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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-CuffSize.json | Extension UK Core Cuff Size | active | 2023-09 | us | hl7 | Extension | 1 | ||
| nhsdigital.fhir.stu3 | R3 | Extension-GPConnect-DeliveryChannel-1.json | Extension-GPConnect-DeliveryChannel-1 | active | 2018-02 | hl7 | Extension | ||||
| nhsdigital.fhir.stu3 | R3 | Extension-GPConnect-DeliveryChannel-2.json | Extension-GPConnect-DeliveryChannel-2 | active | 2018-09 | hl7 | Extension | 3 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-DeliveryChannel-1.json | Extension-CareConnect-DeliveryChannel-1 | active | 2019-11 | hl7 | Extension | 2 | |||
| uk.nhsdigital.r4.test | R4 | Extension-EPS-DispensingInformation.json | Extension EPS Dispensing Information | draft | 2025-04 | Extension | 2 | ||||
| hl7.fhir.us.covid19library | R4 | StructureDefinition-exposure-type.json | Exposure Type | active | 2022-07 | us | hl7 | Extension | 1 | ||
| nhsdigital.fhir.stu3 | R3 | Extension-GPConnect-BookingOrganisation-1.json | Extension-GPConnect-BookingOrganisation-1 | active | 2017-10 | hl7 | Extension | 2 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-BookingOrganisation-1.json | Extension-CareConnect-BookingOrganisation-1 | draft | 2019-12 | hl7 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-GPConnect-PractitionerRole-1.json | Extension-GPConnect-PractitionerRole-1 | active | 2018-02 | hl7 | Extension | 2 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-ProblemSignificance-1.json | Extension-CareConnect-ProblemSignificance-1 | draft | 2018-04 | hl7 | Extension | 3 | |||
| nictiz.fhir.nl.r4.immunization | R4 | ext-imm-Vaccination.PharmaceuticalProduct.json | ext imm Vaccination.PharmaceuticalProduct | draft | 2024-07 | nl | Extension | 2 | |||
| nictiz.fhir.nl.r4.nl-core | R4 | ext-Vaccination.PharmaceuticalProduct.json | ext Vaccination.PharmaceuticalProduct | draft | nl | Extension | 1 | ||||
| nhsdigital.fhir.stu3 | R3 | Extension-HealthcareService-Reference-1.json | Extension-HealthcareService-Reference-1 | draft | 2021-02 | hl7 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-PractitionerRole-Reference-1.json | Extension-PractitionerRole-Reference-1 | draft | 2021-02 | hl7 | Extension | 2 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-Communication-Requester-1.json | Extension-Communication-Requester-1 | draft | 2021-02 | hl7 | Extension | 1 | |||
| nictiz.fhir.nl.r4.medicationprocess9 | R4 | ext-MedicationUse2.Prescriber.json | ext MedicationUse2.Prescriber | active | nl | Extension | 1 | ||||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-BodySiteReference.json | Extension UK Core Body Site Reference | retired | 2026-02 | us | hl7 | Extension | |||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-PatientFetalStatus.json | Extension UK Core Patient Fetal Status | draft | 2024-07 | us | hl7 | Extension | |||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-ConditionBodyStructure.json | Extension UK Core Condition Body Structure | draft | 2024-06 | us | hl7 | Extension | 1 | ||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-ObservationOrganizer.json | Extension UK Core Observation Organizer | draft | 2025-08 | us | hl7 | Extension | 1 | ||
| tewhatuora.digitaltooling.iguat | R4 | StructureDefinition-custom-headers-extension.json | HNZ Custom Headers Extension | active | 2024-06 | Extension | 1 | ||||
