fhir | 2026-03 | fr | hl7 | Extension | 1 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-device-alertDetection.json | Device Alert Detection Extension | draft | 1 | dev | 2024-11 | uv | hl7 | Extension | |
| fi.kela.kanta.pta.ajanvaraus.r4 | R4 | ChildAppointment.StructureDefinition.extension.json | Child Appointment | draft | Extension | 1 | |||||
| hl7.fhir.us.vrdr | R4 | StructureDefinition-AliasStatus.json | Alias Status of a Death Roster | active | pher | 2024-10 | us | hl7 | Extension | 1 | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-hla-genotyping-results-allele-database.json | Allele Database | deprecated | 1 | oo | 2015-10 | uv | hl7 | Extension | |
| pc.ig | R4 | StructureDefinition-variant-annotation-allele-frequency.json | Allele frequency | draft | 2026-02 | Extension | 1 | ||||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-observation-geneticsAllele.json | Allele | deprecated | 1 | oo | 2016-03 | uv | hl7 | Extension | |
| pc.ig | R4 | StructureDefinition-variant-occurrence-genotype.json | Genotype | draft | 2026-02 | Extension | 1 | ||||
| hl7.fhir.uv.sdc | R4 | StructureDefinition-sdc-questionnaire-extractAllocateId.json | Extract - Allocate new uuid | draft | 0 | fhir | 2026-03 | uv | hl7 | Extension | 3 |
| myhie.v4-test | R4 | extension-public-booking-my-core.json | ExtensionPublicBooking (MY Core) | active | 2023-02 | Extension | 1 | ||||
| nictiz.fhir.nl.stu3.zib2017 | R3 | code-icpc-1-nl.json | code-icpc-1-nl | active | nl | hl7 | Extension | 1 | |||
| hl7.fhir.uv.pharm-quality | R5 | StructureDefinition-Extension-substance-property-range-pq.json | Extension - Substance Property Range PQ | active | brr | 2024-05 | uv | hl7 | Extension | 2 | |
| hl7.fhir.uv.cmi | R4 | StructureDefinition-cmi-isSelective.json | CMI Is Selective | active | 2021-11 | uv | hl7 | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-cqf-isSelective.json | Is Selective | trial-use | 3 | cds | 2021-11 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-valueset-parameterSource.json | ValueSet Parameter Source | trial-use | 3 | vocab | 2021-01 | uv | hl7 | Extension | |
| de.gematik.schuleingangsuntersuchung | R4 | StructureDefinition-contactbirthdate.json | Birth date of a contact as Date | draft | hl7 | Extension | 1 | ||||
| hl7.fhir.uv.cmi | R4 | StructureDefinition-cmi-valueFilter.json | CMI Value Filter | active | 2021-11 | uv | hl7 | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-cqf-valueFilter.json | Value Filter | trial-use | 3 | cds | 2021-11 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-cqf-isPrefetchToken.json | Is prefetch token | trial-use | 2 | cds | 2015-05 | uv | hl7 | Extension | |
| laniado.test.fhir.r4 | R4 | StructureDefinition-ext-dep-bed-sort.json | Extension: Dep Bed Sort | draft | Extension | 1 | |||||
| hl7.fhir.uv.tools | R5 | StructureDefinition-resource-sort.json | Resource Sort Extension | informative | 4 | fhir | 2026-03 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-family-member-history-genetics-observation.json | FamilyMemberHistory Observation | trial-use | 3 | cg | 2019-05 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-questionnaireresponse-attester.json | QuestionnaireResponse Attester | trial-use | 2 | fhir | 2021-03 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-questionnaireresponse-author.json | QuestionnaireResponse Author | trial-use | 3 | fhir | 2013-07 | uv | hl7 | Extension | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-requirements-actorkey.json | Requirements Actor Key | informative | 1 | fhir | 2026-03 | uv | hl7 | Extension | |
