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| Package | Version | Identity | Name/Title | Status | FMM | WG | Date | Realm | Auth | DataType | Usage # |
|---|---|---|---|---|---|---|---|---|---|---|---|
| laniado.test.fhir.r4 | R4 | StructureDefinition-ext-practitioner-role-primary-location-ind.json | Extension: Practitioner Role Primary Location Indication | draft | Extension | 1 | |||||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-organizationaffiliation-primaryInd.json | Organization Primary Indicator | trial-use | 3 | pa | 2020-12 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-practitionerrole-primaryInd.json | PractitionerRole Primary Indicator | trial-use | 3 | pa | 2020-12 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-patient-cadavericDonor.json | Patient Is-Cadaveric Donor | trial-use | 3 | pa | 2020-12 | uv | hl7 | Extension | |
| rlfhir.lab | R4 | Extension_RL_MedicationRequest_ConsegnaPaziente.json | RLMedicationRequestConsegnaPaziente | active | Extension | 1 | |||||
| rlfhir.lab | R4 | Extension_RL_DeviceRequest_ConsegnaPaziente.json | RLDeviceRequestConsegnaPaziente | active | Extension | ||||||
| rlfhir.lab | R4 | Extension_RL_MedicationRequest_ConsegnaOssigenoDomicilio.json | RLMedicationRequestConsegnaOssigenoDomicilio | active | Extension | 1 | |||||
| rlfhir.lab | R4 | Extension_RL_DeviceRequest_PrescrizioneElettronica.json | RLDeviceRequestPrescrizioneElettronica | active | Extension | 1 | |||||
| rlfhir.lab | R4 | Extension_RL_MedicationRequest_PrescrizioneElettronica.json | RLMedicationRequestPrescrizioneElettronica | active | Extension | ||||||
| fhir.ca-bc.provider | R4 | StructureDefinition-bc-organization-pci-extension.json | Extension to indicate if the clinic is part of the Primary Care Initiative. | active | 2025-02 | us | hl7 | Extension | 1 | ||
| rlfhir.lab | R4 | Extension_RL_Patient_GeneralPractitioner_MedicoSostituto.json | RLPatientGeneralPractitionerMedicoSostituto | draft | Extension | 1 | |||||
| dguv.enla | R4 | DGUV_ENLA_EX_FlexAU.json | Flexibel geschätzte Arbeitsunfähigkeitsdauer (Erweiterung) | draft | Extension | 1 | |||||
| hl7.fhir.us.illTraveler | R4 | StructureDefinition-flight-details.json | Flight Details | draft | 2024-03 | us | hl7 | Extension | 3 | ||
| nictiz.fhir.nl.stu3.geboortezorg | R3 | bc-riskassessment-focus.json | bc-riskasssessment-focus | active | nl | Extension | |||||
| nictiz.fhir.nl.stu3.zib2017 | R3 | observation-focusSTU3.json | Backported Observation.focus for FHIR STU3 | active | nl | hl7 | Extension | 16 | |||
| nictiz.fhir.nl.stu3.geboortezorg | R3 | bc-familymemberhistory-contributedToDeath.json | bc-familymemberhistory-contributedToDeath | active | nl | Extension | 1 | ||||
| nexuzhealth.fhir.r4 | R4 | NxhExtMocFollowUp.StructureDefinition.json | NxhExtMocFollowUp | active | 2023-09 | Extension | 1 | ||||
| ca.on.oh.erec | R4 | task-ext-PatientNeedsToBeSeen.json | PatientNeedsToBeSeen | draft | ca | national | Extension | 1 | |||
| ca.infoway.io.core | R4 | StructureDefinition-ext-task-patientNeedsToBeSeen.json | PatientNeedsToBeSeen | trial-use | 2 | ca | national | Extension | 1 | ||
| ca.on.phsd.r4-alpha | R4 | SubcriptioncustomChannelTypeExt.StructureDefinition.json | SubcriptioncustomChannelType | draft | Extension | ||||||
| ca.on.pubsub.r4 | R4 | SubcriptioncustomChannelType.json | SubcriptioncustomChannelType | draft | ca | Extension | |||||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-maxSize.json | Max size | trial-use | 3 | fhir | 2014-04 | uv | hl7 | Extension | |
| hl7.fhir.uv.ae-research-backport-ig | R4 | StructureDefinition-ae-grade.json | Adverse Event Grade | trial-use | 2 | brr | 2024-04 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.ae-research-ig | R5 | StructureDefinition-ae-grade.json | Adverse Event Grade | trial-use | 2 | brr | 2024-04 | uv | hl7 | Extension | 2 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-structuredefinition-hierarchy.json | StructureDefinition Hierarchy | trial-use | 3 | fhir | 2014-01 | uv | hl7 | Extension | |