| tewhatuora.digitaltooling | R4 | StructureDefinition-custom-headers-extension.json | HNZ Custom Headers Extension | active | 2024-08 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-appointment-relaunch-sent.json | Relaunch Message Sent | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-appointment-reminder-sent.json | Reminder Message Sent | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-appointment-resident-contact-alternative.json | Resident Contact Application Alternative | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-patient-employee-category.json | Patient Employee Category | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-patient-employee-establishment.json | Patient Employee Establishment | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-patient-employee-job-title.json | Patient Employee Job Title | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-patient-employee-number.json | Patient Employee Number | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-appointment-group.json | Appointment Group | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-coverage-nam.json | Coverage NAM | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-coverage-nam-sequential-number.json | Coverage NAM Sequential Number | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-patient-employer-name.json | Patient Employer Name | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-related-person-occupation.json | Related Person Occupation | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-patient-occupation.json | Patient Occupation | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-patient-profile-number.json | Patient Profile Number | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-patient-region.json | Patient Region | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-appointment-resident.json | Appointment Resident | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-appointment-resident-birthday-month.json | Resident Birthday Month | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-appointment-resident-firstname-initial.json | Resident Firstname Initial | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-appointment-resident-lastname.json | Resident Lastname | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-appointment-resident-room.json | Resident Room Number | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-appointment-follow-up-state.json | Follow Up State | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-appointment-availability-state.json | Availability State | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-patient-school-class.json | Patient School Class | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-patient-school-name.json | Patient School Name | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-appointment-follow-up-modified.json | Appointment Follow Up Modified | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-client-state-modified.json | Client State Modified | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-appointment-status-modified.json | Appointment Status Modified | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-appointment-distance-hidden.json | Distance Hidden | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-patient-unknown-father.json | Patient Unknown Father | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-patient-unknown-mother.json | Patient Unknown Mother | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-patient-comm-phone-only.json | Patient Comm Phone Only | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-appointment-resident-allow-zoom.json | Resident Contact Allow Zoom | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-appointment-resident-multiple-user.json | Resident Multiple User | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-appointment-source.json | Availability Source | active | 2025-03 | Extension | 1 | ||||
| ca.clicsante.base | R4 | StructureDefinition-created-by.json | Created By | active | 2025-03 | Extension | 1 | ||||
| nictiz.fhir.nl.r4.zib2020 | R4 | ext-Problem.FurtherSpecificationProblemName.json | ext Problem.FurtherSpecificationProblemName | draft | nl | hl7 | Extension | ||||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-ObservationBodyStructure.json | Extension UK Core Observation Body Structure | retired | 2026-02 | us | hl7 | Extension | 6 | ||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-DiagnosticReportSupportingInfo.json | Extension UK Core Diagnostic Report Supporting Info | retired | 2026-02 | us | hl7 | Extension | 5 | ||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-DiagnosticReportNote.json | Extension UK Core Diagnostic Report Note | retired | 2026-02 | us | hl7 | Extension | 6 | ||