| hl7.fhir.uv.sdc | R4 | StructureDefinition-sdc-questionnaire-observationExtractEntry.json | Observation Extract Entry | trial-use | 4 | fhir | 2026-03 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-questionnaire-optionRestriction.json | Questionnaire Option Restriction | trial-use | 2 | fhir | 2013-07 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-11179-permitted-value-valueset.json | Permitted Value Valueset | trial-use | 3 | oo | 2014-04 | uv | hl7 | Extension | |
| fhir.ca-bc.provider | R4 | StructureDefinition-bc-practitioner-relationship-extension.json | BC Practitioner to Practitioner Relationship Extension | active | 2025-02 | us | hl7 | Extension | 1 | ||
| fhir.ca-bc.provider | R4 | StructureDefinition-bc-name-use-extension.json | BC Name Use Extension | active | 2025-02 | us | hl7 | Extension | 1 | ||
| pharmacyeclaim.trial | R4 | ext-prior-claim-intervention-codes.StructureDefinition.json | Prior Intervention Codes Extension | draft | Extension | 1 | |||||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-cqf-relatedRequirement.json | Related Requirement | trial-use | 1 | cds | 2025-05 | uv | hl7 | Extension | |
| de.gematik.schuleingangsuntersuchung | R4 | StructureDefinition-kitaname.json | KiTa Name as String | draft | hl7 | Extension | 1 | ||||
| de.gematik.schuleingangsuntersuchung | R4 | StructureDefinition-kitaid.json | KiTa ID as String | draft | hl7 | Extension | 1 | ||||
| fhir.outburn.co.il | R4 | StructureDefinition-issue-regards.json | Issue Regards | draft | us | hl7 | Extension | 1 | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-additional-resource-compartment.json | Additional Resource Compartment | trial-use | 1 | fhir | 2025-07 | uv | hl7 | Extension | |
| eng.fhir.profile.dev | R4 | resource-businessStatus.json | resource-businessStatus | draft | 2023-06 | hl7 | Extension | 3 | |||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-SpecimenCollectionCollector.json | Extension UK Core Specimen Collection Collector | retired | 2026-02 | us | hl7 | Extension | |||
| eng.fhir.profile.dev | R4 | extension-codeSystem-propertyValueSetBinding.json | extension-codeSystem-propertyValueSetBinding | draft | 2023-06 | hl7 | Extension | 1 | |||
| hl7.fhir.cl.minsal.tei | R4 | StructureDefinition-PueblosOriginarios.json | Pueblos Originarios | draft | 2026-03 | cl | hl7 | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-careteam-alias.json | CareTeam Alias | trial-use | 2 | pc | 2019-09 | uv | hl7 | Extension | |
| hl7.fhir.us.directory-query | R4 | StructureDefinition-careteam-alias.json | NatlDirEndpointQry Careteam Alias | active | 2017-11 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.vhdir | R4 | StructureDefinition-careteam-alias.json | VhDir Careteam Alias | trial-use | 2 | pa | 2017-11 | uv | hl7 | Extension | 1 |
| au.gov.digitalhealth.r4.hcpd | R4 | StructureDefinition-hc-alternate-postal-address.json | HC Alternate Postal Address | draft | 2026-03 | au | Extension | 1 | |||
| hl7.fhir.uv.ae-research-backport-ig | R4 | StructureDefinition-mitigating-action.json | Mitigating Action | trial-use | 2 | brr | 2024-04 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.clinical-study-protocol | R6 | StructureDefinition-m11-protocol-amendment.json | M11_ProtocolAmendment | trial-use | 2 | brr | 2026-04 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.pharmaceutical-research-protocol | R6 | StructureDefinition-protocol-amendment.json | M11_ProtocolAmendment | trial-use | 1 | brr | 2025-08 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-observation-geneticsAminoAcidChange.json | Amino Acid Change | deprecated | 1 | oo | 2016-03 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-auditevent-Accession.json | AuditEvent Accession | trial-use | 3 | sec | 2020-12 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-auditevent-AlternativeUserID.json | AuditEvent Alternative User ID | trial-use | 2 | sec | 2020-12 | uv | hl7 | Extension | |