| nictiz.fhir.nl.stu3.zib2017 | R3 | episodeOfCare-Title.json | EpisodeOfCare-Title | active | nl | hl7 | Extension | 1 | |||
| nictiz.fhir.nl.stu3.zib2017 | R3 | episodeOfCare-DateFirstEncounter.json | EpisodeOfCare-DateFirstEncounter | active | nl | hl7 | Extension | 1 | |||
| nictiz.fhir.nl.stu3.zib2017 | R3 | episodeOfCare-DateLastEncounter.json | EpisodeOfCare-DateLastEncounter | active | nl | hl7 | Extension | 1 | |||
| hl7.fhir.uv.sdc | R4 | StructureDefinition-sdc-questionnaire-lookupQuestionnaire.json | Lookup questionnaire | trial-use | 4 | fhir | 2026-03 | uv | hl7 | Extension | 2 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-questionnaire-fhirType.json | Questionnaire FHIR Type | trial-use | 3 | fhir | 2013-07 | uv | hl7 | Extension | |
| hl7.fhir.uv.sdc | R4 | StructureDefinition-sdc-questionnaire-columnCount.json | Number of columns for child item layout | trial-use | 4 | fhir | 2026-03 | uv | hl7 | Extension | 1 |
| ca.on.oh.erec | R4 | ext-referral-identifier.json | ReferralIdentifier | draft | ca | national | Extension | 1 | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-questionnaire-sliderStepValue.json | Questionnaire Slider Step Value | trial-use | 3 | fhir | 2013-07 | uv | hl7 | Extension | |
| hl7.fhir.uv.sdc | R4 | StructureDefinition-sdc-questionnaire-keyboard.json | Keyboard Type Extension | trial-use | 1 | fhir | 2026-03 | uv | hl7 | Extension | 2 |
| kl.dk.fhir.ffbmessaging | R4 | StructureDefinition-kl-messaging-ffb-guardianshipForm.json | GuardianshipForm | active | 2023-08 | dk | Extension | 1 | |||
| br.gov.saude.ccu | R4 | StructureDefinition-detalhar.json | Detalhe | draft | 2024-07 | br | Extension | ||||
| nhs.fhir.lv.vvis | R4B | VVIS-ONKO-Procedure-FractionsReceived-V1.Extension.StructureDefinition.json | FractionsReceivedExtension | active | Extension | 1 | |||||
| nexuzhealth.fhir.r4 | R4 | NxhExtMedicationFree.StructureDefinition.json | NxhExtMedicationFree | active | 2022-09 | Extension | 2 | ||||
| lt.hl7.fhir.lifestyle | R5 | StructureDefinition-activity-other-description-ext-lt-lifestyle.json | Other Activity Description | draft | 2026-03 | Extension | 1 | ||||
| de.gematik.epa.medication | R4 | StructureDefinition-medication-ingredient-amount-extension.json | MedicationIngredientAmountExtensions | active | 2025-12 | de | Extension | 3 | |||
| pc.ig | R4 | StructureDefinition-post-event-description.json | Event description | draft | 2026-02 | Extension | 1 | ||||
| hl7.fhir.cz.amb | R4 | StructureDefinition-cz-ext-encounter-note.json | Encounter note (CZ) | draft | 2026-02 | cz | hl7 | Extension | 1 | ||
| portuguese.core.guide | R4B | ParishPTExtension.StructureDefinition.json | Parish PT Extension | active | 2024-05 | Extension | 1 | ||||
| basisprofil.tiplu.de.r4.dev | R4 | StructureDefinition-FreiZurFakturierung.json | FreiZurFakturierung | active | 2025-05 | Extension | |||||
| de.gevko.emdaf | R4 | EMDAF_EX_Freitext_Parameter.json | Freitext Parameter | active | 2022-11 | Extension | 1 | ||||
| de.gevko.emdaf | R4 | EMDAF_EX_Annotation_Comment.json | Annotation Comment | active | 2022-11 | Extension | 1 | ||||
| de.gevko.emdaf | R4 | EMDAF_EX_Therapie_Intention_Freitext.json | Therapie Intention Freitext | active | 2022-11 | Extension | 1 | ||||
| de.gevko.emdaf | R4 | EMDAF_EX_Behandlungsgrund_Freitext.json | Behandlungsgrund Freitext | active | 2022-11 | Extension | 1 | ||||
| de.gevko.emdaf | R4 | EMDAF_EX_Medication_Ingredient_Form.json | Freitextliche Form eines Bestandteils einer Rezeptur | active | 2022-08 | Extension | |||||
