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| Package | Version | Identity | Name/Title | Status | FMM | WG | Date | Realm | Auth | DataType | Usage # |
|---|---|---|---|---|---|---|---|---|---|---|---|
| hl7.fhir.uv.extensions | R5 | StructureDefinition-match-grade.json | Bundle Match Grade | trial-use | 3 | fhir | 2015-03 | uv | hl7 | Extension | |
| hl7.fhir.us.directory-query | R4 | StructureDefinition-associatedServers.json | Associated Servers | active | 2022-12 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.davinci-pdex | R4 | StructureDefinition-base-ext-associatedServers.json | NDH Associated Servers | trial-use | 2 | fm | 2026-08 | us | hl7 | Extension | 1 |
| se.electronichealth.fhir.merier.r5 | R5 | StructureDefinition-endpoint-associated-server-er.json | Endpoint Associated Server (ER) | active | Extension | 1 | |||||
| ihe.rad.imr | R4 | StructureDefinition-associatedStudy.json | IMR DiagnosticReport Associated Study | active | 2024-06 | uv | ihe | Extension | 1 | ||
| hl7.fhir.us.pacio-cs | R4 | StructureDefinition-device-patient-used.json | DevicePatientUsed | active | 2024-11 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.pacio-fs | R4 | StructureDefinition-device-patient-used.json | DevicePatientUsed | active | 2021-11 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.pacio-cs | R4 | StructureDefinition-assistance-required.json | AssistanceRequired | active | 2024-11 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.pacio-fs | R4 | StructureDefinition-assistance-required.json | AssistanceRequired | active | 2021-11 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.pacio-pfe | R4 | StructureDefinition-assistance-required.json | AssistanceRequired | trial-use | 3 | pc | 2026-09 | us | hl7 | Extension | 1 |
| hl7.fhir.us.pacio-pfe | R4 | StructureDefinition-device-patient-used.json | DevicePatientUsed | trial-use | 3 | pc | 2026-09 | us | hl7 | Extension | 3 |
| hl7.fhir.us.identity-matching | R4 | StructureDefinition-csp-assurance.json | CSP Assurance | trial-use | 2 | pa | 2026-08 | us | hl7 | Extension | 1 |
| ca.on.ehr.r4 | R4 | AttachmentMetadata.json | Attachment Metadata Extension | active | Extension | 3 | |||||
| ca.on.erec.r4 | R4 | StructureDefinition-ext-attachment-metadata.json | Attachment Metadata Extension | draft | Extension | 1 | |||||
| ca.on.hrm.r4 | R4 | StructureDefinition-ext-attachment-metadata.json | Attachment Metadata Extension | active | ca | Extension | |||||
| hl7.org.nz.fhir.ig.formulary | R4B | StructureDefinition-nzf-page-size.json | NzfPageSize | draft | 2026-08 | nz | hl7 | Extension | |||
| hl7.fhir.cz.img | R4 | StructureDefinition-DeviceAttesterExt.json | Extension: Device Attester | draft | 2026-08 | cz | hl7 | Extension | |||
| hl7.fhir.us.davinci-pdex | R4 | StructureDefinition-PriorAuthorizationUtilization.json | An attribute to express the amount of a service or item that has been utilized | informative | fm | 2026-08 | us | hl7 | Extension | 1 | |
| hl7.fhir.us.davinci-pdex | R4 | StructureDefinition-DispenseRefill.json | An attribute to express the refill number of a prescription | informative | fm | 2026-08 | us | hl7 | Extension | 1 | |
| il.core.fhir.r4 | R4 | StructureDefinition-ext-resource-encounter-stage-context.json | Resource Encounter Stage Context | active | 2026-09 | il | national | Extension | |||
| il.core.fhir.r4 | R4 | StructureDefinition-ext-resource-role-context.json | Ext: Resource Role Context | active | 2026-09 | il | national | Extension | 2 | ||
| hl7.fhir.uv.saner | R4 | StructureDefinition-MeasureGroupAttributes.json | Attributes describing a group of measures | draft | pher | 2024-05 | uv | hl7 | Extension | 1 | |
| hl7.fhir.us.davinci-pdex | R4 | StructureDefinition-ProvenanceSourceFrom.json | An attribute to describe the data source a resource was constructed from | informative | fm | 2026-08 | us | hl7 | Extension | 1 | |