| nhsdigital.fhir.stu3 | R3 | Extension-eRS-PatientAdditionalRequirement-1.json | Extension eRS Patient Additional Requirement | active | 2022-04 | hl7 | Extension | 1 | |||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-AdditionalContact.json | Extension UK Core Additional Contact | active | 2023-12 | us | hl7 | Extension | 2 | ||
| fhir.r4.wales.discovery | R4 | Extension-DataStandardsWales-HospitalClassification.json | Extension Data Standards Wales Hospital Classification | draft | 2020-12 | us | hl7 | Extension | |||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-AdmissionMethod.json | Extension UK Core Admission Method | active | 2023-12 | us | hl7 | Extension | 1 | ||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-DischargeMethod.json | Extension UK Core Discharge Method | active | 2023-12 | us | hl7 | Extension | 1 | ||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-OutcomeOfAttendance.json | Extension UK Core Outcome Of Attendance | active | 2023-12 | us | hl7 | Extension | 1 | ||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-BirthSex.json | Extension UK Core Birth Sex | active | 2024-06 | us | hl7 | Extension | 1 | ||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-EmergencyCareDischargeStatus.json | Extension UK Core Emergency Care Discharge Status | active | 2022-01 | us | hl7 | Extension | 1 | ||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-CareSettingType.json | Extension UK Core Care Setting Type | active | 2022-12 | us | hl7 | Extension | 2 | ||
| nhsdigital.fhir.stu3 | R3 | Extension-EOL-ReSPECTScale-1.json | Extension-EOL-ReSPECTScale-1 | draft | 2018-08 | hl7 | Extension | ||||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-ListWarningCode.json | Extension UK Core List Warning Code | active | 2024-06 | us | hl7 | Extension | 1 | ||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-EncounterTransport-1.json | Extension-CareConnect-EncounterTransport-1 | draft | 2018-11 | hl7 | Extension | 5 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-DischargeMethod-1.json | Extension-CareConnect-DischargeMethod-1 | draft | 2018-11 | hl7 | Extension | 5 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-OutcomeOfAttendance-1.json | Extension-CareConnect-OutcomeOfAttendance-1 | draft | 2018-11 | hl7 | Extension | 5 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-DCH-EmergencyCareDischargeStatus-1.json | Extension-CareConnect-DCH-EmergencyCareDischargeStatus-1 | draft | 2018-02 | hl7 | Extension | 2 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-EmergencyCareDischargeStatus-1.json | Extension-CareConnect-EmergencyCareDischargeStatus-1 | draft | 2018-11 | hl7 | Extension | 3 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-IncrementNumber-1.json | Extension-CareConnect-IncrementNumber-1 | draft | 2020-04 | hl7 | Extension | 1 | |||
| uk.nhsdigital.r4.test | R4 | Extension-EPS-RepeatInformation.json | Extension EPS RepeatInformation | draft | 2025-10 | Extension | 5 | ||||
| uk.nhsdigital.r4.test | R4 | Extension-PendingCancellation.json | Extension Pending Cancellation | draft | 2025-04 | Extension | 1 | ||||
| uk.nhsdigital.r4.test | R4 | Extension-DM-PrescriptionStatusHistory.json | Extension DM Prescription Status History | draft | 2025-04 | Extension | 3 | ||||
| uk.nhsdigital.r4.test | R4 | Extension-EPS-TaskBusinessStatus.StructureDefinition.json | Extension EPS Task Business Status | draft | 2025-04 | Extension | 2 | ||||
| uk.nhsdigital.r4.test | R4 | Extension-ParticipantType.json | Extension Participant Type | draft | 2025-04 | Extension | 5 | ||||
