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| Package | Version | Identity | Name/Title | Status | FMM | WG | Date | Realm | Auth | DataType | Usage # |
|---|---|---|---|---|---|---|---|---|---|---|---|
| eng.fhir.profile.dev | R4 | extension-resource-strengthOfRecommendation.json | extension-resource-strengthOfRecommendation | draft | 2023-06 | hl7 | Extension | 2 | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-cqf-strengthOfRecommendation.json | Strength of recommendation | trial-use | 3 | cds | 2015-05 | uv | hl7 | Extension | |
| de.netzwerk-universitaetsmedizin.ebm-cpg | R5 | StructureDefinition-cqf-strengthOfRecommendation.json | strengthOfRecommendation | draft | 1 | fhir | 2015-05 | uv | Extension | 1 | |
| dk.ehmi.eer | R4 | StructureDefinition-smp-certificate-subject.json | SMP Certificate Subject | draft | 2026-07 | dk | Extension | 1 | |||
| csiro.stars | R5 | StructureDefinition-csiro-stars-submission-category.json | Submission Category | active | 2026-04 | Extension | 1 | ||||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-diagnosticReport-addendumOf.json | DiagnosticReport Addendum Of | trial-use | 3 | oo | 2015-02 | uv | hl7 | Extension | |
| hl7.fhir.us.lower-extremity-skin-wound-assessment | R4 | StructureDefinition-SurfaceOrientationExt.json | SurfaceOrientation | draft | 2019-06 | us | hl7 | Extension | 1 | ||
| hl7.fhir.be.core-clinical | R4 | StructureDefinition-be-ext-surgical-approach.json | Surgical Approach | active | 2026-05 | be | hl7 | Extension | 1 | ||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-organization-synchronizationStatus.json | Organization Synchronization status | active | 2026-08 | dk | Extension | 1 | |||
| hl7.fhir.us.vitals | R4 | StructureDefinition-MeasurementProtocolExt.json | Measurement Protocol | draft | 2024-10 | us | hl7 | Extension | 3 | ||
| hl7.fhir.us.cardx-htn | R4 | StructureDefinition-MeasurementProtocolExt.json | Measurement Protocol | draft | 2023-08 | us | hl7 | Extension | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-procedure-targetBodyStructure.json | Procedure Target Body Structure | trial-use | 3 | pc | 2015-02 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-procedure-directedBy.json | Procedure Directed By | trial-use | 3 | pc | 2015-02 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-cqf-systemUserTaskContext.json | System user task context | deprecated | 3 | cds | 2015-05 | uv | hl7 | Extension | |
| hl7.fhir.us.directory-query | R4 | StructureDefinition-endpoint-reference.json | NatlDirEndpointQry Practitioner Endpoint Reference | active | 2017-11 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.vhdir | R4 | StructureDefinition-endpoint-reference.json | VhDir Practitioner Endpoint Reference | trial-use | 2 | pa | 2017-11 | uv | hl7 | Extension | 2 |
| eu.miabis.r4 | R4 | StructureDefinition-miabis-infrastructural-capabilities-extension.json | Infrastructural Capabilities Extension | active | 2026-06 | Extension | 1 | ||||
| hl7.fhir.us.breastcancer | R3 | StructureDefinition-cimi-topic-FindingMethod-extension.json | BC FindingMethod Extension | draft | 2018-08 | us | hl7 | Extension | 1 | ||
| nexuzhealth.fhir.r4 | R4 | NxhExtTemplate.json | NxhExtTemplate | active | 2021-10 | Extension | 2 | ||||
| uk.adsv2.r4 | R4 | Extension-ADS-AQIResponseTime.json | Extension ADS AQI Response Time | draft | 2020-12 | Extension | 1 | ||||
| uk.adsv2.r4 | R4 | Extension-AmbulanceDataSet-AQIResponseTime.json | Extension Ambulance Data Set AQI Response Time | draft | 2021-01 | Extension | 1 | ||||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-patient-birthTime.json | Patient/Person/RelatedPerson/Practitioner Birth Time | trial-use | 3 | pa | 2020-12 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-procedure-incisionDateTime.json | Procedure Incision DateTime | trial-use | 3 | pc | 2015-02 | uv | hl7 | Extension | |
| lt.hl7.fhir.lifestyle | R5 | StructureDefinition-medication-timing-ext-lt-lifestyle.json | Medication Timing Extension for LT Lifestyle | draft | 2026-07 | Extension | 1 | ||||
| hl7.fhir.uv.saner | R4 | StructureDefinition-ReportingPeriod.json | Enables specification of proposed measure reporting | draft | pher | 2024-05 | uv | hl7 | Extension | 1 | |