| hl7.fhir.uv.emedicinal-product-info | R5 | StructureDefinition-ext-epi-authorisation-type.json | Authorisation Type | trial-use | brr | 2026-07 | uv | hl7 | Extension | 1 | |
| hl7.fhir.uv.subscriptions-backport | R4B | StructureDefinition-notification-authorization-hint.json | Authorization information relevant to a notification | trial-use | fhir | 2024-06 | uv | hl7 | Extension | ||
| eu.epi.february2025b | R5 | StructureDefinition-ext-epi-authorization-type.json | Authorization type extension used in List resource. | active | Extension | 1 | |||||
| kanta.sosiaalihuolto.r4 | R4 | AuthorizationConsent.json | Social Welfare Authorization Consent extension | active | 2025-03 | Extension | 1 | ||||
| ke.fhir.emergency | R4 | StructureDefinition-em-clinical-guidance-message.json | Emergency Clinical Guidance Message | draft | 2026-08 | Extension | 1 | ||||
| fhir.kenyaEmergencyIG | R4 | StructureDefinition-em-clinical-guidance-message.json | Emergency Clinical Guidance Message | draft | 2026-07 | us | hl7 | Extension | 1 | ||
| ans.annuaire.fhir.r4 | R4 | PractitionerAuthorization.json | PractitionerAuthorization | active | 2021-03 | national | Extension | 1 | |||
| portuguese.use-cases.guide | R4B | PreventiveActionPTExtension.StructureDefinition.json | PreventiveActionPTExtension | draft | Extension | ||||||
| portuguese.use-cases.guide | R4B | MitigatingActionPTExtension.StructureDefinition.json | MitigatingActionPTExtension | draft | Extension | ||||||
| fhir.ca-bc.provider | R4 | StructureDefinition-bc-address-validation-status-extension.json | BC Address Validation Extension | active | 2025-02 | us | hl7 | Extension | 1 | ||
| fhir.ca-bc.provider | R4 | StructureDefinition-bc-communication-purpose-code-extension.json | BC Communication Purpose Extension | active | 2025-02 | us | hl7 | Extension | 2 | ||
| zm-core | R5 | StructureDefinition-zm-communication-message-language.json | Communication Message Language | active | 2026-08 | Extension | 2 | ||||
| bd.fhir.core | R4 | StructureDefinition-bd-divisions.json | Division | informative | 1 | 2025-10 | Extension | 1 | |||
| bd.fhir.core | R4 | StructureDefinition-bd-upazillas.json | Upazilla | informative | 1 | 2025-10 | Extension | 1 | |||
| ch.fhir.ig.ch-core | R4 | StructureDefinition-ch-ext-bfs-ms-admitrole.json | BFS Extension Medical Statistic: Admit Role for Encounter | active | 2026-08 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-core | R4 | StructureDefinition-ch-ext-bfs-ms-dischargedestination.json | BFS Extension Medical Statistic: Discharge Destination for Encounter | active | 2026-08 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-core | R4 | StructureDefinition-ch-ext-bfs-ms-dischargedecision.json | BFS Extension Medical Statistic: Discharge Décision for Encounter | active | 2026-08 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-core | R4 | StructureDefinition-ch-ext-bfs-ms-encountertype.json | BFS Extension Medical Statistic: Encounter Type (Class) for Encounter | active | 2026-08 | ch | hl7 | Extension | 1 | ||
| rki.emiga.case | R4 | StructureDefinition-Note.json | Notiz | active | 2026-02 | Extension | 1 | ||||
| ca.on.phsd.r4-alpha | R4 | Ext-R4backportedsubscription.managingEntity.json | OH Subscription Managing Entity (R4 Backport) | draft | Extension | 1 | |||||
| fhir.ph.core | R4 | StructureDefinition-barangay.json | Barangay | draft | 2026-06 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.breastcancer | R3 | StructureDefinition-cimi-topic-FindingTopic-extension.json | BC FindingTopic Extension | draft | 2018-08 | us | hl7 | Extension | 3 | ||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-base-environment.json | Base environment | active | 2026-09 | dk | Extension | 3 | |||
