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| Package | Version | Identity | Name/Title | Status | FMM | WG | Date | Realm | Auth | DataType | Usage # |
|---|---|---|---|---|---|---|---|---|---|---|---|
| hl7.fhir.uv.xver-r2.r4.r4b | R4B | StructureDefinition-ext-R2-VisionPrescription.di.product.json | Cross-version Extension for R2.VisionPrescription.dispense.product for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | |
| hl7.fhir.uv.xver-r3.r4b.r4 | R4 | StructureDefinition-ext-R3-VisionPrescription.reason.json | Cross-version Extension for R3.VisionPrescription.reason[x] for use in FHIR R4B | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| csiro.fhir.au.smartforms | R4 | StructureDefinition-questionnaire-initialExpression-repopulatable.json | Questionnaire Initial Expression Repopulatable | draft | 2026-08 | au | hl7 | Extension | |||
| csiro.fhir.au.smartforms | R4 | StructureDefinition-GroupHideAddItemButton.json | Group Hide Add Item Button | draft | 2026-08 | au | Extension | ||||
| csiro.fhir.au.smartforms | R4 | StructureDefinition-QuestionnaireItemTextHidden.json | Questionnaire Item Text Hidden | draft | 2026-08 | au | Extension | ||||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-MedicationStatementLastIssueDate.json | Extension UK Core Medication Statement Last Issue Date | active | 2024-07 | us | hl7 | Extension | 1 | ||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-DeliveryChannel.json | Extension UK Core Delivery Channel | active | 2024-06 | us | hl7 | Extension | 2 | ||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-VaccinationProcedure.json | Extension UK Core Vaccination Procedure | active | 2022-12 | us | hl7 | Extension | 1 | ||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-MedicationPrescribingOrganizationType.json | Extension UK Core Medication Prescribing Organization Type | active | 2022-08 | us | hl7 | Extension | 1 | ||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-ParentPresent.json | Extension UK Core Parent Present | active | 2022-08 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.core | R4 | StructureDefinition-us-core-direct.json | US Core Direct email Extension | trial-use | 3 | cgp | 2022-11 | us | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-encounter-associatedEncounter.json | Encounter Associated Encounter | deprecated | 3 | pa | 2015-02 | uv | hl7 | Extension | |
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-NHSNumberUnavailableReason.json | Extension UK Core NHS Number Unavailable Reason | active | 2023-04 | us | hl7 | Extension | |||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-Coverage.json | Extension UK Core Coverage | active | 2023-04 | us | hl7 | Extension | 2 | ||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-PriorityReason.json | Extension UK Core Priority Reason | active | 2023-04 | us | hl7 | Extension | 2 | ||
| hl7.fhir.essilux.core | R4 | ELCoreExtensionExpirationDate.json | EL Core Extension Expiration Date | active | 2023-05 | essilux | hl7 | Extension | 1 | ||
| hl7-france-fhir.administrative-2022 | R4 | fr-slot-date-R4.StructureDefinition.json | FrSlotDate | active | 2019-07 | hl7 | Extension | ||||
| nictiz.fhir.nl.stu3.zib2020-preadopt | R3 | zib-FreedomRestrictingIntervention-Assent.json | HCIM FreedomrestrictingIntervention Assent | draft | nl | Extension | 1 | ||||
| nictiz.fhir.nl.stu3.zib2017 | R3 | zib-FreedomRestrictingMeasures-Permission.json | HCIM FreedomRestrictingMeasures Permission | active | nl | hl7 | Extension | 1 | |||
| nictiz.fhir.nl.r4.zib2020 | R4 | ext-Payer.BankInformation.json | ext Payer.BankInformation | draft | nl | hl7 | Extension | 1 | |||
| nictiz.fhir.nl.stu3.zib2017 | R3 | practitionerrole-reference.json | PractitionerRole Reference | active | nl | hl7 | Extension | 43 | |||