| de.gevko.emdaf | R4 | EMDAF_EX_Medication_Ingredient_Amount.json | Freitextliche Menge eines Bestandteils einer Rezeptur | active | 2022-08 | Extension | |||||
| de.gevko.emdaf | R4 | EMDAF_EX_Freitexteintrag.json | Freitexteintrag | active | 2022-11 | Extension | 1 | ||||
| tewhatuora.rheumaticfever | R4 | StructureDefinition-rf-medicationrequest-medicationfrequency.json | Frequency of rheumatic fever medication | draft | 2026-02 | national | Extension | 1 | |||
| fmcna.caredata.fhir.ig.r4 | R4 | StructureDefinition-fmc-additional-healthplans-extn.json | Extension: Fresenius Additional Health Plans Expected Extension | active | Extension | 1 | |||||
| fmcna.caredata.fhir.ig.r4 | R4 | StructureDefinition-fmc-tpa-code-extn.json | Extension: Fresenius TPA Code Extension | active | Extension | 1 | |||||
| fmcna.caredata.fhir.ig.r4 | R4 | StructureDefinition-fmc-fin-clearance-extn.json | Extension: Fresenius financial clearance Extension | active | Extension | 1 | |||||
| pc.ig | R4 | StructureDefinition-variant-occurrence-variant-feature.json | Variant feature | draft | 2026-02 | Extension | 1 | ||||
| fi.kela.kanta.gen.r4.toimintakyky | R4 | FunctionalLimitation.StructureDefinition.json | Observation Functional Limitation extension | draft | 2025-11 | Extension | 1 | ||||
| fhir.org.nz.ig.base | R4 | StructureDefinition-funded-programme.json | Funded Healthcare Programme | active | 1 | 2021-02 | us | hl7 | Extension | 3 | |
| hl7.org.nz.fhir.ig.formulary | R4B | StructureDefinition-nzf-funding-rule.json | FundingRule | draft | 2026-03 | nz | hl7 | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-condition-dueTo.json | Condition Due To | trial-use | 3 | pc | 2015-02 | uv | hl7 | Extension | |
| hl7.fhir.us.eltss.r4 | R4 | StructureDefinition-eltss-dueTo.json | ELTSS-dueTo | trial-use | 2 | hsswg | 2019-02 | us | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-condition-occurredFollowing.json | Condition Occurred Following | trial-use | 3 | pc | 2015-02 | uv | hl7 | Extension | |
| de.gematik.dipag | R4 | StructureDefinition-DiPagInvoiceBasedOn.json | Digitale Patientenrechnung BasedOn Extension | active | 2026-03 | de | Extension | 1 | |||
| de.gematik.dipag | R4 | StructureDefinition-DiPagInvoiceReplaces.json | Digitale Patientenrechnung Replaces Extension | active | 2026-03 | de | Extension | 1 | |||
| rki.demis.common | R4 | StructureDefinition-Salutation.json | Anrede | active | 2025-02 | de | Extension | 2 | |||
| rki.emiga.common | R4 | StructureDefinition-Salutation.json | Anrede | active | 2024-11 | Extension | 1 | ||||
| rki.emiga.common | R4 | StructureDefinition-LandOfBirth.json | Geburtsland | active | 2025-09 | Extension | 1 | ||||
| nictiz.fhir.nl.stu3.iwlz | R3 | iwlz-ext-Indicatie-Meerzorg.json | iwlz ext Indicatie Meerzorg | draft | nl | Extension | 1 | ||||
| hl7.fhir.be.core | R4 | StructureDefinition-be-ext-gender-at-birth.json | BeExtGenderAtBirth | draft | 2026-02 | be | hl7 | Extension | 1 | ||
| pc.ig | R4 | StructureDefinition-target-region-hgnc-id.json | HGNC ID | draft | 2026-02 | Extension | 1 | ||||
| pc.ig | R4 | StructureDefinition-target-region-hgnc-symbol.json | HGNC symbol | draft | 2026-02 | Extension | 1 | ||||
| medcom.fhir.dk.core | R4 | StructureDefinition-medcom-observation-value-attachment-extension.json | MedCom Observation ValueAttachment Extension | active | 2026-02 | dk | Extension | 1 | |||
| hl7.fhir.uv.genomics-reporting | R4 | StructureDefinition-genomic-study-analysis-device.json | Genomic Study Analysis Device | trial-use | 2 | cg | 2026-01 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.genomics-reporting | R4 | StructureDefinition-genomic-study-analysis-input.json | Genomic Study Analysis Input | trial-use | 2 | cg | 2026-01 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.genomics-reporting | R4 | StructureDefinition-genomic-study-analysis-output.json | Genomic Study Analysis Output | trial-use | 2 | cg | 2026-01 | uv | hl7 | Extension | 1 |