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-title.json | Title | active | 2026-08 | dk | Extension | 1 | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-display.json | Display Name | trial-use | 3 | fhir | 2013-12 | uv | hl7 | Extension | |
| hl7.fhir.us.codex-radiation-therapy | R4 | StructureDefinition-codexrt-radiotherapy-fractions-delivered.json | Number of Delivered Fractions | trial-use | cgp | 2026-05 | us | hl7 | Extension | 2 | |
| ltsi.fhir.oncofair | R5 | StructureDefinition-treatment-line.json | Treatment Line Number | active | 2025-11 | Extension | |||||
| nexuzhealth.fhir.r4 | R4 | NxhExtCodeHistologie.StructureDefinition.json | NxhExtCodeHistologie | active | 2023-09 | Extension | 1 | ||||
| ca.on.oh.mha-pds | R4 | StructureDefinition.ca-on-mha-ext-ReferralSourceType.json | ExtensionReferralSourceType | active | 2022-08 | hl7 | Extension | 3 | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-blinded-role.json | BlindedRole | trial-use | 1 | brr | 2026-04 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-annotationType.json | Annotation type | trial-use | 1 | fhir | 2023-12 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-questionnaire-itemControl.json | Questionnaire Item Control | trial-use | 3 | fhir | 2013-07 | uv | hl7 | Extension | |
| smart.who.int.immunizations | R4 | StructureDefinition-IMMZTypeOfDose.json | Immunization Type of Dose | draft | 2026-07 | who | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-MessageEventType-1.json | Extension-MessageEventType-1 | draft | 2019-05 | hl7 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-DCH-MessageEventType-1.json | Extension-DCH-MessageEventType-1 | draft | 2018-01 | hl7 | Extension | 1 | |||
| hl7.fhir.be.core-clinical | R4 | StructureDefinition-be-ext-problem-origin-type.json | BeExtProblemOriginType | active | 1 | 2026-05 | be | hl7 | Extension | 1 | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-cqf-recipientType.json | Recipient type | deprecated | 3 | cds | 2015-05 | uv | hl7 | Extension | |
| hl7.fhir.be.medication | R4 | StructureDefinition-BeExtMedicationType.json | BeExtMedicationType | active | 2026-07 | be | hl7 | Extension | 1 | ||
| hl7.fhir.us.davinci-pas | R4 | StructureDefinition-extension-authorizedProviderType.json | Authorized Provider Type | trial-use | 4 | fm | 2026-06 | us | hl7 | Extension | 2 |
| de.bbmri.fhir | R4 | StructureDefinition-CollectionType.json | Collection Type | active | 2020-05 | Extension | 1 | ||||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-cqf-encounterType.json | Encounter type | deprecated | 3 | cds | 2015-05 | uv | hl7 | Extension | |
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-carecommunication-message-Type.json | Message type | active | 2026-08 | dk | Extension | 1 | |||
| fhir.argonaut.scheduling | R3 | StructureDefinition-extension-subscription-eventfocus.json | Subscription Event Focus Extension | active | 2018-02 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-cqf-systemUserType.json | System user type | deprecated | 3 | cds | 2015-05 | uv | hl7 | Extension | |
| fhir.org.nz.ig.base | R4 | StructureDefinition-scope-of-practice.json | ScopeOfPractice | active | 2026-05 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-specimen-collectionPriority.json | Specimen Collection Priority | trial-use | 3 | oo | 2015-02 | uv | hl7 | Extension | |
| fhir.ph.core | R4 | StructureDefinition-administered-product.json | Administered Product | draft | 2026-06 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-largeValue.json | Large Value | trial-use | 2 | fhir | 2013-12 | uv | hl7 | Extension | |
| nhsdigital.fhir.stu3 | R3 | Extension-eRS-OperationOutcomeElementValue-1.json | Extension-eRS-OperationOutcomeElementValue-1 | draft | 2018-10 | hl7 | Extension | 1 | |||
| dk.ehealth.sundhed.fhir.ig.core | R4 | StructureDefinition-ehealth-view-for.json | View for | active | 2026-08 | dk | Extension | 1 | |||
| synapxe.hsar | R4B | extension-Composition-varaibleComponentPercentage.json | extension-Composition-variableComponentPercentage | active | 2019-10 | Extension | 1 | ||||