| niceprofiling.v23q1 | R3 | NICE-Encounter-reference.json | NICE-Encounter-reference | active | Extension | ||||||
| hl7-france-fhir.administrative-2022 | R4 | fr-practitioner-profession-R4.StructureDefinition.json | FrPractitionerProfession | active | 2019-07 | hl7 | Extension | ||||
| hl7.fhir.fr.core | R4 | StructureDefinition-fr-core-practitioner-specialty.json | FR Core Practitioner Specialty Extension | active | 2026-08 | fr | hl7 | Extension | 1 | ||
| hl7-france-fhir.administrative-2022 | R4 | fr-practitioner-specialty-R4.StructureDefinition.json | FrPractitionerSpecialty | active | 2019-07 | hl7 | Extension | ||||
| hl7-france-fhir.administrative-2022 | R4 | fr-appointment-operator-R4.StructureDefinition.json | FrAppointmentOperator | active | 2019-07 | Extension | 1 | ||||
| ans.annuaire.fhir.r4 | R4 | FrAddressInseeCode.json | FrAddressInseeCode | active | 2021-03 | national | Extension | 1 | |||
| hl7-france-fhir.administrative-2022 | R4 | fr-address-insee-code-R4.StructureDefinition.json | FrAddressInseeCode | active | 2019-07 | Extension | 1 | ||||
| nictiz.fhir.nl.stu3.geboortezorg | R3 | bc-encounter-patientparticipant.json | bc-encounter-patientparticipant | active | nl | Extension | 1 | ||||
| hl7.fhir.uv.fhir-for-fair | R4B | StructureDefinition-library-relatedContent.json | Content as RelatedArtifact [Library] | active | 2024-01 | uv | hl7 | Extension | 1 | ||
| hl7.fhir.us.pacio-rt | R4 | StructureDefinition-clinicalImpression.json | BasedOnClinicalImpression | active | 2022-10 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.fhir-for-fair | R4B | StructureDefinition-researchStudy-context.json | Usage Context [ResearchStudy] | active | 2024-01 | uv | hl7 | Extension | 1 | ||
| hl7.fhir.uv.deqm | R4 | StructureDefinition-deqm-careGapRemark.json | DEQM Care Gap Remark Extension | trial-use | 4 | cqi | 2024-12 | uv | hl7 | Extension | 1 |
| hl7.fhir.us.davinci-deqm | R4 | StructureDefinition-extension-careGapRemark.json | DEQM Care Gap Remark Extension | trial-use | 4 | cqi | 2024-12 | us | hl7 | Extension | 1 |
| ca.on.oh.erec | R4 | PerformerIdentifier.StructureDefinition.json | PerformerIdentifier | draft | ca | national | Extension | 2 | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-structuredefinition-extension-meaning.json | StructureDefinition Extension Meaning | trial-use | 2 | fhir | 2014-01 | uv | hl7 | Extension | |
| hl7.fhir.us.bser | R4 | StructureDefinition-query-description.json | QueryDescription | active | 2025-04 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-CardIssueDate-extension.json | Card Issue Date | trial-use | 2 | claims | 2026-08 | us | hl7 | Extension | 1 |
| de.thieme-compliance.anamnese | R4 | StructureDefinition-ListEntryCanonicalEx.json | ListEntryCanonical | draft | Extension | 1 | |||||
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-PlanBeneficiaries-extension.json | Plan Beneficiaries | trial-use | 2 | claims | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-BeneficiaryCostString-extension.json | Beneficiary Cost as String | trial-use | 2 | claims | 2026-08 | us | hl7 | Extension | 1 |
| fhir.ca-bc.client | R4 | StructureDefinition-bc-birthdate-history-extension.json | BC Birth Date History | active | 2025-02 | us | hl7 | Extension | 1 | ||
| fhir.ca-bc.client | R4 | StructureDefinition-bc-death-date-history-extension.json | BC Death Date History | active | 2025-02 | us | hl7 | Extension | 1 | ||
| fhir.ca-bc.client | R4 | StructureDefinition-bc-death-verified-flag-history-extension.json | BC Death Verified Flag History | active | 2025-02 | us | hl7 | Extension | 1 | ||
| fhir.ca-bc.client | R4 | StructureDefinition-bc-gender-history-extension.json | BC Gender History | active | 2025-02 | us | hl7 | Extension | 1 | ||
| fhir.ca-bc.client | R4 | StructureDefinition-bc-multiplebirth-history-extension.json | BC Multiple Birth History | active | 2025-02 | us | hl7 | Extension | 1 | ||