| hl7.fhir.be.medication | R4 | StructureDefinition-BasedOnMedicationLine.json | BasedOnMedicationLine | active | 2026-08 | be | hl7 | Extension | 2 | ||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-questionnaireresponse-finding-basis.json | Questionnaire response finding basis | active | 2026-09 | dk | Extension | 1 | |||
| hl7.fhir.be.lab | R4 | StructureDefinition-be-ext-note.json | BeExtNote | active | 1 | 2022-09 | be | hl7 | Extension | 1 | |
| de.biv-ot.everordnung | R4 | BIVOT_EX_EVO_Augenbefund.json | BIVOT_EX_EVO_Augenbefund | active | 2026-07 | Extension | 1 | ||||
| de.zdh.everordnung | R4 | ZDH_EX_EVO_Augenbefund.json | ZDH_EX_EVO_Augenbefund | active | 2026-07 | Extension | 1 | ||||
| de.biv-ot.everordnung | R4 | BIVOT_EX_EVO_Ohrenbefund.json | BIVOT_EX_EVO_Ohrenbefund | active | 2026-07 | Extension | 1 | ||||
| de.zdh.everordnung | R4 | ZDH_EX_EVO_Ohrenbefund.json | ZDH_EX_EVO_Ohrenbefund | active | 2026-07 | Extension | 1 | ||||
| hl7.fhir.be.drp | R4 | StructureDefinition-be-ext-validity-period.json | BeValidityPeriod | active | 2026-08 | be | hl7 | Extension | 2 | ||
| hl7.fhir.be.referral | R4 | StructureDefinition-be-ext-validity-period.json | BeValidityPeriod | active | 2026-08 | be | hl7 | Extension | 2 | ||
| de.gevko.evo.hlm | R4 | EVO_EX_Begruendung_Sonstiges_Freitext.json | Begründung/Sonstiges | active | 2021-04 | Extension | 1 | ||||
| basisprofil.tiplu.de.r4.dev | R4 | StructureDefinition-Dauerdiagnose.json | Kennzeichen Dauerdiagnose | active | 2026-04 | Extension | 1 | ||||
| basisprofil.tiplu.de.r4.dev | R4 | StructureDefinition-Belegoperateur.json | Belegoperateur | active | 2026-04 | Extension | 1 | ||||
| basisprofil.tiplu.de.r4.dev | R4 | StructureDefinition-Beleganaesthesist.json | Beleganaesthesist | active | 2026-04 | Extension | 1 | ||||
| basisprofil.tiplu.de.r4.dev | R4 | StructureDefinition-Beleghebamme.json | Beleghebamme | active | 2026-04 | Extension | 1 | ||||
| de.einwilligungsmanagement | R4 | extension-ConsentManagement-OrganizationDescription.json | Consent Management Organization Description | active | 2026-09 | Extension | 1 | ||||
| de.dktk.oncology | R4 | StructureDefinition-onco-core-Extension-Bestrahlung.json | Bestrahlung | active | Extension | 1 | |||||
| de.gematik.epa.medication | R4 | StructureDefinition-epa-medicationstatement-processing-event-extension.json | EPAMedicationStatementProcessingEventExtension | active | 2025-12 | de | Extension | 1 | |||
| de.gematik.epa.medication | R4 | StructureDefinition-emp-medicationrequest-activity-extension.json | EMPMedicationRequestActitvityExtension | active | 2026-03 | de | Extension | 1 | |||
| hl7.fhir.fi.scheduling | R4 | StructureDefinition-ajanvarauksen-tila.json | Ajanvarauksen tila | draft | 2025-08 | fi | hl7 | Extension | |||
| eu.miabis.r4 | R4 | StructureDefinition-miabis-bioprocessing-and-analytical-capabilities-extension.json | Bioprocessing and Analytical Capabilities Extension | active | 2026-06 | Extension | 1 | ||||
| br.go.ses.core | R4 | StructureDefinition-biometria.json | Biometria | draft | 2025-11 | Extension | 1 | ||||
| de.gevko.evo.hlm | R4 | EVO_EX_KHB_B_BisherigeMassnahmen.json | Bisherige Maßnahmen | active | 2021-03 | Extension | 1 | ||||
| bd.fhir.core | R4 | StructureDefinition-bd-blood-group.json | Patient Blood Group | informative | 1 | 2025-10 | Extension | ||||
| hl7.fhir.us.cdmh | R4 | StructureDefinition-cdmh-pcornet-body-position.json | PCORNet Body Position | draft | 2019-09 | us | hl7 | Extension | 1 | ||
| bloodpressure | R4 | StructureDefinition-bodweightExt.json | Body Weight to be considered | draft | 2026-08 | Extension | 1 | ||||
| hl7.fhir.us.lower-extremity-skin-wound-assessment | R4 | StructureDefinition-BodyLandmarkOrientationExt.json | BodyLandmarkOrientation | draft | 2019-06 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.lower-extremity-skin-wound-assessment | R4 | StructureDefinition-UnderlyingAnatomicalStructureExt.json | UnderlyingAnatomicalStructure | draft | 2019-06 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.termchangeset.r4b | R4B | StructureDefinition-description-acceptability.json | Description Acceptability | draft | 0 | vocab | 2024-08 | uv | hl7 | Extension | 1 |