| pc.ig | R4 | StructureDefinition-variant-occurrence-fusion-breakpoint.json | Fusion breakpoint | draft | 2026-02 | Extension | 1 | ||||
| portuguese.core.guide | R4B | GeolocationPTExtension.StructureDefinition.json | Geolocation PT Extension | active | 2024-02 | Extension | 1 | ||||
| basisprofil.tiplu.de.r4.dev | R4 | StructureDefinition-Geparkt.json | Geparkt | active | 2025-05 | Extension | |||||
| de.dktk.oncology | R4 | StructureDefinition-onco-core-Extension-GesamtbeurteilungResidualstatus.json | GesamtbeurteilungResidualstatus | active | Extension | 1 | |||||
| de.basisprofil.r4 | R4 | StructureDefinition-ruhender-leistungsanspruch.json | ExtensionGkvRuhenderLeistungsanspruch | active | 2025-12 | hl7 | Extension | 5 | |||
| de.dktk.oncology | R4 | StructureDefinition-onco-core-Extension-StellungZurOp.json | Stellung der Therapie zur Operation | active | 2019-07 | Extension | 2 | ||||
| de.dktk.oncology | R4 | StructureDefinition-onco-core-Extension-OPIntention.json | OPIntention | active | Extension | 1 | |||||
| de.dktk.oncology | R4 | StructureDefinition-onco-core-Extension-SystemischeTherapieProtokoll.json | SystemischeTherapieProtokoll | active | Extension | 1 | |||||
| de.basisprofil.r4 | R4 | StructureDefinition-kostenerstattung.json | ExtensionGkvKostenerstattung | active | 2025-12 | hl7 | Extension | 5 | |||
| de.dktk.oncology | R4 | StructureDefinition-onco-core-Extension-TNMcpuPraefix.json | TNMcpuPraefix | active | Extension | 2 | |||||
| de.dktk.oncology | R4 | StructureDefinition-onco-core-Extension-Fernmetastasen.json | Fernmetastasen | active | Extension | 1 | |||||
| de.gematik.ti | R4 | StructureDefinition-extension-http-method.json | HTTP Method for FHIR Operation | active | 2025-09 | de | Extension | 2 | |||
| de.basisprofil.r4 | R4 | StructureDefinition-zuzahlungsstatus.json | ExtensionGkvZuzahlungsstatus | active | 2025-12 | hl7 | Extension | 7 | |||
| de.gematik.erezept-workflow.r4 | R4 | StructureDefinition-GEM-ERP-EX-RedeemCode.json | DiGA-Einlösecode | active | 2025-12 | Extension | 1 | ||||
| de.gematik.ti | R4 | StructureDefinition-extension-base-url.json | Base URL der FHIR-API | active | 2025-09 | de | Extension | 1 | |||
| de.dktk.oncology | R4 | StructureDefinition-onco-core-Extension-SYSTIntention.json | SYSTIntention | active | Extension | 2 | |||||
| de.basisprofil.r4 | R4 | StructureDefinition-dmp-kennzeichen.json | ExtensionGkvDmpKennzeichen | active | 2025-12 | hl7 | Extension | 6 | |||
| de.basisprofil.r4 | R4 | StructureDefinition-versichertenart.json | Versichertenart GKV | active | 2025-12 | hl7 | Extension | 9 | |||
| de.basisprofil.r4 | R4 | StructureDefinition-besondere-personengruppe.json | ExtensionGkvBesonderePersonengruppe | active | 2025-12 | hl7 | Extension | 8 | |||
| de.dktk.oncology | R4 | StructureDefinition-onco-core-Extension-LokaleResidualstatus.json | LokaleResidualstatus | active | Extension | 1 | |||||
| nexuzhealth.fhir.r4 | R4 | NxhExtDiscriptionWithLanguage.StructureDefinition.json | NxhExtDiscriptionWithLanguage | draft | 2023-12 | Extension | 2 | ||||
| hl7.fhir.us.pco | R4 | StructureDefinition-pco-goal-attainment-scaling.json | Goal Attainment Scaling Extension | draft | 2 | pc | 2026-03 | us | hl7 | Extension | 1 |
| ltsi.fhir.oncofair | R5 | StructureDefinition-histologygrade.json | Histology | active | 2025-11 | Extension | 1 | ||||
| nexuzhealth.fhir.r4 | R4 | NxhExtTNMDifferentiation.StructureDefinition.json | NxhExtTNMDifferentiation | active | 2023-09 | Extension | 1 | ||||
| portuguese.core.guide | R4B | ProfessionalGradePTExtension.StructureDefinition.json | Professional Grade PT Extension | active | 2024-05 | Extension | 1 | ||||