| hl7.fhir.cz.core | R4 | StructureDefinition-address-point-cz.json | Address location code according to the system RÚIAN (ČÚZK) | trial-use | 2 | 2026-08 | cz | hl7 | Extension | 1 | |
| hl7.fhir.cz.core | R4 | StructureDefinition-registering-provider-cz.json | Registering provider | trial-use | 2 | 2026-08 | cz | hl7 | Extension | 1 | |
| hl7.fhir.uv.fhir-for-fair | R4B | StructureDefinition-classifier.json | Classifier [Resource] | active | 2024-01 | uv | hl7 | Extension | 3 | ||
| hl7.eu.fhir.idea4rc | R4 | StructureDefinition-procedure-performedTiming.json | Performed Timing | draft | 2026-08 | eu | hl7 | Extension | |||
| hl7.eu.fhir.pcsp | R4 | StructureDefinition-procedure-performedTiming.json | Performed Timing | active | 2023-01 | eu | hl7 | Extension | 3 | ||
| hl7.fhir.uv.fhir-for-fair | R4B | StructureDefinition-subjectOther.json | Other Subjects [Resource] | active | 2024-01 | uv | hl7 | Extension | 3 | ||
| hl7.fhir.eu.extensions | R5 | StructureDefinition-medication-package-type.json | Medication: Package type | active | 2026-03 | eu | hl7 | Extension | 2 | ||
| au.gov.digitalhealth.hcpd | R4 | StructureDefinition-alternate-name.json | Alternate Name | active | 2026-07 | au | Extension | 1 | |||
| hl7.fhir.au.base | R4 | StructureDefinition-associated-healthcareservice.json | Associated Healthcare Service | deprecated | 1 | 2026-07 | au | hl7 | Extension | ||
| hl7.fhir.au.base | R4 | StructureDefinition-author-related-person.json | Author as a RelatedPerson | trial-use | 1 | 2026-07 | au | hl7 | Extension | 1 | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-no-fixed-address.json | No Fixed Address | trial-use | 2 | fhir | 2021-07 | uv | hl7 | Extension | |
| ca.infoway.io.core | R4 | StructureDefinition-no-fixed-address-ca-core.json | Patient No Fixed Address | trial-use | 2 | 2024-03 | ca | national | Extension | ||
| ca.on.oh.mha-pds | R4 | StructureDefinition.ca-on-mha-ext-nofixedaddress.json | Extension: No fixed address flag | active | 2022-08 | ca | hl7 | Extension | 3 | ||
| hl7.fhir.uv.lab-report | R4 | StructureDefinition-information-recipient.json | Information recipient | trial-use | 2 | oo | 2025-01 | uv | hl7 | Extension | 1 |
| hl7.fhir.cz.lab | R4 | StructureDefinition-information-recipient.json | Information recipient | draft | 2026-08 | cz | hl7 | Extension | 14 | ||
| hl7.fhir.au.base | R4 | StructureDefinition-information-recipient.json | Information Recipient | trial-use | 1 | 2026-07 | au | hl7 | Extension | 1 | |
| hl7.fhir.au.base | R4 | StructureDefinition-encounter-description.json | Encounter Description | deprecated | 1 | 2026-07 | au | hl7 | Extension | ||
| hl7.fhir.au.base | R4 | StructureDefinition-au-receivingfacility.json | HL7 V2 Receiving Facility | trial-use | 3 | 2026-07 | au | hl7 | Extension | 2 | |
| hl7.fhir.au.base | R4 | StructureDefinition-au-receivingapplication.json | HL7 V2 Receiving Application | trial-use | 3 | 2026-07 | au | hl7 | Extension | 2 | |
| hl7.fhir.au.base | R4 | StructureDefinition-encryption-certificate-pem-x509.json | Encryption Certificate PEM X509 | trial-use | 3 | 2026-07 | au | hl7 | Extension | 2 | |
| hl7.fhir.au.base | R4 | StructureDefinition-vaccine-serial-number.json | Vaccine Vial Serial Number | trial-use | 1 | 2026-07 | au | hl7 | Extension | 1 | |
| hl7.fhir.au.base | R4 | StructureDefinition-change-description.json | Change Description | trial-use | 1 | 2026-07 | au | hl7 | Extension | 1 | |
| hl7.fhir.au.base | R4 | StructureDefinition-medication-strength.json | Medication Strength | trial-use | 1 | 2026-07 | au | hl7 | Extension | ||
| hl7.fhir.au.base | R4 | StructureDefinition-medication-brand-name.json | Medication Brand Name | trial-use | 1 | 2026-07 | au | hl7 | Extension | ||