| hl7.fhir.us.lower-extremity-skin-wound-assessment | R4 | StructureDefinition-AnatomicLocationExt.json | AnatomicLocation | draft | 2019-06 | us | hl7 | Extension | 1 | ||
| fhir.r4.nhsengland.stu1 | R4 | Extension-England-FlagRemovalReason.json | Extension England Flag Removal Reason | active | 2023-11 | us | hl7 | Extension | |||
| hl7.fhir.us.covid19library | R4 | StructureDefinition-procedure-code.json | Procedure Code | active | 2022-07 | us | hl7 | Extension | 1 | ||
| gov.cdc.nhsn.dqm | R4 | StructureDefinition-link-patient-list-applicable-period-extension.json | Patient List Applicable Period | trial-use | 1 | 2023-04 | us | Extension | 1 | ||
| uk.nhsdigital.r4.test | R4 | Extension-DM-prescriptionType.json | Extension NHS BSA Prescription Type | draft | 2025-04 | Extension | 2 | ||||
| hl7.fhir.uv.cmi | R4 | StructureDefinition-cmi-usageWarning.json | CMI Usage Warning | draft | 2019-06 | uv | hl7 | Extension | |||
| hl7.fhir.us.medmorph | R4 | StructureDefinition-us-ph-usagewarning-extension.json | US Public Health Usage Warning Extension | draft | 2019-06 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-codesystem-warning.json | CodeSystem Warning | trial-use | 3 | vocab | 2020-12 | uv | hl7 | Extension | |
| hl7.fhir.us.ecr.r4b | R4B | StructureDefinition-us-ph-usagewarning-extension.json | US Public Health Usage Warning Extension | active | pher | 2019-06 | us | hl7 | Extension | 1 | |
| hl7.fhir.us.davinci-pr | R4 | StructureDefinition-remittanceIdentifierExt.json | RemittanceIdentifier | trial-use | 1 | claims | 2025-04 | us | hl7 | Extension | 1 |
| hl7.fhir.us.davinci-deqm | R4 | StructureDefinition-extension-certificationIdentifier.json | DEQM Certification Identifier Extension | trial-use | 4 | cqi | 2018-06 | us | hl7 | Extension | 3 |
| hl7.fhir.uv.deqm | R4 | StructureDefinition-deqm-certificationIdentifier.json | DEQM Certification Identifier Extension | trial-use | 4 | cqi | 2018-06 | uv | hl7 | Extension | 3 |
| hl7.fhir.uv.pharm-quality | R5 | StructureDefinition-Extension-formulation-number-pq.json | Extension - Formulation Number PQ | active | brr | 2026-07 | uv | hl7 | Extension | 1 | |
| hl7.fhir.uv.cpg | R4 | StructureDefinition-cpg-itemImage.json | CPG Item Image Extension | active | cds | 2026-06 | uv | hl7 | Extension | 1 | |
| hl7.fhir.uv.cpg | R4 | StructureDefinition-cpg-responseImage.json | CPG Response Image Extension | active | cds | 2026-06 | uv | hl7 | Extension | 1 | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-ig-parameter.json | IG Parameter | informative | 5 | fhir | 2026-07 | uv | hl7 | Extension | |
| hl7.fhir.uv.vhdir | R4 | StructureDefinition-newpatients.json | VhDir Newpatients | trial-use | 2 | pa | 2017-11 | uv | hl7 | Extension | 3 |
| hl7.fhir.us.lower-extremity-skin-wound-assessment | R4 | StructureDefinition-PresentOnAdmissionExt.json | PresentOnAdmission | draft | 2019-06 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.lower-extremity-skin-wound-assessment | R4 | StructureDefinition-EstimatedIndExt.json | EstimatedIndicator | draft | 2019-06 | us | hl7 | Extension | 1 | ||
| fhir.org.nz.ig.base | R4 | StructureDefinition-registration-status-code.json | RegistrationStatusCode | active | 2026-05 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-practitionerrole-employmentStatus.json | PractitionerRole Employment Status | trial-use | 1 | pa | 2020-12 | uv | hl7 | Extension | |
| hl7.fhir.us.davinci-pas | R4 | StructureDefinition-extension-epsdtIndicator.json | EPSDT Indicator | trial-use | 4 | fm | 2026-06 | us | hl7 | Extension | 4 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-patient-fetalStatus.json | Patient Fetal Status | draft | 1 | pc | 2026-07 | uv | hl7 | Extension | |
| nhsdigital.fhir.stu3 | R3 | Extension-eRS-Restricted-1.json | Extension-eRS-Restricted-1 | draft | 2017-07 | hl7 | Extension | ||||
| nhsdigital.fhir.stu3 | R3 | Extension-eRS-Accredited-1.json | Extension-eRS-Accredited-1 | draft | 2017-07 | hl7 | Extension | ||||