| hl7.fhir.us.vdor | R4 | StructureDefinition-nvdrs-force-new-record-extension.json | NVDRS Force New Record Extension | draft | 0 | pher | 2026-05 | us | hl7 | Extension | 1 |
| hl7.fhir.us.vdor | R4 | StructureDefinition-nvdrs-overwrite-conflicts-extension.json | VDOR - NVDRS Overwrite Conflicts Extension | draft | 0 | pher | 2026-05 | us | hl7 | Extension | 1 |
| ca.on.health.idms | R5 | IDMS-EXTENSION-SEVICEREQUEST-BRANDNAME.json | Brand Name | active | Extension | 1 | |||||
| hl7.fhir.us.breast-radiology | R4 | StructureDefinition-BreastBodyLocationExtension.json | Breast Body Location Extension | active | 2022-12 | us | hl7 | Extension | 13 | ||
| uz.dhp.integrations | R5 | StructureDefinition-breast-quadrant.json | Breast Quadrant Extension | active | 2026-09 | Extension | 1 | ||||
| cezih.hr.cezih-osnova | R4 | StructureDefinition-HRBrojOcevidnika.json | HRBrojOcevidnika | draft | Extension | 1 | |||||
| ig-ee-medication-scheme | R5 | StructureDefinition-ee-tis-lock-status.json | ExtensionEETISLockStatus | draft | 2023-12 | ee | Extension | 1 | |||
| no.nhn.fhir.helsenorge.profiles | R4 | StructureDefinition-vurdertDato.json | Vurdert dato | draft | 2025-10 | no | Extension | 1 | |||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-revision.json | Revision | active | 2026-09 | dk | Extension | 2 | |||
| no.nhn.fhir.helsenorge.profiles | R4 | StructureDefinition-businessStatus.json | Business status of a request - including referals | draft | no | Extension | |||||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-version.json | Version | active | 2026-09 | dk | Extension | 3 | |||
| us.co.bha-ig | R4 | StructureDefinition-bha-action-type.json | BHA Action Type | trial-use | 1 | 2026-07 | us | Extension | 1 | ||
| ke.fhir.nccp | R4 | StructureDefinition-nccp-ctcae-grade-extension.json | CTCAE Grade Extension | draft | 2026-08 | Extension | 1 | ||||
| hl7.fhir.uv.sdc | R4 | StructureDefinition-sdc-questionnaire-calculatedExpression.json | Calculated Expression | trial-use | 4 | fhir | 2026-09 | uv | hl7 | Extension | 4 |
| fhir.ca-bc.provider | R4 | StructureDefinition-bc-availableTime-extension.json | Extension to represent the available Time, or hours of operation, for clinic, or other Profiles | active | 2025-02 | us | hl7 | Extension | 1 | ||
| fhir.ca-bc.provider | R4 | StructureDefinition-bc-availability-extension.json | Extension to represent Availability, or hours of operation, for clinic, or other Profiles | active | 2025-02 | us | hl7 | Extension | 1 | ||
| fhir.ca-bc.provider | R4 | StructureDefinition-bc-not-available-extension.json | Extension to represent the details when an item is NOT available for clinic, or other Profiles | active | 2025-02 | us | hl7 | Extension | 1 | ||
| lazio.crea.cup.irt | R5 | StructureDefinition-canale-prenotazione.json | Canale di Prenotazione | draft | Extension | 1 | |||||
| uz.dhp.core | R5 | StructureDefinition-service-definition.json | Service Definition | draft | 2026-09 | Extension | 1 | ||||
| ca.on.oh-seris | R4 | SERISBlock.json | Extension: Block Release | draft | 2023-03 | Extension | 1 | ||||
| ca.on.oh-seris | R4 | SETPCancel.json | Extension: Cancel Date/Time | draft | 2023-03 | Extension | |||||
| ke.fhir.eprescription | R4 | StructureDefinition-insurance-pre-authorization.json | Insurance Pre-Authorization | active | 2026-09 | Extension | |||||
| hl7.fhir.us.davinci-crd | R4 | StructureDefinition-ext-coverage-information.json | Coverage Information | trial-use | 1 | fm | 2026-05 | us | hl7 | Extension | 13 |
| au.gov.digitalhealth.fhir.cc | R4 | StructureDefinition-medication-formula-string.json | Medication Formula String | draft | 2026-08 | au | Extension | ||||