| hl7.fhir.au.base | R4 | StructureDefinition-medication-generic-name.json | Medication Generic Drug Name | trial-use | 1 | 2026-07 | au | hl7 | Extension | ||
| hl7.fhir.au.base | R4 | StructureDefinition-dispense-number.json | Dispense Number | trial-use | 2 | 2026-07 | au | hl7 | Extension | 1 | |
| hl7.fhir.au.base | R4 | StructureDefinition-subsidised-concurrent-supply.json | Subsidised Concurrent Supply | trial-use | 2 | 2026-07 | au | hl7 | Extension | 2 | |
| hl7.fhir.au.base | R4 | StructureDefinition-medication-long-term.json | Long Term | trial-use | 2 | 2026-07 | au | hl7 | Extension | 1 | |
| hl7.fhir.au.base | R4 | StructureDefinition-veteran-status.json | Australian Veteran Status | trial-use | 1 | 2026-07 | au | hl7 | Extension | 1 | |
| hl7.fhir.au.base | R4 | StructureDefinition-ethnicity.json | Ethnicity | trial-use | 0 | 2026-07 | au | hl7 | Extension | ||
| hl7.fhir.au.base | R4 | StructureDefinition-closing-the-gap-registration.json | Closing the Gap Registration | trial-use | 3 | 2026-07 | au | hl7 | Extension | 1 | |
| hl7.fhir.au.base | R4 | StructureDefinition-indigenous-status.json | Australian Indigenous Status | trial-use | 4 | 2026-07 | au | hl7 | Extension | 1 | |
| hl7.fhir.au.base | R4 | StructureDefinition-date-of-arrival.json | Date of Arrival in Australia | trial-use | 1 | 2026-07 | au | hl7 | Extension | 1 | |
| hl7.fhir.au.base | R4 | StructureDefinition-ahpraprofession-details.json | Ahpra Profession Details | deprecated | 1 | 2026-07 | au | hl7 | Extension | ||
| hl7.fhir.au.base | R4 | StructureDefinition-ahpraregistration-details.json | Ahpra Registration Details | deprecated | 1 | 2026-07 | au | hl7 | Extension | ||
| hl7.fhir.ca.baseline | R4 | structuredefinition-ext-rolestatus.json | Extension: RoleStatus | draft | 2024-08 | ca | hl7 | Extension | 1 | ||
| hl7.fhir.au.base | R4 | StructureDefinition-result-copies-to.json | Result Copies To | deprecated | 1 | 2026-07 | au | hl7 | Extension | ||
| hl7.fhir.au.ereq | R4 | StructureDefinition-au-erequesting-displaysequence.json | AU eRequesting Display Sequence | trial-use | 1 | 2026-07 | au | hl7 | Extension | 1 | |
| hl7.fhir.au.ereq | R4 | StructureDefinition-au-erequesting-fastingprecondition.json | AU eRequesting Fasting Precondition | trial-use | 1 | 2026-07 | au | hl7 | Extension | 1 | |
| hl7.fhir.au.base | R4 | StructureDefinition-address-identifier.json | Address Identifier | trial-use | 1 | 2026-07 | au | hl7 | Extension | 1 | |
| hl7.fhir.au.base | R4 | StructureDefinition-medication-type.json | Medication Type | trial-use | 2 | 2026-07 | au | hl7 | Extension | 5 | |
| hl7.fhir.au.base | R4 | StructureDefinition-contact-purpose.json | Contact Purpose | trial-use | 1 | 2026-07 | au | hl7 | Extension | 1 | |
| hl7.fhir.au.base | R4 | StructureDefinition-name-context.json | Name Context | trial-use | 1 | 2026-07 | au | hl7 | Extension | ||
| hl7.fhir.au.base | R4 | StructureDefinition-ihi-record-status.json | IHI Record Status | trial-use | 3 | 2026-07 | au | hl7 | Extension | 1 | |
| hl7.fhir.au.base | R4 | StructureDefinition-au-assigningauthority.json | HL7 V2 Assigning Authority | trial-use | 3 | 2026-07 | au | hl7 | Extension | 2 | |
| hl7.fhir.au.base | R4 | StructureDefinition-ihi-verified-date.json | IHI Verification Date | trial-use | 1 | 2026-07 | au | hl7 | Extension | 1 | |
| hl7.fhir.au.base | R4 | StructureDefinition-ihi-status.json | IHI Status | trial-use | 3 | 2026-07 | au | hl7 | Extension | 1 | |
| hl7.fhir.au.base | R4 | StructureDefinition-identifier-routability.json | Identifier Routability | trial-use | 2 | 2026-07 | au | hl7 | Extension | 2 | |
| hl7.fhir.au.base | R4 | StructureDefinition-date-accuracy-indicator.json | Date Accuracy Indicator | trial-use | 2 | 2026-07 | au | hl7 | Extension | 2 | |
| ee.fhir.base | R5 | StructureDefinition-ee-date-accuracy-indicator.json | EEBase Date Accuracy Indicator | active | 2025-11 | ee | hl7 | Extension | 1 | ||