| hl7.fhir.uv.cmi | R4 | StructureDefinition-cmi-supportedCqlVersion.json | CMI Supported CQL Version | active | 2021-08 | uv | hl7 | Extension | 1 | ||
| iknl.fhir.nl.r4.palga | R4 | StructureDefinition-palga-protocol-version.json | Protocol version | active | 2023-10 | nl | Extension | 1 | |||
| io.health-samurai.core.r4b | R4B | StructureDefinition-bundle-entry-version-id.json | Bundle Entry Version Id | active | uv | Extension | |||||
| nictiz.fhir.nl.stu3.zib2017 | R3 | zib-Medication-StopType.json | HCIM Medication StopType | active | nl | hl7 | Extension | 2 | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-structuredefinition-wg.json | StructureDefinition Work Group | trial-use | 3 | fhir | 2014-01 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-diagnosticReport-workflowStatus.json | DiagnosticReport Workflow Status | draft | 1 | oo | 2015-02 | uv | hl7 | Extension | |
| de.gevko.emdaf | R4 | EMDAF_EX_Medication_Normgroesse.json | Normgröße | active | 2022-08 | Extension | |||||
| nexuzhealth.fhir.r4 | R4 | NxhExtMocTherapy.StructureDefinition.json | NxhExtMocTherapy | active | 2023-09 | Extension | 1 | ||||
| smart.who.int.immunizations | R4 | StructureDefinition-IMMZOtherMedicalEvent.json | Immunization Other Important Medical Event | draft | 2026-07 | who | Extension | 1 | |||
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-expansion-parameters-extension.json | US Public Health Expansion Parameters Extension | active | 2023-10 | us | hl7 | Extension | 1 | ||
| navify.fhir.r5.rdc | R5 | ext-CGMFlags.json | ext CGMFlags | active | Extension | 1 | |||||
| ch.fhir.ig.ch-ekm | R4 | StructureDefinition-ch-ekm-ext-department.json | CH EKM Extension: Department | draft | 2026-08 | ch | hl7 | Extension | 3 | ||
| ch.fhir.ig.ch-ekm | R4 | StructureDefinition-ch-ekm-ext-hiv-code.json | CH EKM Extension: HIV code | draft | 2026-08 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-ekm | R4 | StructureDefinition-ch-ekm-ext-exposition-address.json | CH EKM Extension: Exposition Address | draft | 2026-08 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-elm | R4 | StructureDefinition-ch-elm-ext-department.json | CH ELM Extension: Department | active | 2026-07 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-elm | R4 | StructureDefinition-ch-elm-ext-hiv-code.json | CH ELM Extension: HIV code | active | 2026-07 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-elm | R4 | StructureDefinition-ch-elm-ext-vct-code.json | CH ELM Extension: VCT code | retired | 2026-07 | ch | hl7 | Extension | 1 | ||
| ch.fhir.ig.ch-epr-fhir | R4 | StructureDefinition-ch-mhd-home-community-id.json | CH MHD Extension to provide the homeCommunityId | active | 2026-06 | ch | hl7 | Extension | |||
| hl7.fhir.cz.hie | R4 | StructureDefinition-cz-mhd-home-community-id.json | Z MHD Extension to provide the homeCommunityId | draft | 2026-07 | cz | hl7 | Extension | 1 | ||
| navify.fhir.r5.rdc | R5 | ext-CalibrationStatus.json | ext CalibrationStatus | active | Extension | 1 | |||||
| cgm.iop.roche.com | R5 | ext-CgmCalibrationStatus.json | ext CgmCalibrationStatus | active | Extension | 2 | |||||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-organization-preferredContact.json | Organization Preferred Contact | deprecated | 3 | pa | 2015-02 | uv | hl7 | Extension | |
| navify.fhir.r5.rdc | R5 | ext-DeviceSettings.json | ext DeviceSettings | draft | Extension | 1 | |||||
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-data-encrypted-extension.json | US Public Health Data Encrypted Extension | active | 2023-10 | us | hl7 | Extension | 2 | ||
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-fhirquerypattern-extension.json | US Public Health FHIR Query Pattern Extension | active | 2023-10 | us | hl7 | Extension | |||
| hl7.fhir.us.mdi | R4 | StructureDefinition-Extension-death-certificate-status.json | Death Certificate Status | trial-use | 3 | pher | 2025-07 | us | hl7 | Extension | 1 |
| hl7.fhir.us.mdi | R4 | StructureDefinition-Extension-cremation-clearance-status.json | Cremation Clearance Authorization Status | trial-use | 3 | pher | 2025-07 | us | hl7 | Extension | 1 |
| hl7.fhir.us.mdi | R4 | StructureDefinition-Extension-cremation-clearance-signature.json | Cremation Clearance Signature Status | trial-use | 3 | pher | 2025-07 | us | hl7 | Extension | 1 |