| nhsdigital.fhir.stu3 | R3 | Extension-EOL-ADRT-1.json | Extension-EOL-ADRT-1 | draft | 2019-01 | hl7 | Extension | ||||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-artifact-author.json | Artifact Author | trial-use | 2 | cds | 2022-02 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-artifact-editor.json | Artifact Editor | trial-use | 2 | cds | 2022-02 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-artifact-reviewer.json | Artifact Reviewer | trial-use | 2 | cds | 2022-02 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-artifact-endorser.json | Artifact Endorser | trial-use | 2 | cds | 2022-02 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-individual-genderIdentity.json | Individual Gender Identity | trial-use | 2 | pa | 2020-12 | uv | hl7 | Extension | |
| hl7.fhir.us.ecr.r4b | R4B | StructureDefinition-us-ph-genderidentity-extension.json | US Public Health Gender Identity Extension | active | pher | 2022-05 | us | hl7 | Extension | 1 | |
| ch.fhir.ig.ch-orf | R4 | StructureDefinition-ch-orf-urgentnoficationcontactforthisdocument.json | CH ORF Urgent Notification Contact For This Documet | active | 2025-12 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-orf | R4 | StructureDefinition-ch-orf-urgentnoficationcontactfortheresponsetothisdocument.json | CH ORF Urgent Notification Contact For The Response To This Document | active | 2025-12 | ch | hl7 | Extension | 1 | ||
| hl7.fhir.us.lower-extremity-skin-wound-assessment | R4 | StructureDefinition-DeviceExt.json | Device | draft | 2019-06 | us | hl7 | Extension | 2 | ||
| hl7.fhir.uv.crmi | R4 | StructureDefinition-crmi-intendedUsageContext.json | CRMI Intended Usage Context | trial-use | 3 | cds | 2025-10 | uv | hl7 | Extension | 1 |
| hl7.at.fhir.tc.wg.scheduling.r5 | R5 | StructureDefinition-appointment-booking-url.json | Appointment Booking URL | draft | 2026-06 | hl7 | Extension | 1 | |||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-aggregate-id.json | aggregateId | active | 2026-08 | dk | Extension | 1 | |||
| fhir.ca-bc.provider | R4 | StructureDefinition-bc-facility-physical-address-extension.json | BC Facility Physical Address Extension | active | 2025-02 | us | hl7 | Extension | 1 | ||
| hl7-france-fhir.administrative-2022 | R4 | fr-organization-activity-type-R4.StructureDefinition.json | FrOrganizationActivityType | active | 2019-07 | Extension | 1 | ||||
| hl7-france-fhir.administrative-2022 | R4 | fr-oganization-budget-letter-R4.StructureDefinition.json | FrOrganizationBudgetLetter | active | 2019-07 | Extension | 2 | ||||
| hl7-france-fhir.administrative-2022 | R4 | fr-oganization-applicant-act-R4.StructureDefinition.json | FrOrganizationApplicantAct | active | 2019-07 | Extension | 1 | ||||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-managing-organization.json | Managing organization | active | 2026-08 | dk | Extension | 1 | |||
| hl7.fhir.us.icsr-ae-reporting | R4 | StructureDefinition-icsr-ext-departmentname.json | DepartmentName | draft | 2023-08 | us | hl7 | Extension | 1 | ||
| hl7.org.nz.fhir.ig.formulary | R4B | StructureDefinition-nzf-atc.json | Atc | draft | 2026-08 | nz | hl7 | Extension | 2 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-observation-geneticsAncestry.json | Ancestry | deprecated | 1 | oo | 2016-03 | uv | hl7 | Extension | |
| kvdigital.terminsynchronisation-tvs | R4 | KBV_EX_116117_TERMINSERVICE_TVS_TERMINSYNCHRONISATION_Urgency.json | KBV_EX_116117_TERMINSERVICE_TVS_TERMINSYNCHRONISATION_Urgency | active | hl7 | Extension | 2 | ||||
| kbv.ita.vos | R4 | StructureDefinition-KBV-EX-VoS-SKT.json | KBV_EX_VoS_SKT | draft | 2025-10 | Extension | 1 | ||||
| de.gevko.evo.hlm | R4 | EVO_EX_Ursache_Unfall_BVG.json | Ursache - Unfall, BVG | active | 2020-10 | Extension | 2 | ||||
| de.gevko.evo.hlm | R4 | EVO_EX_Ursache.json | Ursache | active | 2020-06 | Extension | 1 | ||||
| de.gevko.emdaf | R4 | EMDAF_EX_Laborparameter_Status.json | Laborparameter Status | active | 2022-11 | Extension | 1 | ||||