| hl7.fhir.au.base | R4 | StructureDefinition-au-timezone.json | Australian Time Zone | deprecated | 1 | 2026-07 | au | hl7 | Extension | 2 | |
| hl7.fhir.uv.deqm | R4 | StructureDefinition-deqm-calculatedDate.json | DEQM Calculated Date Extension | trial-use | 4 | cqi | 2018-06 | uv | hl7 | Extension | 3 |
| hl7.fhir.us.davinci-deqm | R4 | StructureDefinition-extension-calculatedDate.json | DEQM Calculated Date Extension | trial-use | 4 | cqi | 2018-06 | us | hl7 | Extension | 3 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-target-feature-assertion.json | Target Feature Assertion | draft | 2 | fhir | 2022-08 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-feature-assertion.json | Feature Assertion | draft | 2 | fhir | 2022-08 | uv | hl7 | Extension | |
| ehealth4u.package | R4 | CYEHREXTPartofPractitionerRole.StructureDefinition.json | Cyprus EHR Extension: PartOfPractitionerRole | draft | Extension | 2 | |||||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-encounter-recordLinkage.json | Encounter Record Linkage | trial-use | 1 | pa | 2025-11 | uv | hl7 | Extension | |
| nictiz.fhir.nl.r4.nl-core | R4 | ext-EdifactReferenceNumber.json | ext EdifactReferenceNumber | draft | nl | Extension | 1 | ||||
| hl7-france-fhir.administrative-2022 | R4 | fr-contact-identifier-R4.structuredefinition.json | FrPatientContactIdentifier | active | 2019-07 | Extension | 1 | ||||
| fhir.r4.wales.test | R4 | Extension-DataStandardsWales-DocumentErrorStatus.json | Extension Data Standards Wales Document Error Status | draft | 2025-09 | us | hl7 | Extension | 1 | ||
| ihe.iti.mhd | R4 | StructureDefinition-ihe-full-text-search-match-snippet.json | Full-Text Search Match Snippet | active | 2026-06 | uv | ihe | Extension | 2 | ||
| hl7.fhir.us.ecr.r4b | R4B | StructureDefinition-us-ph-initiation-reason-extension.json | US Public Health Initiation Reason Extension | active | pher | 2024-10 | us | hl7 | Extension | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-servicerequest-order-callback-phone-number.json | ServiceRequest Order Callback Phone Number | trial-use | 0 | oo | 2023-12 | uv | hl7 | Extension | |
| ihe.iti.mhd | R4 | StructureDefinition-ihe-full-text-search-match-total-hits.json | Full-Text Search Match Total Hits | active | 2026-06 | uv | ihe | Extension | 2 | ||
| hl7.fhir.us.carin-rtpbc | R4 | StructureDefinition-rtpbc-benefitRestriction.json | RTPBC benefitRestriction Extension | trial-use | 1 | phx | 2020-05 | us | hl7 | Extension | 2 |
| hl7.fhir.us.carin-rtpbc | R4 | StructureDefinition-rtpbc-relatedCoverage.json | RTPBC relatedCoverage Extension | trial-use | 1 | phx | 2026-02 | us | hl7 | Extension | 2 |
| hl7.fhir.us.carin-rtpbc | R4 | StructureDefinition-rtpbc-nextAvailableFillDate.json | RTPBC nextAvailableFillDate Extension | trial-use | 1 | phx | 2025-12 | us | hl7 | Extension | 2 |
| hl7.fhir.us.carin-rtpbc | R4 | StructureDefinition-rtpbc-formularyStatus.json | RTPBC formularyStatus Extension | trial-use | 1 | phx | 2025-10 | us | hl7 | Extension | 2 |
| hl7.fhir.us.carin-rtpbc | R4 | StructureDefinition-rtpbc-preferenceLevel.json | RTPBC preferenceLevel Extension | trial-use | 1 | phx | 2025-12 | us | hl7 | Extension | 2 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-valueset-expand-group.json | ValueSet Expand Group | deprecated | 1 | vocab | 2019-10 | uv | hl7 | Extension | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-valueset-parameter.json | ValueSet Parameter Declaration | informative | 0 | fhir | 2026-07 | uv | hl7 | Extension | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-binding-parameter.json | Binding Parameter Declaration | informative | 0 | fhir | 2026-07 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-valueset-supplement.json | ValueSet Supplement | trial-use | 3 | vocab | 2020-12 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-obligations-profile.json | Obligations Profile | draft | 0 | fhir | 2022-08 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-capabilitystatement-search-parameter-combination.json | CapabilityStatement Search Parameter Combination | trial-use | 3 | fhir | 2022-08 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-capabilitystatement-search-parameter-use.json | CapabilityStatement Search Parameter Use | trial-use | 2 | fhir | 2022-08 | uv | hl7 | Extension | |