| br.go.ses.reds-go | R4 | StructureDefinition-BRQualidadeCadastroIndividuo-1.0.json | Qualidade do Cadastro do Indivíduo | active | 2020-03 | br | Extension | 1 | |||
| nhs.fhir.lv.vvis | R4B | VVIS-ONKO-Procedure-GrayUnitsReceived-V1.Extension.StructureDefinition.json | GrayUnitsReceivedExtension | active | Extension | 1 | |||||
| de.nfdi4health.mds | R4 | StructureDefinition-nfdi4health-ex-mds-study-interventional.json | NFDI4Health EX MDS Study Interventional | draft | Extension | 1 | |||||
| de.nfdi4health.mds | R4 | StructureDefinition-nfdi4health-ex-mds-study-non-interventional.json | NFDI4Health EX MDS Study Non Interventional | draft | Extension | 1 | |||||
| de.nfdi4health.mds | R4 | StructureDefinition-nfdi4health-ex-mds-name-type.json | NFDI4Health EX MDS Name Type | draft | Extension | 1 | |||||
| de.nfdi4health.mds | R4 | StructureDefinition-nfdi4health-ex-mds-library-population.json | NFDI4Health EX MDS Library Population | draft | Extension | 1 | |||||
| de.nfdi4health.mds | R4 | StructureDefinition-nfdi4health-ex-mds-descriptions.json | NFDI4Health EX MDS Descriptions | draft | Extension | 4 | |||||
| de.nfdi4health.mds | R4 | StructureDefinition-nfdi4health-ex-mds-groups-of-diseases.json | NFDI4Health EX MDS Study Type | draft | Extension | 2 | |||||
| de.nfdi4health.mds | R4 | StructureDefinition-nfdi4health-ex-mds-study-masking.json | NFDI4Health EX MDS Study Masking | draft | Extension | 1 | |||||
| de.nfdi4health.mds | R4 | StructureDefinition-nfdi4health-ex-mds-study-sampling.json | NFDI4Health EX MDS Study Sampling | draft | Extension | 1 | |||||
| de.nfdi4health.mds | R4 | StructureDefinition-nfdi4health-ex-mds-study-type.json | NFDI4Health EX MDS Study Type | draft | Extension | 1 | |||||
| de.nfdi4health.mds | R4 | StructureDefinition-nfdi4health-ex-mds-record-linkage.json | NFDI4Health EX MDS Record Linkage | draft | 2024-12 | Extension | 2 | ||||
| hl7.fhir.us.davinci-deqm | R4 | StructureDefinition-extension-reporterGroup.json | DEQM Reporter Group Extension | trial-use | 4 | cqi | 2018-06 | us | hl7 | Extension | 4 |
| csiro.stars | R5 | StructureDefinition-patient-age-grouping.json | Patient Age Grouping | active | 2025-10 | Extension | 1 | ||||
| de.gevko.emdaf | R4 | EMDAF_EX_Grund_Nichtgabe_Medikation_Freitext.json | Grund für Nichtgabe der Medikation | active | 2022-11 | Extension | 1 | ||||
| elga.moped | R5 | StructureDefinition-moped-ext-ReasonForNonPayment.json | Grund warum keine Zahlung erfolgte | draft | 2026-03 | Extension | 1 | ||||
| basisprofil.tiplu.de.r4.dev | R4 | StructureDefinition-BGAbrechnungsTyp.json | BGAbrechnungsTyp | active | 2025-05 | Extension | 1 | ||||
| ig-ee-medication-scheme | R5 | StructureDefinition-ee-tis-grouped-items.json | ExtensionEETISGroupedItems | draft | 2023-10 | ee | Extension | 1 | |||
| smart.who.int.trust-phw | R4 | StructureDefinition-SelectiveDisclosure.json | SelectiveDisclosure | active | 2026-01 | uv | who | Extension | 6 | ||
| br.gov.saude.ccu | R4 | StructureDefinition-extension-genero.json | Gênero | draft | 2024-07 | br | Extension | 1 | |||
| hl7.at.fhir.core.r5 | R5 | StructureDefinition-at-core-ext-address-additionalInformation.json | Address Additional Information | active | 2026-03 | hl7 | Extension | 1 | |||
| hl7.at.fhir.gkl.ig-tooling | R4 | StructureDefinition-at-core-ext-address-additionalInformation.json | Address Additional Information | draft | 2025-10 | hl7 | Extension | 1 | |||
| hl7.at.fhir.core.r4 | R4 | StructureDefinition-at-core-ext-address-additionalInformation.json | Address Additional Information | active | 2025-01 | hl7 | Extension | 1 | |||
| hl7.at.fhir.core.r5 | R5 | StructureDefinition-at-core-ext-gender-administrativeGenderAddition.json | Administrative Gender Addition | active | 2026-03 | hl7 | Extension | 2 | |||