| nictiz.fhir.nl.stu3.geboortezorg | R3 | bc-careplan-contributor.json | bc-careplan-coordinator | active | nl | Extension | 1 | ||||
| nictiz.fhir.nl.stu3.geboortezorg | R3 | bc-careplan-coordinator.json | bc-careplan-coordinator | active | nl | Extension | 2 | ||||
| nhsdigital.fhir.stu3 | R3 | Extension-ODSAPI-OrganizationRole-1.json | Extension-ODSAPI-OrganizationRole-1 | active | 2018-04 | hl7 | Extension | 1 | |||
| uk.nhsdigital.r4.test | R4 | Extension-ODS-OrganizationRole.json | ExtensionNHSDigitalOrganizationRole | active | 2020-03 | Extension | 4 | ||||
| uk.nhsdigital.r4.test | R4 | Extension-Spine-OrganizationRole.json | Extension-NHSDigital-Organization-Role | active | 2020-03 | Extension | |||||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-PrescribingAgency-1.json | Extension-CareConnect-GPC-PrescribingAgency-1 | active | 2018-05 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-PrescribedElsewhere-1.json | Extension-CareConnect-PrescribedElsewhere-1 | draft | 2018-05 | hl7 | Extension | ||||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-MedicationPrescribingAgency-1.json | Extension-CareConnect-MedicationPrescribingAgency-1 | draft | 2019-12 | hl7 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-UEC-FlagBasedOn-1.json | Extension-UEC-FlagBasedOn-1 | draft | 2020-04 | hl7 | Extension | ||||
| nhsdigital.fhir.stu3 | R3 | Extension-ImageCoordinates-1.json | Extension-ImageCoordinates-1 | draft | 2020-03 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-AnaestheticIssues-1.json | Extension-CareConnect-AnaestheticIssues-1 | draft | 2018-11 | hl7 | Extension | 3 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-ODSAPI-ActivePeriod-1.json | Extension-ODSAPI-ActivePeriod-1 | active | 2018-04 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-RelatedClinicalContent-1.json | Extension-CareConnect-RelatedClinicalContent-1 | draft | 2018-04 | hl7 | Extension | 3 | |||
| uk.nhsengland.genomics.r4 | R4 | Extension-Genomic-Patient-Role.json | Extension Genomic Patient Role | draft | 2025-12 | Extension | |||||
| uk.nhsengland.genomics.r4 | R4 | Extension-GenomicTestCode-Version.json | Extension Genomic Test Code Version | draft | 2025-10 | Extension | |||||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-tz-code.json | An IANA timezone code for the timezone offset per BCP 175 | deprecated | 1 | fhir | 2013-12 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-timezone.json | Timezone Code | trial-use | 2 | fhir | 2013-12 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-auditevent-Lifecycle.json | AuditEvent Lifecycle | trial-use | 2 | sec | 2021-10 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-auditevent-MPPS.json | AuditEvent MPPS | trial-use | 3 | sec | 2020-12 | uv | hl7 | Extension | |
| nictiz.fhir.nl.stu3.zib2017 | R3 | zib-Respiration-AdministeredOxygen.json | HCIM Respiration AdministeredOxygen | active | nl | hl7 | Extension | 1 | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-cqf-messages.json | Messages | trial-use | 3 | cds | 2019-02 | uv | hl7 | Extension | |
| qualitype.fhir.samples | R4 | StructureDefinition-NotificationUrl.json | NotificationUrl | active | Extension | 1 | |||||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-artifact-url.json | Artifact URL | trial-use | 2 | cds | 2022-02 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-geolocation.json | Geolocation | trial-use | 3 | fhir | 2013-12 | uv | hl7 | Extension | |