| umcterminologies.org | R5 | StructureDefinition-administration-method.json | Pharmaceutical dose form - AdministrationMethod | active | 2026-08 | uv | Extension | 1 | |||
| umcterminologies.org | R5 | StructureDefinition-basic-dose-form.json | Pharmaceutical dose form - BasicDoseForm | active | 2026-08 | uv | Extension | 1 | |||
| umcterminologies.org | R5 | StructureDefinition-intended-site.json | Pharmaceutical dose form - IntendedSite | active | 2026-08 | uv | Extension | 1 | |||
| umcterminologies.org | R5 | StructureDefinition-release-characteristics.json | Pharmaceutical dose form - ReleaseCharacteristics | active | 2026-08 | uv | Extension | 1 | |||
| tiplu.maia.schnittstellendefinition | R4 | StructureDefinition-MaiaRiskAssessmentDefinitionDescriptionExtension.json | MaiaRiskAssessmentDefinition Description Extension | active | 2025-04 | Extension | 1 | ||||
| tiplu.maia.schnittstellendefinition | R4 | StructureDefinition-MaiaRiskAssessmentDefinitionNameExtension.json | MaiaRiskAssessmentDefinition Name Extension | active | 2025-04 | Extension | 1 | ||||
| hl7se.fhir.base | R4 | StructureDefinition-SEBaseAddressPersonExtension.json | SE extension for official address types | active | 2025-05 | se | hl7 | Extension | 2 | ||
| umcterminologies.org | R5 | StructureDefinition-parent-phpid.json | Parent PhPID | active | 2026-08 | uv | Extension | 1 | |||
| tiplu.maia.schnittstellendefinition | R4 | StructureDefinition-MaiaRiskAssessmentDefinitionSeverity.json | MaiaRiskAssessmentDefinition Severity Extension | active | 2025-04 | Extension | 1 | ||||
| hl7.fhir.essilux.core | R4 | ELCoreExtensionUsedfor.json | EL Core Extension Used For | active | 2023-05 | essilux | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-serviceassignment.json | CH ALIS Extension ServiceAssignment | active | 2026-06 | ch | hl7 | Extension | 2 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-sessionannexb.json | CH ALIS Extension SessionAnnexB | active | 2026-06 | ch | hl7 | Extension | 2 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-diagnosisconfidential.json | CH ALIS Extension DiagnosisConfidential | active | 2026-06 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-form.json | CH ALIS Extension Form | active | 2026-06 | ch | hl7 | Extension | 1 | ||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-patient-interpreterRequired.json | Interpreter required | active | 2026-08 | dk | Extension | 1 | |||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-itemnumber.json | CH ALIS Extension ItemNumber | active | 2026-06 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-orderdate.json | CH ALIS Extension OrderDate | active | 2026-06 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-orderid.json | CH ALIS Extension OrderID | active | 2026-06 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-parameterv40.json | CH ALIS Extension ParameterV40 | active | 2026-06 | ch | hl7 | Extension | 2 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-refitemnumber.json | CH ALIS Extension RefItemNumber | active | 2026-06 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-sectioncode.json | CH ALIS Extension SectionCode | active | 2026-06 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-serviceitemerrorcode.json | CH ALIS Extension ServiceItemErrorCode | active | 2026-06 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-sessionid.json | CH ALIS Extension SessionID | active | 2026-06 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-tpvalue.json | CH ALIS Extension TPValue | active | 2026-06 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-alis-connect | R4 | StructureDefinition-ch-alis-connect-ext-termination.json | CH ALIS Extension Termination | active | 2026-06 | ch | hl7 | Extension | 1 | ||