| nhsdigital.fhir.stu3 | R3 | Extension-RARecord-Provenance-1.json | Extension-RARecord-Provenance-1 | active | 2020-04 | hl7 | Extension | ||||
| au.gov.digitalhealth.fhir.cc | R4 | StructureDefinition-medicationdispense-unique-prescription-number-string.json | Medication Dispense Unique Prescription Number String | draft | 2026-08 | au | Extension | ||||
| nhsdigital.fhir.stu3 | R3 | Extension-RARecord-BestInterestSummary-1.json | Extension-RARecord-BestInterestSummary-1 | active | 2020-04 | hl7 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-RARecord-AdjustmentNotes-1.json | Extension-RARecord-AdjustmentNotes-1 | active | 2020-04 | hl7 | Extension | 1 | |||
| ng.gov.nphcda.immunization | R4 | StructureDefinition-nigeria-administrative-ward.json | NG-Imm Administrative Wards | active | 2026-06 | Extension | 2 | ||||
| org.dhin-hie.sandbox | R4 | StructureDefinition-nigeria-administrative-ward.json | NG Administrative Wards | active | 2026-09 | Extension | 2 | ||||
| ke.fhir.patient-summary | R4 | StructureDefinition-medication-brand-name.json | Medication Brand Name | draft | 2026-09 | Extension | 1 | ||||
| sk.registry.core.r5 | R5 | StructureDefinition-onset-date-ext.json | Stroke Onset Date | active | 2025-10 | Extension | 1 | ||||
| nhsdigital.fhir.stu3 | R3 | Extension-RARecord-AdjustmentCategory-1.json | Extension-RARecord-AdjustmentCategory-1 | active | 2020-04 | hl7 | Extension | 1 | |||
| sk.registry.core.r5 | R5 | StructureDefinition-onset-time-ext.json | Stroke Onset Time | active | 2025-10 | Extension | 1 | ||||
| hl7.fhir.us.uscdi-scd | R4 | StructureDefinition-scd-genotype.json | SCD Genotype | active | 2026-09 | us | hl7 | Extension | |||
| hl7.fhir.us.uscdi-scd | R4 | StructureDefinition-scd-hydroxyurea-adherence.json | SCD Hydroxyurea Adherence | active | 2026-09 | us | hl7 | Extension | |||
| ke.fhir.emergency | R4 | StructureDefinition-em-incident-caller.json | Emergency Incident Caller | active | 2026-08 | Extension | 1 | ||||
| fhir.kenyaEmergencyIG | R4 | StructureDefinition-em-incident-caller.json | Emergency Incident Caller | active | 2026-07 | us | hl7 | Extension | 1 | ||
| fhir.ca-bc.provider | R4 | StructureDefinition-bc-birthplace-extension.json | BC Birth Place Extension | active | 2025-02 | us | hl7 | Extension | 1 | ||
| ihe.iti.scheduling | R4 | StructureDefinition-extension-status-reason.json | Reason For Current Status | active | 2023-01 | uv | ihe | Extension | 1 | ||
| fhir.argonaut.scheduling | R3 | StructureDefinition-extension-status-reason.json | Reason For Current Status | active | 2017-06 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-event-statusReason.json | Event status reason | trial-use | 3 | fhir | 2017-12 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-request-statusReason.json | Request status reason | trial-use | 3 | fhir | 2017-12 | uv | hl7 | Extension | |
| ihe.iti.fais | R4 | StructureDefinition-request-statusReason.json | Request Status Reason | active | 2024-11 | uv | ihe | Extension | 3 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-workflow-statusReason.json | Workflow Status Reason | trial-use | 2 | fhir | 2017-12 | uv | hl7 | Extension | |
| fhir.onc.us-quality-core | R4 | StructureDefinition-us-quality-core-recorded.json | US Quality Core Not Done Recorded | active | 2026-06 | us | hl7 | Extension | 5 | ||
| nhsdigital.fhir.stu3 | R3 | Extension-RARecord-ProxyRole-1.json | Extension-RARecord-ProxyRole-1 | active | 2020-04 | hl7 | Extension | 1 | |||
| sk.registry.core.r5 | R5 | StructureDefinition-hemorrhagic-stroke-bleeding-reason-ext.json | Hemorrhagic Stroke – Bleeding Reason | active | 2025-10 | Extension | 1 | ||||
| ans.fhir.fr.eprescription | R4 | StructureDefinition-fr-uf-role.json | UF Role | draft | 2026-07 | fr | Extension | 1 | |||