| hl7.fhir.us.mdi | R4 | StructureDefinition-Extension-cremation-clearance-coroner.json | Cremation Clearance Coroner Status | trial-use | 3 | pher | 2025-07 | us | hl7 | Extension | 1 |
| hl7.fhir.us.mdi | R4 | StructureDefinition-Extension-me-certification-affirmation.json | Medical Examiner Certification Affirmation | trial-use | 3 | pher | 2025-07 | us | hl7 | Extension | 1 |
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-MedicationTradeFamily.json | Extension UK Core Medication Trade Family | active | 2022-12 | us | hl7 | Extension | 1 | ||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-PharmacistVerifiedIndicator.json | Extension UK Core Pharmacist Verified Indicator | active | 2021-09 | us | hl7 | Extension | 1 | ||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-MedicationFlagAssociation-1.json | Extension-CareConnect-MedicationFlagAssociation-1 | draft | 2017-07 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-Recorder-1.json | Extension-CareConnect-Recorder-1 | draft | 2017-07 | hl7 | Extension | 3 | |||
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-initiation-reason-extension.json | US Public Health Initiation Reason Extension | active | 2023-10 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-message-processing-category-extension.json | US Public Health Message Processing Category Extension | active | 2023-10 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-receiver-address-extension.json | US Public Health Receiver Address Extension | active | 2023-10 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-receiver-jwks-url-extension.json | US Public Health Receiver JWKS Url Extension | active | 2023-10 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-named-eventtype-extension.json | US Public Health Named Event Type Extension | active | 2023-10 | us | hl7 | Extension | 3 | ||
| hl7.fhir.us.bfdr | R4 | StructureDefinition-Extension-encounter-maternity-reference.json | Encounter Maternity Reference | draft | pher | 2025-08 | us | hl7 | Extension | 2 | |
| ihe.qrph.bfdr | R4 | StructureDefinition-Extension-encounter-maternity-reference.json | Extension - Encounter Maternity Reference | active | 2024-07 | uv | ihe | Extension | 3 | ||
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-alternative-expression-extension.json | US Public Health Alternative Expression Extension | active | 2023-10 | us | hl7 | Extension | |||
| hl7.fhir.us.ecr | R4 | StructureDefinition-eicr-trigger-code-flag-extension.json | eICR Trigger Code Flag Extension | trial-use | 3 | pher | 2026-08 | us | hl7 | Extension | 2 |
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-codesystem-property-required-binding-extension.json | US Public Health CodeSystem Property Required Binding Extension | active | 2023-10 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-determination-of-reportability-rule-extension.json | US Public Health Determination of Reportability Rule Extension | active | 2023-10 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.ecr.r4b | R4B | StructureDefinition-us-ph-determination-of-reportability-rule-extension.json | US Public Health Determination of Reportability Rule Extension | active | pher | 2024-10 | us | hl7 | Extension | ||
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-therapeutic-medication-response-extension.json | US Public Health Therapeutic Medication Response Extension | active | 2023-10 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.core | R4 | StructureDefinition-us-core-tribal-affiliation.json | US Core Tribal Affiliation Extension | trial-use | 3 | cgp | 2023-10 | us | hl7 | Extension | 4 |
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-data-encryption-algorithm-extension.json | US Public Health Data Encryption Algorithm Extension | draft | 2019-09 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.central-cancer-registry-reporting.r4 | R4 | StructureDefinition-us-ph-tribal-affiliation-extension.json | US Public Health Tribal Affiliation Extension | active | pher | 2024-05 | us | hl7 | Extension | 1 | |