| ca.infoway.io.ca-ext-reg | R4 | CurrentWaitTime.json | HealthcareService Current WaitTime | draft | Extension | 1 | |||||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-ServiceRequestMethod.json | Extension UK Core Service Request Method | retired | 2022-05 | us | hl7 | Extension | |||
| ca.infoway.io.ca-ext-reg | R4 | AcceptingNewPatients.json | Location Accepting New Patients | draft | Extension | 4 | |||||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-SourceOfServiceRequest.json | Extension UK Core Source Of Service Request | active | 2022-12 | us | hl7 | Extension | 2 | ||
| hl7.fhir.uv.application-feature | R5 | StructureDefinition-feature.json | Feature | trial-use | 2 | fhir | 2026-06 | uv | hl7 | Extension | 1 |
| il.core.fhir.r4 | R4 | StructureDefinition-ext-device-dispense-when-handed-over.json | Ext: ILCore Device Dispense When Handed Over | active | 2026-06 | il | national | Extension | 1 | ||
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-identifier-status.json | NDH Identifier Status | trial-use | 4 | pa | 2017-11 | us | hl7 | Extension | 10 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-logo.json | NDH Logo | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 3 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-endpoint-reference.json | NDH Endpoint Reference | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 2 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-newpatients-characteristics.json | NDH New Patients Characteristics | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-rating-details.json | NDH Rating Details | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-endpoint-environment-type.json | NDH Endpoint EnvironmentType | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-org-alias-type.json | NDH Organization Alias Type | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-accessibility.json | NDH Accessibility | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 2 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-security-details.json | NDH Security Details | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-verification-status.json | NDH Verification Status | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 11 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-dynamicRegistration.json | NDH Dynamic Registration | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-location-reference.json | NDH Location Reference | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 3 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-endpointAccessControlMechanism.json | NDH Endpoint Access Control Mechanism | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-delivery-method.json | NDH Delivery Method | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-implementation-guide.json | NDH Implementation Guide Supported | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-communication-proficiency.json | NDH Communication Proficiency | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-service-or-program-requirement.json | NDH HealthcareService or Program Requirement | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-requiredDocument.json | NDH Required Document | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-network-reference.json | NDH Network Reference | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 