| portuguese.core.guide | R4B | AvailabilityCharacteristicsPTExtension.StructureDefinition.json | Availability Characteristics PT Extension | active | 2024-05 | Extension | 2 | ||||
| nhs.fhir.lv.vvis | R4B | VVIS-ONKO-Condition-CardStatusDate-V1.Extension.StructureDefinition.json | CardStatusDateExtension | active | Extension | 13 | |||||
| nhs.fhir.lv.vvis | R4B | VVIS-ONKO-Condition-CardStatusReason-V1.Extension.StructureDefinition.json | CardStatusReasonExtension | active | Extension | 9 | |||||
| lt.hl7.fhir.cvd | R5 | StructureDefinition-risk-group-ext-lt-cvd.json | CVD Risk Group Extension | draft | 2026-09 | Extension | 1 | ||||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-reference-careplan.json | CarePlan reference | active | 2026-09 | dk | Extension | 1 | |||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-communication-recipientCareTeam.json | Recipient careteam | active | 2026-09 | dk | Extension | 2 | |||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-communication-senderCareTeam.json | Sender careteam | active | 2026-09 | dk | Extension | 2 | |||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-ext-careteam.json | Careteam | active | 2026-09 | dk | Extension | 4 | |||
| ch.fhir.ig.ch-ekm | R4 | StructureDefinition-sdc-templateExtractExtension.json | SDC Template Extract Extension (carrier) | draft | 2026-09 | ch | hl7 | Extension | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-composition-clinicaldocument-otherConfidentiality.json | Composition Other Confidentiality | deprecated | 1 | sd | 2015-03 | uv | hl7 | Extension | |
| ihe.iti.balp | R4 | StructureDefinition-ihe-otherId.json | AuditEvent.agent other identifiers | active | 2025-11 | uv | ihe | Extension | 1 | ||
| johnmoehrke.slicingslicedextension | R4 | StructureDefinition-OtherId.json | AuditEvent.agent other identifiers | draft | 2026-07 | uv | Extension | 1 | |||
| dk.ehmi.eds | R4 | StructureDefinition-eds-otherId.json | AuditEvent.agent other identifiers | active | 2026-08 | dk | Extension | 1 | |||
| ihe.rad.mado | R4 | StructureDefinition-ext-R5-DocumentReference.bodySite.json | Extension: DocumentReference.bodySite | trial-use | 1 | 2026-09 | uv | ihe | Extension | 2 | |
| ihe.rad.mado | R4 | StructureDefinition-ext-R5-DocumentReference.modality.json | Extension: DocumentReference.modality (R5 cross-version) | trial-use | 1 | 2026-09 | uv | ihe | Extension | 2 | |
| hl7-france-fhir.administrative-2022 | R4 | fr-death-place-R4.StructureDefinition.json | FrPatientDeathPlace | active | 2019-12 | Extension | 1 | ||||
| hl7.fhir.fr.core | R4 | StructureDefinition-fr-core-organization-sae-categorie.json | FR Core Organization Extension - Catetgorie SAE | active | 2026-09 | fr | hl7 | Extension | 1 | ||
| hl7.fhir.us.mcode | R4 | StructureDefinition-mcode-cancer-disease-status-evidence-type.json | Cancer Disease Status Evidence Type Extension | active | 4 | cic | 2025-02 | us | hl7 | Extension | 1 |
| hl7.fhir.us.central-cancer-registry-reporting | R4 | StructureDefinition-cancer-status-evidence-type.json | Cancer Status Evidence Type Extension | trial-use | 2 | pher | 2025-09 | us | hl7 | Extension | 1 |
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-task-category.json | Task category | active | 2026-09 | dk | Extension | 1 | |||
| hl7.fhir.fr.core | R4 | StructureDefinition-fr-core-patient-contact-relationship-category.json | FR Core Patient Contact Relationship Category Extension | active | 2026-09 | fr | hl7 | Extension | 1 | ||
| hl7-france-fhir.administrative-2022 | R4 | fr-categorieProfessionnelle-R4.json | FrPractitionerRoleCodeCategorieProfessionnelle | draft | 2019-12 | Extension | 1 | ||||
| ke.fhir.nccp | R4 | StructureDefinition-nccp-ctcae-attribution-extension.json | CTCAE Attribution Extension | draft | 2026-08 | Extension | 1 | ||||
| hl7.org.nz.fhir.ig.formulary | R4B | StructureDefinition-nzf-cal.json | Cautionary and Advisory Label | draft | 2026-08 | nz | hl7 | Extension | 1 | ||