| hl7.fhir.us.ecr.r4b | R4B | StructureDefinition-us-ph-tribal-affiliation-extension.json | US Public Health Tribal Affiliation Extension | active | pher | 2024-10 | us | hl7 | Extension | 1 | |
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-tribal-affiliation-extension.json | US Public Health Tribal Affiliation Extension | active | 2023-10 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.ecr | R4 | StructureDefinition-rr-external-resource-extension.json | RR External Resource Extension | trial-use | 3 | pher | 2026-08 | us | hl7 | Extension | 2 |
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-usagewarning-extension.json | US Public Health Usage Warning Extension | draft | 2023-10 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-information-recipient-extension.json | US Public Health Information Recipient Extension | active | 2023-10 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.ecr.r4b | R4B | StructureDefinition-us-ph-therapeutic-medication-response-extension.json | US Public Health Therapeutic Medication Response Extension | active | pher | 2021-08 | us | hl7 | Extension | 1 | |
| hl7.fhir.us.ecr | R4 | StructureDefinition-eicr-initiation-type-extension.json | eICR Initiation Type Extension | trial-use | 3 | pher | 2026-08 | us | hl7 | Extension | 2 |
| hl7.fhir.us.medmorph | R4 | StructureDefinition-us-ph-report-initiation-type.json | US Initiation Type Extension | active | 2023-06 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-date-determined-extension.json | US Public Health Date Determined Extension | active | 2023-10 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-date-recorded-extension.json | US Public Health Date Recorded Extension | active | 2023-10 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.ecr | R4 | StructureDefinition-rr-eicr-receipt-time-extension.json | eICR Receipt Time Extension | trial-use | 3 | pher | 2026-08 | us | hl7 | Extension | 1 |
| ihe.qrph.bfdr | R4 | StructureDefinition-Extension-date-filed-by-registrar.json | Extension - Date Filed by Registrar | active | 2024-07 | uv | ihe | Extension | 2 | ||
| ihe.qrph.bfdr | R4 | StructureDefinition-Extension-date-received-by-registrar.json | Extension - Date Received by Registrar | active | 2024-07 | uv | ihe | Extension | 2 | ||
| hl7.fhir.us.ecr.r4b | R4B | StructureDefinition-us-ph-determination-of-reportability-extension.json | US Public Health Determination of Reportability Extension | active | pher | 2024-10 | us | hl7 | Extension | ||
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-determination-of-reportability-extension.json | US Public Health Determination of Reportability Extension | active | 2023-10 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.ecr | R4 | StructureDefinition-rr-eicr-processing-status-extension.json | eICR Processing Status Extension | trial-use | 3 | pher | 2026-08 | us | hl7 | Extension | 1 |
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-trust-service-endpoint-extension.json | US Public Health Trust Service Endpoint Extension | active | 2023-10 | us | hl7 | Extension | |||
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-async-indicator-extension.json | US Public Health Async Indicator Extension | active | 2023-10 | us | hl7 | Extension | 1 | ||
| ihe.qrph.bfdr | R4 | StructureDefinition-Extension-fetal-death-local-file-number.json | Extension - Fetal Death Local File Number | active | 2024-07 | uv | ihe | Extension | 2 | ||
| ihe.qrph.bfdr | R4 | StructureDefinition-Extension-fetal-death-report-number.json | Extension - Fetal Death Report Number | active | 2024-07 | uv | ihe | Extension | 4 | ||
| ihe.qrph.bfdr | R4 | StructureDefinition-Extension-live-birth-certificate-number.json | Extension - Live Birth Certificate Number | active | 2024-07 | uv | ihe | Extension | 3 | ||
| ihe.qrph.bfdr | R4 | StructureDefinition-Extension-live-birth-local-file-number.json | Extension - Live Birth Local File Number | active | 2024-07 | uv | ihe | Extension | 2 | ||
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-expected-response-time-extension.json | US Public Health Expected Response Time Extension | active | 2023-10 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.ecr | R4 | StructureDefinition-rr-priority-extension.json | Reportability Response Priority Extension | trial-use | 3 | pher | 2026-08 | us | hl7 | Extension | 2 |