2 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-endpoint-rank.json | NDH Endpoint Rank | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-fundingSource.json | NDH Funding Source | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 2 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-insuranceplan-reference.json | NDH InsurancePlan Reference | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-org-description.json | NDH Org Description | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-secureExchangeArtifacts.json | NDH Secure Exchange Artifacts | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-practitioner-qualification-scope.json | NDH Practitioner Qualification Scope where valid and status | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-endpoint-ihe-specific-connection-type.json | NDH Endpoint IHE Specific Connection Type | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-ndh-age-range.json | NDH Age Range | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-ndh-age-group.json | NDH Age Group | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-associatedServers.json | NDH Associated Servers | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-newpatients.json | NDH New Patients | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 3 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-rating.json | NDH Rating | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 4 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-language-speak.json | NDH Language Speak | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 3 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-paymentAccepted.json | NDH Payment Accepted | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 2 |
| hl7.fhir.us.ndh | R4 | StructureDefinition-base-ext-org-alias-period.json | NDH Organization Alias Period | trial-use | 4 | pa | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-BackgroundColor-extension.json | Background Color | trial-use | 2 | claims | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-ForegroundColor-extension.json | Foreground Color | trial-use | 2 | claims | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-HighlightColor-extension.json | Highlight Color | trial-use | 2 | claims | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-QRCode-extension.json | QR Code | trial-use | 2 | claims | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-Barcode-extension.json | Barcode | trial-use | 2 | claims | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-Logo-extension.json | Logo | trial-use | 2 | claims | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-SupportingImage-extension.json | Supporting image | trial-use | 2 | claims | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-messageheader-response-request.json | MessageHeader Response Request | trial-use | 3 | inm | 2017-01 | uv | hl7 | Extension | |
| hl7.fhir.us.insurance-card | R4 | StructureDefinition-C4DIC-AdditionalCardInformation-extension.json | Additional Insurance Card Information | trial-use | 2 | claims | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.uv.fhir-for-fair | R4B | StructureDefinition-relatedArtifactResourceReference.json | ResourceReference [RelatedArtifact] | active | 2024-01 | uv | hl7 | Extension | 1 | ||
| hl7.fhir.uv.fhir-for-fair | R4B | StructureDefinition-relatedArtifactType.json | Type [RelatedArtifact] | active | 2024-01 | uv | hl7 | Extension | 1 | ||
| hl7.fhir.uv.fhir-for-fair | R4B | StructureDefinition-relatedArtifactClassifier.json | Classifier [RelatedArtifact] | active | 2024-01 | uv | hl7 | Extension | 1 | ||
| ndhm.in | R4 | StructureDefinition-Claim-SupportingInfoRequirement.json | ClaimSupportingInfoRequirement | draft | 2025-03 | in | national | Extension | 1 |
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