| de.gevko.evo.hlm | R4 | EVO_EX_Zuzahlungsstatus.json | Zuzahlungsstatus | active | 2020-06 | Extension | 2 | ||||
| de.biv-ot.everordnung | R4 | BIVOT_EX_EVO_TinnitusInstrument.json | BIVOT_EX_EVO_TinnitusInstrument | active | 2026-07 | de | Extension | 1 | |||
| de.biv-ot.everordnung | R4 | BIVOT_EX_EVO_Visusverbesserung20.json | BIVOT_EX_EVO_Visusverbesserung20 | active | 2026-07 | de | Extension | 1 | |||
| de.biv-ot.everordnung | R4 | BIVOT_EX_EVO_Aenderung05dpt.json | BIVOT_EX_EVO_Aenderung05dpt | active | 2026-07 | Extension | 1 | ||||
| kvdigital.terminsynchronisation-tvs | R4 | KBV_EX_116117_TERMINSERVICE_TVS_TERMINSYNCHRONISATION_Slot_Bookable_Through.json | KBV_EX_116117_TERMINSERVICE_TVS_TERMINSYNCHRONISATION_Slot_Bookable_Through | active | hl7 | Extension | 1 | ||||
| kvdigital.terminsynchronisation-tvs | R4 | KBV_EX_116117_TERMINSERVICE_TVS_TERMINSYNCHRONISATION_Appointment_Booked_By.json | KBV_EX_116117_TERMINSERVICE_TVS_TERMINSYNCHRONISATION_Appointment_Booked_By | active | Extension | 1 | |||||
| kvdigital.terminschnittstelle-fuer-dritte | R4 | KBV_EX_KV_DIGITAL_TS_DRITTE_Appointment_Cancelled_By.json | KBV_EX_KV_DIGITAL_TS_DRITTE_Appointment_Cancelled_By | active | Extension | 2 | |||||
| de.biv-ot.everordnung | R4 | BIVOT_EX_EVO_VersorgungSeite.json | BIVOT_EX_EVO_VersorgungSeite | active | 2026-07 | de | Extension | 1 | |||
| kvdigital.terminschnittstelle-fuer-dritte | R4 | KBV_EX_KV_DIGITAL_TS_DRITTE_Vermittlungscode_Specialty_Assignment.json | KBV_EX_KV_DIGITAL_TS_DRITTE_Vermittlungscode_Specialty_Assignment | active | 2024-01 | Extension | 2 | ||||
| kbv.ita.vos | R4 | StructureDefinition-KBV-EX-VoS-Medication-isOverTheCounter.json | KBV_EX_VoS_Medication_isOverTheCounter | draft | 2025-10 | Extension | 4 | ||||
| de.gematik.vsdm2 | R4 | StructureDefinition-VSDMBeihilfe.json | Beihilfeanspruch | active | 2026-07 | de | Extension | 1 | |||
| de.gematik.vsdm2 | R4 | StructureDefinition-VSDMKrankenhausleistungenPKV.json | PKV-Kostenübernahme Krankenhausleistungen | active | 2026-07 | de | Extension | 1 | |||
| de.gematik.vsdm2 | R4 | StructureDefinition-VSDMDMPTeilnahme.json | Teilnahme an Disease Management-Programm | active | 2026-07 | de | Extension | 1 | |||
| de.gevko.emdaf | R4 | EMDAF_EX_Startzeitpunkt.json | Startzeitpunkt der periodischen Intervallsequenz | active | 2022-11 | Extension | 1 | ||||
| fi.kela.kanta.res.medication.r4 | R4 | doseDispensingExtension.StructureDefinition.json | Extension doseDispensing | active | 2022-05 | Extension | 1 | ||||
| fi.kela.kanta.res.medication.r4 | R4 | boundsRangeStartDateExtension.StructureDefinition.json | Extension boundsRangeStartDate | active | Extension | 1 | |||||
| fi.kela.kanta.res.medication.r4 | R4 | boundsDurationStartDateExtension.StructureDefinition.json | Extension boundsDurationStartDate | active | Extension | 2 | |||||
| fi.kela.kanta.res.medication.r4 | R4 | dosageIfNeededExtension.StructureDefinition.json | Extension dosageIfNeeded | active | Extension | 2 | |||||
| fi.kela.kanta.res.medication.r4 | R4 | onlyTextDosageInUseExtension.StructureDefinition.json | Extension onlyTextDosageInUse | active | Extension | 1 | |||||
| ig-ee-medication-scheme | R5 | StructureDefinition-ee-tis-cancelled-status-reason.json | ExtensionEETISCancelledStatusReason | draft | 2024-01 | ee | Extension | 1 | |||
| ig-ee-medication-scheme | R5 | StructureDefinition-ee-tis-dosage-modification.json | ExtensionEETISDosageModification | draft | 2024-08 | ee | Extension | 1 | |||
| de.thieme-compliance.anamnese | R4 | StructureDefinition-Salutation.json | Salutation | draft | 2023-05 | Extension | 1 | ||||
| kbv.ita.vos | R4 | StructureDefinition-KBV-EX-VoS-User-Device.json | KBV_EX_VoS_User_Device | draft | 2025-10 | Extension | 1 | ||||