| hl7.fhir.us.breastcancer | R3 | StructureDefinition-cimi-entity-HandlingRisk-extension.json | BC HandlingRisk Extension | draft | 2018-08 | us | hl7 | Extension | 2 | ||
| hl7.fhir.us.vr-common-library | R4 | StructureDefinition-CertificateNumber.json | Certificate Number | active | pher | 2026-06 | us | hl7 | Extension | 11 | |
| hl7.fhir.fr.core | R4 | StructureDefinition-fr-core-appointment-operator.json | FR Core Appointment Operator Extension | active | 2026-09 | fr | hl7 | Extension | 1 | ||
| hl7.fhir.fr.core | R4 | StructureDefinition-fr-core-service-type-duration.json | FR Core Service Type Duration Extension | active | 2026-09 | fr | hl7 | Extension | 3 | ||
| hl7.fhir.fr.core | R4 | StructureDefinition-fr-core-schedule-availability-time.json | FR Core Schedule availability time Extension | active | 2026-09 | fr | hl7 | Extension | 1 | ||
| ans.cisis.nde.fhir.r4 | R4 | NdERecipientEndpoint.json | NdE_RecipientEndpoint | active | 2021-01 | national | Extension | 1 | |||
| ans.fhir.fr.nde | R4 | StructureDefinition-recipient-endpoint.json | NdE_RecipientEndpoint | active | 2026-03 | fr | Extension | 1 | |||
| ans.cisis.nde.fhir.r4 | R4 | NdEStart.json | NdE_Start | active | 2021-01 | national | Extension | 1 | |||
| ans.fhir.fr.nde | R4 | StructureDefinition-start.json | Start | active | 2026-03 | fr | Extension | 1 | |||
| ans.fhir.fr.nde | R4 | StructureDefinition-event-emission-time.json | Emission Time | active | 2026-03 | fr | Extension | 1 | |||
| ans.cisis.nde.fhir.r4 | R4 | NdESubscriber.json | NdE_Subscriber | active | 2021-12 | national | Extension | 1 | |||
| ans.cisis.nde.fhir.r4 | R4 | NdEEventType.json | NdE_EventType | active | 2021-01 | national | Extension | 3 | |||
| ans.fhir.fr.nde | R4 | StructureDefinition-event-type.json | Event Type | active | 2026-03 | fr | Extension | 3 | |||
| ans.fhir.fr.nde | R4 | StructureDefinition-subscriber.json | Subscriber | active | 2026-03 | fr | Extension | 1 | |||
| hl7.fhir.fr.core | R4 | StructureDefinition-fr-core-organization-champ-activite.json | FR Core Organization Extension - Champ d'activité | active | 2026-09 | fr | hl7 | Extension | 1 | ||
| hl7.fhir.uv.fhir-clinical-document | R4 | StructureDefinition-ChangeMade.json | Change Made | informative | sd | 2026-07 | uv | hl7 | Extension | 1 | |
| hl7.fhir.us.mcc | R4 | StructureDefinition-changePattern.json | Change Pattern R5 backport | active | pc | 2024-08 | us | hl7 | Extension | 1 | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-workflow-protectiveFactor.json | Protective factor | trial-use | 2 | fhir | 2017-12 | uv | hl7 | Extension | |
| com.hl7.cyb.r5 | R5 | ChineseEthnicity.StructureDefinition.json | ChineseEthnicity | active | Extension | 1 | |||||
| uz.dhp.integrations | R5 | StructureDefinition-cancer-detection-condition.json | Cancer Detection Condition | draft | 2026-09 | Extension | 1 | ||||
| rlfhir.lab | R4 | Extension_RL_Patient_Cittadinanza.json | RLPatientCittadinanza | active | Extension | 1 | |||||
| hl7.fhir.us.vr-common-library | R4 | StructureDefinition-CityCode.json | City Code Vital Records | active | pher | 2026-06 | us | hl7 | Extension | 3 | |
| fhir.ph.core | R4 | StructureDefinition-city-municipality.json | City/Municipality | draft | 2026-06 | us | hl7 | Extension | 1 | ||
| il.fhir.r4.ashmc | R4 | StructureDefinition-ext-order-type.json | Ext: Order Type | active | 2026-09 | Extension | 1 | ||||
| il.core.fhir.r4 | R4 | StructureDefinition-ext-encounter-visitor-type.json | Ext: Encounter Visitor Type | active | 2026-09 | il | national | Extension | |||
| ke.fhir.eclaims | R4 | StructureDefinition-eclaims-attachment-type.json | Attachment Type | draft | 2026-08 | Extension | |||||
| ca.on.oh.erec | R4 | ext-content-type.json | ContentType | draft | ca | national | Extension | 1 | |||
| ke.fhir.patient-summary | R4 | StructureDefinition-procedure-type-category.json | Procedure Type Category | draft | 2026-09 | Extension | 1 | ||||