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-determination-of-reportability-reason-extension.json | US Public Health Determination of Reportability Reason Extension | active | 2023-10 | us | hl7 | Extension | 1 | ||
| hl7.fhir.us.ecr.r4b | R4B | StructureDefinition-us-ph-determination-of-reportability-reason-extension.json | US Public Health Determination of Reportability Reason Extension | active | pher | 2024-10 | us | hl7 | Extension | ||
| ihe.qrph.bfdr | R4 | StructureDefinition-Extension-replacement-status.json | Extension - Replacement Status | active | 2024-07 | uv | ihe | Extension | 4 | ||
| hl7.fhir.us.vr-common-library | R4 | StructureDefinition-Extension-reported-parent-age-at-delivery-vr.json | Reported Parent Age At Delivery Vital Records | active | pher | 2026-06 | us | hl7 | Extension | 1 | |
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-address-extension.json | US Public Health Address Extension | active | 2023-10 | us | hl7 | Extension | 2 | ||
| hl7.fhir.us.ecr.r4b | R4B | StructureDefinition-us-ph-address-extension.json | US Public Health Address Extension | active | pher | 2024-10 | us | hl7 | Extension | 2 | |
| hl7.fhir.us.ph-library | R4 | StructureDefinition-us-ph-report-initiation-type-extension.json | US Public Health Initiation Type Extension | active | 2023-10 | us | hl7 | Extension | |||
| hl7.at.fhir.tc.wg.scheduling.r5 | R5 | StructureDefinition-at-scheduling-ext-cancellationPolicy.json | The policy for a cancellation | draft | 2026-06 | hl7 | Extension | 3 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-ParentPresent-1.json | Extension-CareConnect-GPC-ParentPresent-1 | draft | 2017-07 | hl7 | Extension | ||||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-ParentPresent-1.json | Extension-CareConnect-ParentPresent-1 | draft | 2018-11 | hl7 | Extension | 4 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-GPConnect-AppointmentCancellationReason-1.json | Extension-GPConnect-AppointmentCancellationReason-1 | active | 2017-10 | hl7 | Extension | 2 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-AppointmentCancellationReason-1.json | Extension-CareConnect-AppointmentCancellationReason-1 | draft | 2019-12 | hl7 | Extension | 1 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-coding-sctdescid.json | Extension-coding-sctdescid | active | 2020-10 | hl7 | Extension | 9 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-coding-sctdescid.json | Extension-coding-sctdescid | draft | 2020-10 | hl7 | Extension | 120 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-FastingStatus-1.json | Extension-CareConnect-FastingStatus-1 | draft | 2017-07 | hl7 | Extension | 2 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-AllergyCertainty-1.json | Extension-CareConnect-GPC-AllergyCertainty-1 | draft | 2017-07 | hl7 | Extension | ||||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-AllergyCertainty-1.json | Extension-CareConnect-AllergyCertainty-1 | draft | 2017-07 | hl7 | Extension | ||||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-AllergySeverity-1.json | Extension-CareConnect-GPC-AllergySeverity-1 | draft | 2017-07 | hl7 | Extension | ||||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-AllergySeverity-1.json | Extension-CareConnect-AllergySeverity-1 | draft | 2017-07 | hl7 | Extension | ||||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-Evidence-1.json | Extension-CareConnect-GPC-Evidence-1 | active | 2017-07 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-Evidence-1.json | Extension-CareConnect-Evidence-1 | draft | 2018-11 | hl7 | Extension | 4 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-ProbabilityOfRecurrence-1.json | Extension-CareConnect-GPC-ProbabilityOfRecurrence-1 | draft | 2017-07 | hl7 | Extension | ||||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-ProbabilityOfRecurrence-1.json | Extension-CareConnect-ProbabilityOfRecurrence-1 | draft | 2017-07 | hl7 | Extension | ||||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-DateRecorded-1.json | Extension-CareConnect-DateRecorded-1 | draft | 2018-11 | hl7 | Extension | 24 | |||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-DateRecorded-1.json | Extension-CareConnect-GPC-DateRecorded-1 | draft | 2017-07 | hl7 | Extension | ||||