| hl7.fhir.us.pq-cmc-fda | R5 | StructureDefinition-pq-additional-info-extension.json | Additional Information | trial-use | 2 | brr | 2025-07 | us | hl7 | Extension | 2 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-iso21090-ADXP-buildingNumberSuffix.json | ADXP Building Number Suffix | trial-use | 3 | fhir | 2012-06 | uv | hl7 | Extension | |
| nhs.fhir.lv.vvis | R4B | VVIS-ADXP-BuildingNumberSuffix-v0.Extension.StructureDefinition.json | BuildingNumberSuffix | active | 1 | fhir | 2012-06 | Extension | 2 | ||
| ihe.pharm.mpd | R5 | StructureDefinition-ihe-ext-medication-characteristic.json | Medication - Characteristic | active | 2026-06 | uv | ihe | Extension | 5 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-workflow-barrier.json | Workflow Barrier | trial-use | 2 | fhir | 2017-12 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-consent-Transcriber.json | Consent Transcriber | trial-use | 3 | sec | 2020-12 | uv | hl7 | Extension | |
| nhsdigital.fhir.stu3 | R3 | Extension-EOL-AdditionalContactInformation-1.json | Extension-EOL-AdditionalContactInformation-1 | draft | 2018-08 | hl7 | Extension | 1 | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-consent-Witness.json | Consent Witness | trial-use | 3 | sec | 2020-12 | uv | hl7 | Extension | |
| elga.moped | R5 | StructureDefinition-moped-ext-TageOhneKostenbeitrag.json | Tage ohne Einhebung des Kostenbeitrags | draft | 2026-05 | Extension | 1 | ||||
| de.biv-ot.everordnung | R4 | BIVOT_EX_EVO_Anzahl.json | BIVOT_EX_EVO_Anzahl | active | 2026-07 | Extension | 1 | ||||
| hl7.org.nz.fhir.ig.formulary | R4B | StructureDefinition-nzf-pil-formulary.json | PilFormulary | draft | 2026-08 | nz | hl7 | Extension | |||
| hl7.fhir.uv.clinical-study-protocol | R6 | StructureDefinition-m11-approval.json | M11_Approval | trial-use | 2 | brr | 2026-06 | uv | hl7 | Extension | 1 |
| hl7-france-fhir.administrative-2022 | R4 | fr-lunar-date-R4.structuredefinition.json | FrPatientLunarDate | active | 2019-12 | Extension | |||||
| fi.kela.kanta.res.medication.r4 | R4 | prescriptionSavedByPharmacyExtension.StructureDefinition.json | Extension prescriptionSavedByPharmacy | active | Extension | 1 | |||||
| synapxe.hsar | R4B | extension-Archetype-assessorOrganization.json | extension-Archetype-assessorOrganization | active | 2019-10 | Extension | 1 | ||||
| rlfhir.lab | R4 | Extension_RL_Location_AreaDegenza.json | RLLocationAreaDegenza | draft | Extension | 1 | |||||
| de.biv-ot.everordnung | R4 | BIVOT_EX_EVO_Sehhilfenart.json | BIVOT_EX_EVO_Sehhilfenart | active | 2026-07 | de | Extension | 1 | |||
| de.gevko.emdaf | R4 | EMDAF_EX_eMP_AMTS_ID.json | AMTS-ID | active | 2022-11 | Extension | 1 | ||||
| ig-ee-medication-scheme | R5 | StructureDefinition-ee-tis-nephrotoxic.json | ExtensionEETISNephrotoxic | draft | 2024-08 | ee | Extension | 1 | |||
| ig-ee-medication-scheme | R5 | StructureDefinition-ee-tis-substitution.json | ExtensionEETISSubstitution | draft | 2024-02 | ee | Extension | 1 | |||
| fi.kela.kanta.res.medication.r4 | R4 | effectiveTimeExtension.StructureDefinition.json | Extension effectiveTime | draft | Extension | 5 | |||||
| fi.kela.kanta.res.medication.r4 | R4 | versionNumberExtension.StructureDefinition.json | Extension versionNumber | active | 2022-05 | Extension | 4 | ||||
| fi.kela.kanta.pta.ajanvaraus.r4 | R4 | CustomerJourney.StructureDefinition.extension.json | Customer Journey | draft | Extension | 1 | |||||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-structuredefinition-compliesWithProfile.json | StructureDefinition Complies With Profile | draft | 1 | fhir | 2014-01 | uv | hl7 | Extension | |
| 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 | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.pacio-pfe | R4 | StructureDefinition-device-patient-used.json | DevicePatientUsed | trial-use | 3 | pc | 2026-08 | us | hl7 | Extension | 3 |
| hl7.fhir.us.identity-matching | R4 | StructureDefinition-csp-assurance.json | CSP Assurance | trial-use | 2 | pa | 2026-07 | 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 |
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