| hl7.at.fhir.core.r4 | R4 | StructureDefinition-at-core-ext-gender-administrativeGenderAddition.json | Administrative Gender Addition | active | 2025-01 | hl7 | Extension | 2 | |||
| hl7.at.fhir.core.r5 | R5 | StructureDefinition-at-core-ext-valueset-systemoid.json | System OID | active | 2026-03 | hl7 | Extension | 1 | |||
| hl7.at.fhir.core.r4 | R4 | StructureDefinition-at-core-ext-valueset-systemoid.json | System OID | active | 2025-01 | hl7 | Extension | 1 | |||
| hl7.at.fhir.core.r5 | R5 | StructureDefinition-at-core-ext-address-municipalityCode.json | Address Municipality Code | active | 2026-03 | hl7 | Extension | 1 | |||
| hl7.at.fhir.core.r4 | R4 | StructureDefinition-at-core-ext-address-municipalityCode.json | Address Municipality Code | active | 2025-01 | hl7 | Extension | 1 | |||
| hl7.at.fhir.gkl.ig-tooling | R4 | StructureDefinition-at-core-ext-patient-religion.json | Patient Religion | draft | 2025-10 | hl7 | Extension | 1 | |||
| hl7.at.fhir.core.r4 | R4 | StructureDefinition-at-core-ext-patient-religion.json | Patient Religion | active | 2025-01 | hl7 | Extension | 1 | |||
| ca.on.health.idms | R5 | IDMS-EXTENSION-QUESTIONNAIRE-MORE-INFO.json | IDMS Questionniare - MoreInfo | active | Extension | 1 | |||||
| hl7.fhir.uv.ebm | R6 | StructureDefinition-evidence-variable-handling-detail.json | EvidenceVariableHandlingDetail | trial-use | 1 | cds | 2026-03 | uv | hl7 | Extension | 1 |
| synapxe.hsar | R4B | extension-HealthPlan-healthplanNoteType.json | extension-HealthPlan-healthplanNoteType | active | 2019-10 | Extension | 2 | ||||
| ee.fhir.spd | R5 | StructureDefinition-ee-tis-tht-code.json | ExtensionEETISTHTCode | draft | 2026-03 | Extension | 1 | ||||
| ca.on.oh.corhealth | R4 | StructureDefinition-corhealth-healthcareservice-period-ext.json | HealthcareService Period Extension | active | Extension | 2 | |||||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-questionnaire-helpText.json | Help text | active | 2026-03 | dk | Extension | 1 | |||
| de.gevko.emdaf | R4 | EMDAF_EX_Medication_Herstellungsanweisung.json | Herstellungsanweisung | active | 2022-08 | Extension | |||||
| elga.moped | R5 | StructureDefinition-moped-ext-fondsrelevanz.json | Fondsrelevanz | draft | 2026-03 | Extension | 1 | ||||
| elga.moped | R5 | StructureDefinition-moped-ext-AbrechnungsRelevanz.json | Medizinische Leistung - Abrechnungsrelevanz | draft | 2026-03 | Extension | 1 | ||||
| kbv.mio.kh-entlassbrief | R4 | KBV_EX_MIO_KHE_Special_Approval.json | KBV_EX_MIO_KHE_Special_Approval | draft | Extension | 1 | |||||
| kbv.mio.kh-entlassbrief | R4 | KBV_EX_MIO_KHE_Amount.json | KBV_EX_MIO_KHE_Amount | draft | Extension | 1 | |||||
| kbv.mio.kh-entlassbrief | R4 | KBV_EX_MIO_KHE_Discharge_Management_Performed.json | KBV_EX_MIO_KHE_Discharge_Management_Performed | draft | Extension | 1 | |||||
| rki.emiga.vzd | R4 | StructureDefinition-InekPostalAddress.json | IneK Postalische Addresse | active | 2026-02 | Extension | 1 | ||||
| fhir.ph.core | R4 | StructureDefinition-educational-attainment.json | Educational Attainment | draft | 2026-03 | us | hl7 | Extension | 1 | ||
| PHCDI | R4 | StructureDefinition-EducationalAttainment.json | Educational Attainment | draft | 2026-02 | Extension | 1 | ||||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-structuredefinition-display-hint.json | StructureDefinition Display Hint | trial-use | 3 | fhir | 2014-01 | uv | hl7 | Extension | |
| de.gevko.emdaf | R4 | EMDAF_EX_Einnahmehinweis.json | Einnahmehinweis | active | 2022-11 | Extension | 1 | ||||
| de.gevko.emdaf | R4 | EMDAF_EX_Kommentar_LE.json | Kommentarfeld Leistungserbringer | active | 2022-11 | Extension | 1 | ||||
| de.gevko.emdaf | R4 | EMDAF_EX_Hinweis.json | Sonstiger Hinweis | active | 2022-11 | Extension | 1 | ||||