| nhsdigital.fhir.stu3 | R3 | Extension-CareConnect-GPC-MedicationQuantityText-1.json | Extension-CareConnect-GPC-MedicationQuantityText-1 | active | 2017-07 | hl7 | Extension | 1 | |||
| careconnect.stu3.03.00.00 | R3 | Extension-CareConnect-MedicationQuantityText-1.json | Extension-CareConnect-MedicationQuantityText-1 | draft | 2018-11 | hl7 | Extension | 4 | |||
| hl7.fhir.us.davinci-deqm | R4 | StructureDefinition-extension-submitDataUpdateType.json | DEQM Submit Data Update Type Extension | trial-use | 4 | cqi | 2025-05 | us | hl7 | Extension | 1 |
| hl7.fhir.uv.deqm | R4 | StructureDefinition-deqm-submitDataUpdateType.json | DEQM Submit Data Update Type Extension | trial-use | 4 | cqi | 2026-08 | uv | hl7 | Extension | 1 |
| de.gematik.epa.medication | R4 | StructureDefinition-multiple-prescription-extension.json | MultiplePrescription | active | 2025-12 | de | Extension | 2 | |||
| hl7-france-fhir.administrative-2022 | R4 | fr-service-type-duration-R4.StructureDefinition.json | FrServiceTypeDuration | active | 2019-07 | hl7 | Extension | 3 | |||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-elementdefinition-maxValueSet.json | Max value set | deprecated | 3 | fhir | 2015-02 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-workflow-generatedFrom.json | Generated from | trial-use | 2 | fhir | 2017-12 | uv | hl7 | Extension | |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-servicerequest-specimenSuggestion.json | ServiceRequest Specimen Suggestion | trial-use | 1 | oo | 2025-07 | uv | hl7 | Extension | |
| test.no.basis | R4 | no-basis-propertyinformation.structuredefinition-extension.json | no-basis-propertyinformation | active | 2018-10 | no | hl7 | Extension | 1 | ||
| test.no.basis | R4 | no-basis-partof.StructureDefinition-extension.json | no-basis-partof | active | 2023-10 | no | hl7 | Extension | 1 | ||
| hl7.fhir.uv.extensions | R5 | StructureDefinition-iso21090-ADXP-additionalLocator.json | ADXP Additional Locator | trial-use | 3 | fhir | 2012-06 | uv | hl7 | Extension | |
| nhs.fhir.lv.vvis | R4B | VVIS-ADXP-additionalLocator-v0.Extension.StructureDefinition.json | AdditionalLocator | active | 1 | fhir | Extension | 1 | |||
| fhir.r4.ukcore.stu3.currentbuild | R4 | Extension-UKCore-AddressKey.json | Extension UK Core Address Key | active | 2023-12 | us | hl7 | Extension | 1 | ||
| hl7.fhir.uv.ebm | R6 | StructureDefinition-relevant-for-automated-matching.json | RelevantForAutomatedMatching | trial-use | 1 | cds | 2026-08 | uv | hl7 | Extension | 1 |
| hl7.fhir.uv.extensions | R5 | StructureDefinition-condition-related.json | Condition Related | trial-use | 3 | pc | 2015-02 | uv | hl7 | Extension | |
| lt.hl7.fhir.eu | R5 | StructureDefinition-CrossVersionMediaViewExtension.json | EU Media.view extension | draft | 2025-05 | Extension | 1 | ||||
| hl7.fhir.cz.img | R4 | StructureDefinition-CrossVersionMediaViewExtension.json | Media.view extension | draft | 2026-08 | cz | hl7 | Extension | 1 | ||
| hl7.fhir.uv.xver-r3.r4b.r4 | R4 | StructureDefinition-ext-R3-Account.active.json | Cross-version Extension for R3.Account.active for use in FHIR R4B | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r3.r4b.r4 | R4 | StructureDefinition-ext-R3-Account.balance.json | Cross-version Extension for R3.Account.balance for use in FHIR R4B | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-Account.balance.json | Cross-version Extension for R5.Account.balance for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-Account.calculatedAt.json | Cross-version Extension for R5.Account.calculatedAt for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-Account.currency.json | Cross-version Extension for R5.Account.currency for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-Account.diagnosis.json | Cross-version Extension for R5.Account.diagnosis for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-Account.procedure.json | Cross-version Extension for R5.Account.procedure for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-Account.relatedAccount.json | Cross-version Extension for R5.Account.relatedAccount for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-ActivityDefinition.asNeeded.json | Cross-version Extension for R5.ActivityDefinition.asNeeded[x] for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-ActivityDefinition.copyrightLabel.json | Cross-version Extension for R5.ActivityDefinition.copyrightLabel for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-ActivityDefinition.dosage.json | Cross-version Extension for R5.ActivityDefinition.dosage 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-ActivityDefinition.dy.description.json | Cross-version Extension for R3.ActivityDefinition.dynamicValue.description for use in FHIR R4B | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r3.r4b.r4 | R4 | StructureDefinition-ext-R3-ActivityDefinition.dy.expression.json | Cross-version Extension for R3.ActivityDefinition.dynamicValue.expression for use in FHIR R4B | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r3.r4b.r4 | R4 | StructureDefinition-ext-R3-ActivityDefinition.dy.language.json | Cross-version Extension for R3.ActivityDefinition.dynamicValue.language for use in FHIR R4B | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-ActivityDefinition.kind.json | Cross-version Extension for R5.ActivityDefinition.kind for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 3 |
| hl7.fhir.uv.xver-r3.r4b.r4 | R4 | StructureDefinition-ext-R3-ActivityDefinition.library.json | Cross-version Extension for R3.ActivityDefinition.library for use in FHIR R4B | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-ActivityDefinition.location.json | Cross-version Extension for R5.ActivityDefinition.location for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-ActivityDefinition.observationRequirement.json | Cross-version Extension for R5.ActivityDefinition.observationRequirement for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-ActivityDefinition.oRR.json | Cross-version Extension for R5.ActivityDefinition.observationResultRequirement for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-ActivityDefinition.pa.function.json | Cross-version Extension for R5.ActivityDefinition.participant.function for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-ActivityDefinition.pa.type.json | Cross-version Extension for R5.ActivityDefinition.participant.type for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-ActivityDefinition.pa.typeCanonical.json | Cross-version Extension for R5.ActivityDefinition.participant.typeCanonical for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-ActivityDefinition.pa.typeReference.json | Cross-version Extension for R5.ActivityDefinition.participant.typeReference for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r4b.r4.r4b | R4B | StructureDefinition-ext-R4B-ActivityDefinition.product.json | Cross-version Extension for R4B.ActivityDefinition.product[x] for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-ActivityDefinition.product.json | Cross-version Extension for R5.ActivityDefinition.product[x] for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-ActivityDefinition.relatedArtifact.json | Cross-version Extension for R5.ActivityDefinition.relatedArtifact for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-ActivityDefinition.specimenRequirement.json | Cross-version Extension for R5.ActivityDefinition.specimenRequirement for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
| hl7.fhir.uv.xver-r4b.r4.r4b | R4B | StructureDefinition-ext-R4B-ActivityDefinition.subject.json | Cross-version Extension for R4B.ActivityDefinition.subject[x] for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 2 |
| hl7.fhir.uv.xver-r5.r4.r4 | R4 | StructureDefinition-ext-R5-ActivityDefinition.subject.json | Cross-version Extension for R5.ActivityDefinition.subject[x] for use in FHIR R4 | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 3 |
| hl7.fhir.uv.xver-r3.r4b.r4 | R4 | StructureDefinition-ext-R3-ActivityDefinition.transform.json | Cross-version Extension for R3.ActivityDefinition.transform for use in FHIR R4B | trial-use | 0 | fhir | 2025-09 | uv | hl7 | Extension | 4 |
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