| sfm.130323 | R4 | sfm-actor.StructureDefinition.json | sfm-actor | active | 2021-05 | Extension | 1 | ||||
| hl7.fhir.be.pss | R4 | StructureDefinition-AnswerOptionAdditionalCode.json | AnswerOption Additional Code | active | 2026-03 | be | hl7 | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-codesystem-alternate.json | CodeSystem Alternate | trial-use | 3 | vocab | 2021-01 | uv | hl7 | Extension | |
| hl7.fhir.us.davinci-pas | R4 | StructureDefinition-extension-identifierSubDepartment.json | Identifier Sub-Department | trial-use | 4 | fm | 2026-03 | us | hl7 | Extension | 1 |
| hl7.fhir.us.davinci-pas | R4 | StructureDefinition-extension-identifierJurisdiction.json | Identifier Jurisdiction | trial-use | 4 | fm | 2026-03 | us | hl7 | Extension | 1 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-additionalIdentifier.json | additional identifier | trial-use | 2 | fhir | 2015-02 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-structuredefinition-applicable-version.json | StructureDefinition Applicable Version | trial-use | 3 | fhir | 2014-01 | uv | hl7 | Extension | |
| hl7.fhir.us.breastcancer | R3 | StructureDefinition-shr-core-Address-extension.json | BC Address Extension | draft | 2018-08 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.pacio-adi | R4 | StructureDefinition-adi-attester.json | ADI Attester | trial-use | 2 | pe | 2026-03 | us | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-extension-quantity-translation.json | Quantity Translation | trial-use | 2 | fhir | 2013-12 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-iso21090-PQ-translation.json | PQ Translation | deprecated | 1 | fhir | 2012-06 | uv | hl7 | Extension | |
| hl7.fhir.uv.ebm | R6 | StructureDefinition-research-study-study-amendment.json | ResearchStudyStudyAmendment | trial-use | 1 | cds | 2026-03 | uv | hl7 | Extension | 3 |
| csiro.stars | R5 | StructureDefinition-csiro-stars-patient-animal.json | CSIRO STARS Patient Animal Profile | active | 2026-04 | Extension | 1 | ||||
| hl7.fhir.uv.tools | R5 | StructureDefinition-requirements-statementcategory.json | Requirements Statement Category | informative | 1 | fhir | 2026-03 | uv | hl7 | Extension | |
| hl7.fhir.us.vrdr | R4 | StructureDefinition-StateSpecificField.json | State Specific Field | active | pher | 2024-10 | us | hl7 | Extension | 2 | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-valueset-caseSensitive.json | ValueSet Case Sensitive | trial-use | 3 | vocab | 2020-12 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-cqf-certainty.json | CQF Certainty | trial-use | 2 | cds | 2015-05 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-specimen-sequenceNumber.json | Specimen Sequence Number | trial-use | 3 | oo | 2015-02 | uv | hl7 | Extension | |
| ca.on.oh.erec | R4 | ext-id-health-card-version-code.json | HealthCardNumberVersionCode | draft | ca | national | Extension | 2 | |||
| ca.on.oh-olis | R4 | ext-healthCard-versionCode.json | HealthCardVersionCode | active | 2022-11 | hl7 | Extension | 5 | |||
| ca.on.oh-seris | R4 | HCNVersionCode.json | HCNVersionCode | draft | Extension | ||||||
| ca.on.mi.r4 | R4 | StructureDefinition-ext-id-health-card-version-code.json | HealthCardVersionCode | active | 2024-04 | ca | Extension | 1 | |||
| ca.healthpei.io.core | R4 | StructureDefinition-ext-HealthCardVersionCode.json | HealthCardVersionCode | draft | Extension | 1 | |||||
| gpc.stu3.fhir-assets | R3 | Extension-CareConnect-ValueApproximation-1.json | Extension-CareConnect-ValueApproximation-1 | draft | 2019-03 | hl7 | Extension | 1 |
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