| hl7.fhir.cr.imaging-report | R5 | StructureDefinition-cr-hl7idr-patient-history.json | HL7 IDR Patient History | draft | 0 | cgp | 2026-03 | cr | hl7 | Extension | 2 |
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-teamHistory.json | Team history | active | 2026-03 | dk | Extension | 2 | |||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-devicemetric-qualityHistory.json | Quality history | active | 2026-03 | dk | Extension | 1 | |||
| portuguese.use-cases.guide | R4B | SupportingInfoPTExtension.StructureDefinition.json | SupportingInfoPTExtension | draft | Extension | ||||||
| de.medizininformatikinitiative.use-case.omi | R4 | StructureDefinition-doi-extension.json | DOI extension | active | 2024-12 | de | Extension | 1 | |||
| hl7.fhir.be.vaccination | R4 | StructureDefinition-be-ext-vaccination-confirmationStatus.json | BeVaccinationConfirmationStatus | active | 1 | 2026-03 | be | hl7 | Extension | 1 | |
| hl7.fhir.uv.subscriptions-backport | R4B | StructureDefinition-backport-payload-content.json | Backport R5 Subscription Payload Content Information | trial-use | fhir | 2024-06 | uv | hl7 | Extension | 8 | |
| ca.on.phsd.r4-alpha | R4 | Subscriptioncontent.StructureDefinition.json | Subscriptioncontent | draft | Extension | ||||||
| ca.on.pubsub.r4 | R4 | Subscriptioncontent.json | Subscriptioncontent | draft | ca | Extension | |||||
| hl7.fhir.us.lower-extremity-skin-wound-assessment | R4 | StructureDefinition-RecurrenceExt.json | Recurrence | draft | 2019-06 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.lower-extremity-skin-wound-assessment | R4 | StructureDefinition-WoundRecurrenceExt.json | BodyLocationExtension | draft | 2019-06 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.tools | R5 | StructureDefinition-type-profile-style.json | Type Profile Style Extension | informative | 3 | fhir | 2026-03 | uv | hl7 | Extension | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-elementdefinition-binding-style.json | Terminology Binding Style Extension | informative | 3 | fhir | 2026-03 | uv | hl7 | Extension | |
| hl7.fhir.uv.tools | R5 | StructureDefinition-extension-style.json | Extension Style Extension | informative | 3 | fhir | 2026-03 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-artifact-citeAs.json | Artifact Cite As | trial-use | 1 | cds | 2023-02 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-valueset-compose-include-valueSetTitle.json | ValueSet Include ValueSet Title | deprecated | 2 | vocab | 2026-03 | uv | hl7 | Extension | |
| hl7.fhir.cz.core | R4 | StructureDefinition-presentedForm.json | Composition: Presented Form | trial-use | 2 | 2025-12 | cz | hl7 | Extension | 7 | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-valueset-otherTitle.json | ValueSet Other Title | trial-use | 2 | vocab | 2020-12 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-careplan-activity-title.json | CarePlan Activity Title | trial-use | 3 | pc | 2015-03 | uv | hl7 | Extension | |
| koppeltaalv2.00 | R4 | StructureDefinition-request-id.json | KT2_RequestId | draft | 2023-01 | nl | Extension | 1 | |||
| hl7.fhir.uv.tools | R5 | StructureDefinition-ig-page-name.json | IG Page Name | informative | 4 | fhir | 2026-03 | uv | hl7 | Extension | |
| hl7.fhir.us.directory-query | R4 | StructureDefinition-igsSupported.json | IGs Supported | active | 2022-12 | us | hl7 | Extension | 1 | ||
| de.gematik.erezept-workflow.r4 | R4 | StructureDefinition-GEM-ERP-EX-InsuranceProvider.json | GEM_ERP_EX_InsuranceProvider | active | 2025-12 | Extension | |||||
| hl7.fhir.cl.clips | R4 | StructureDefinition-ProductID.json | ProductID | active | 2025-12 | cl | hl7 | Extension | 1 | ||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-enableBehavior-conditionId.json | Condition Id | active | 2026-03 | dk | Extension | 1 | |||