| ca.bc.bcy-ids | R4 | InactiveClientReasonExtension.StructureDefinition.json | InactiveClientReasonExtension | draft | Extension | 1 | |||||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-observation-geneticsInterpretation.json | Interpretation | deprecated | 1 | oo | 2016-03 | uv | hl7 | Extension | |
| ke.fhir.nccp | R4 | StructureDefinition-nccp-clinical-category-extension.json | Clinical Category Extension | draft | 2026-08 | Extension | 1 | ||||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-clinicalimpression-decision.json | Decision | active | 2026-09 | dk | Extension | 1 | |||
| ke.fhir.eclaims | R4 | StructureDefinition-eclaims-clinical-indications.json | Clinical Indications | draft | 2026-08 | Extension | 3 | ||||
| ke.fhir.nccp | R4 | StructureDefinition-nccp-treatment-setting-extension.json | Treatment Setting Extension | draft | 2026-08 | Extension | 2 | ||||
| hl7.fhir.cz.lab | R4 | StructureDefinition-cz-lab-clinically-relevant-time.json | Extension - Clinically Relevant Time | draft | 2026-08 | cz | hl7 | Extension | 1 | ||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-effectivePeriod.json | effectivePeriod | active | 2026-09 | dk | Extension | 1 | |||
| nictiz.fhir.nl.stu3.iwlz | R3 | iwlz-ext-Stoornis-DiagnoseCodelijst.json | iWlz Stoornis DiagnoseCodelijst extensie | draft | nl | Extension | 1 | ||||
| nictiz.fhir.nl.stu3.iwlz | R3 | iwlz-ext-Stoornis-DiagnoseSubcodelijst.json | iWlz Stoornis DiagnoseSubcodelijst extensie | draft | nl | Extension | 1 | ||||
| hl7.fhir.fi.base | R4 | StructureDefinition-condition-endocrinological-disorder.json | Endocrinological disorder | active | 2025-10 | fi | hl7 | Extension | 1 | ||
| de.gevko.emdaf | R4 | EMDAF_EX_Vorbedingungen_Medikation.json | Vorbedingungen der Medikation | active | 2022-11 | Extension | 1 | ||||
| ke.fhir.nccp | R4 | StructureDefinition-nccp-regimen-code-extension.json | Regimen Code Extension | draft | 2026-08 | Extension | 1 | ||||
| fhir.org.nz.ig.base | R4 | StructureDefinition-maori-descent.json | MaoriDescent | active | 2026-08 | us | hl7 | Extension | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-patient-adoptionInfo.json | Patient Adoption Info | deprecated | 3 | pa | 2020-12 | uv | hl7 | Extension | |
| ans.annuaire.fhir.r4 | R4 | CountryCode.json | CountryCode | active | 2021-03 | national | Extension | 1 | |||
| test.no.basis | R4 | no-basis-municipalitycode.StructureDefinition-extension.json | no-basis-municipalitycode | active | 2021-04 | no | hl7 | Extension | 1 | ||
| hl7.fhir.uv.termchangeset | R4 | StructureDefinition-update-methods.json | Update Methods | draft | 0 | vocab | 2026-04 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.termchangeset | R4 | StructureDefinition-change-type.json | Change Type | draft | 0 | vocab | 2026-04 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.termchangeset | R4 | StructureDefinition-designation-acceptability.json | Designation Acceptability | draft | 0 | vocab | 2026-04 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.termchangeset.r4b | R4B | StructureDefinition-description-case-sensitivity.json | Description Case Sensitivity | draft | 0 | vocab | 2024-08 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.termchangeset | R4 | StructureDefinition-designation-case-sensitivity.json | Designation Case Sensitivity | draft | 0 | vocab | 2026-04 | uv | hl7 | Extension | 1 |
| de.gevko.emdaf | R4 | EMDAF_EX_Hinweis_Typ.json | Hinweis Typ | active | 2022-07 | Extension | |||||
| fhir.org.nz.ig.base | R4 | StructureDefinition-acc-patient-occupation.json | AccPatientOccupation | active | 2026-08 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-device-implantStatus.json | Device Implantable Status | trial-use | 3 | oo | 2015-02 | uv | hl7 | Extension |
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