| br.gov.saude.ccu | R4 | StructureDefinition-idade.json | Idade | draft | 2024-07 | br | Extension | 1 | |||
| hl7.fhir.cl.clcore | R4 | StructureDefinition-IdentidadDeGenero.json | Identidad De Género | active | 2025-10 | cl | hl7 | Extension | 2 | ||
| hl7.fhir.fr.core | R4 | StructureDefinition-fr-core-patient-contact-identifier.json | FR Core Patient Contact Identifier Extension | active | 2026-03 | fr | hl7 | Extension | 1 | ||
| portuguese.core.guide | R4B | StatusDatePTExtension.StructureDefinition.json | Status Date PT Extension | active | Extension | 2 | |||||
| br.go.ses.core | R4 | StructureDefinition-especificacao-suspeita-agravo-sd.json | Especificação da Suspeita do Agravo | draft | 2025-11 | Extension | 1 | ||||
| portuguese.use-cases.guide | R4B | LateralityPTExtension.StructureDefinition.json | Laterality PT Extension | draft | Extension | ||||||
| portuguese.use-cases.guide | R4B | SeverityReactionPTExtension.StructureDefinition.json | Severity Reaction PT Extension | draft | 2024-05 | Extension | 1 | ||||
| br.go.ses.exame | R4 | StructureDefinition-estabelecimento-solicitante.json | Estabelecimento de Saúde Solicitante | draft | 2025-12 | br | Extension | 1 | |||
| br.go.ses.exame | R4 | StructureDefinition-conselho-profissional.json | Conselho Profissional | draft | 2025-12 | br | Extension | 2 | |||
| portuguese.use-cases.guide | R4B | VaccineNumAdmPTExtension.StructureDefinition.json | Vaccine Num Adm PT Extension | draft | Extension | ||||||
| br.go.ses.reds-go | R4 | StructureDefinition-BRAdministradorTerceiro-1.0.json | Gerente/Administrador (Terceiro) ou Interveniente | active | 2020-03 | br | Extension | 1 | |||
| hl7.fhir.cl.corecl | R4 | StructureDefinition-IdContacto.json | Identificación del Contacto de un Paciente | active | 2022-09 | cl | hl7 | Extension | 1 | ||
| hl7.fhir.cl.clcore | R4 | StructureDefinition-IdContacto.json | Identificación del Contacto de un Paciente | active | 2025-10 | cl | hl7 | Extension | 1 | ||
| br.gov.saude.ccu | R4 | StructureDefinition-identificador-prontuario.json | Identificador de prontuário | draft | 2024-07 | br | Extension | 1 | |||
| br.go.ses.reds-go | R4 | StructureDefinition-BRGrupoAtendimento.json | Grupo de Atendimento | active | 2020-12 | br | Extension | ||||
| br.gov.saude.ccu | R4 | StructureDefinition-nivel-educacional.json | Escolaridade | draft | 2024-07 | br | Extension | 1 | |||
| nictiz.fhir.nl.stu3.iwlz | R3 | iwlz-ext-Indicatie-Besluitnummer.json | iwlz ext Indicatie Besluitnummer | draft | nl | Extension | 1 | ||||
| example.fhir.ph.roadsafety | R4 | StructureDefinition-rs-encounter-vehicle-used.json | RS Encounter Vehicle Used | draft | 2026-01 | Extension | 1 | ||||
| se.electronichealth.fhir.nll.r4 | R4 | NLLDispatchRowNo.StructureDefinition.json | NLLDispatchRowNo | active | 2022-01 | Extension | 3 | ||||
| hl7.fhir.fi.scheduling | R4 | StructureDefinition-careplan-identifier.json | Careplan Identifier | draft | 2025-08 | fi | hl7 | Extension | 1 | ||
| hl7.fhir.fi.scheduling | R4 | StructureDefinition-customer-journey.json | Customer Journey | draft | 2025-08 | fi | hl7 | Extension | 1 | ||
| hl7.fhir.dk.core | R4 | StructureDefinition-dk-core-municipalityCodes.json | Danish Core Municipality codes | draft | 2026-03 | dk | hl7 | Extension | 3 | ||
| hl7.fhir.dk.core | R4 | StructureDefinition-dk-core-RegionalSubDivisionCodes.json | Danish Core Regional Sub Division Codes Extension | draft | 2026-03 | dk | hl7 | Extension | 3 | ||
| de.gematik.erezept.eu | R4 | StructureDefinition-GEM-ERPEU-EX-MedicinalPackageIdentifier.json | GEM_ERPEU_EX_MedicinalPackageIdentifier | active | 2026-02 | Extension | 1 | ||||
| nexuzhealth.fhir.r4 | R4 | NxhExtIdentifier.StructureDefinition.json | NxhExtIdentifier | active | 2022-09 | Extension | 1 |