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PackageVersionIdentityName/TitleStatusFMMWGDateUsage #
fhir.kenyaClaimsIGR4StructureDefinition/StructureDefinition-eclaims-reason-for-service.jsonReason For Servicedraft2026-061
fhir.org.nz.ig.baseR4StructureDefinition/StructureDefinition-practitionerRole-status-reason.jsonPractitionerRoleStatusReasonactive2026-051
fhir.deep6.aiR4StructureDefinition/StructureDefinition-deep-6-ai-documentreference-contentreference-1.0.2.jsonDeep 6 AI DocumentReference Content Reference Extensionactive2024-021
hl7.fhir.us.medsR4StructureDefinition/StructureDefinition-refill-number-extension.jsonRefill_Number_Extensionnactive2020-08
hl7.fhir.us.vr-common-libraryR4StructureDefinition/StructureDefinition-Extension-relatedperson-birthplace-vr.jsonRelatedPerson Birth Place Vital Recordsactivepher2026-061
hl7.fhir.us.medmorphR4StructureDefinition/StructureDefinition-us-ph-relateddata-extension.jsonUS Public Health Related Data Extensiondraft2022-031
hl7.fhir.us.ecr.r4bR4BStructureDefinition/StructureDefinition-us-ph-relateddata-extension.jsonUS Public Health Related Data Extensionactivepher2022-031
fhir.ca-bc.providerR4StructureDefinition/StructureDefinition-bc-location-relationship-type-extension.jsonBC Practitioner to Location Type Extension.active2025-021
fhir.ca-bc.providerR4StructureDefinition/StructureDefinition-bc-relationship-type-extension.jsonBC Practitioner to Organization or Practitioner to Practitioner Type Extension.active2025-021
fhir.kenyaEmergencyIGR4StructureDefinition/StructureDefinition-em-unit-response-status.jsonEmergency Responder Unit Response Statusdraft2026-071
hl7.fhir.us.davinci-pasR4StructureDefinition/StructureDefinition-extension-claimResponseReviewer.jsonClaim Response Reviewertrial-use4fm2026-062
hl7.fhir.us.vr-common-libraryR4StructureDefinition/StructureDefinition-AuxiliaryStateIdentifier2.jsonAuxiliary State Identifier2 Vital Recordsactivepher2026-069
hl7.fhir.us.breastcancerR3StructureDefinition/StructureDefinition-cimi-entity-SequenceNumber-extension.jsonBC SequenceNumber Extensiondraft2018-081
hl7.fhir.us.vitalsignsR4StructureDefinition/StructureDefinition-AssociatedPreconditionExt.jsonAssociated Preconditiondraft2019-051
hl7.fhir.us.vitalsR4StructureDefinition/StructureDefinition-bp-cuff-size-ext.jsonBlood Pressure Cuff Sizedraft2024-101
hl7.fhir.us.vitalsignsR4StructureDefinition/StructureDefinition-BloodPressureCuffSizeExt.jsonBlood Pressure Cuff Sizedraft2019-051
hl7.fhir.us.directory-queryR4StructureDefinition/StructureDefinition-fundingSource.jsonFunding Sourceactive2022-122
fhir.ca-bc.providerR4StructureDefinition/StructureDefinition-bc-specialty-source-extension.jsonBC Specialty Source Extensionactive2025-021
hl7.fhir.us.davinci-pasR4StructureDefinition/StructureDefinition-extension-itemCertificationEffectiveDate.jsonCertification Effective Datetrial-use4fm2026-061
hl7.fhir.us.davinci-pasR4StructureDefinition/StructureDefinition-extension-itemCertificationExpirationDate.jsonCertification Expiration Datetrial-use4fm2026-061
hl7.fhir.us.davinci-pasR4StructureDefinition/StructureDefinition-extension-itemCertificationIssueDate.jsonCertification Issue Datetrial-use4fm2026-061
hl7.fhir.us.davinci-pasR4StructureDefinition/StructureDefinition-extension-errorElement.jsonError Elementtrial-use4fm2026-061
hl7.fhir.us.davinci-pasR4StructureDefinition/StructureDefinition-extension-itemAuthorizedProvider.jsonItem Authorized Providertrial-use4fm2026-062
fhir.r4.ukcore.stu3.currentbuildR4StructureDefinition/Extension-UKCore-MedicationRepeatInformation.jsonExtension UK Core Medication Repeat Informationactive2023-121
fhir.kenyaClaimsIGR4StructureDefinition/StructureDefinition-eclaims-plan-type-extension.jsonPlan Type Extensiondraft2026-061
fhir.kenyaClaimsIGR4StructureDefinition/StructureDefinition-eclaims-preauth-token.jsonPreauthorization Tokendraft2026-067
fhir.argonaut.questionnaireR3StructureDefinition/StructureDefinition-extension-responsePeriod.jsonArgonaut QuestionnaireResponse Response Period Extensionactive2018-041
hl7.fhir.us.vitalsR4StructureDefinition/StructureDefinition-SleepStatusExt.jsonSleep Statusdraft2024-104
hl7.fhir.us.cardx-htnR4StructureDefinition/StructureDefinition-SleepStatusExt.jsonSleep Statusdraft2023-082
hl7.fhir.us.lower-extremity-skin-wound-assessmentR4StructureDefinition/StructureDefinition-SurfaceOrientationExt.jsonSurfaceOrientationdraft2019-061
hl7.fhir.us.vitalsR4StructureDefinition/StructureDefinition-MeasurementProtocolExt.jsonMeasurement Protocoldraft2024-103
hl7.fhir.us.cardx-htnR4StructureDefinition/StructureDefinition-MeasurementProtocolExt.jsonMeasurement Protocoldraft2023-08
hl7.fhir.us.directory-queryR4StructureDefinition/StructureDefinition-endpoint-reference.jsonNatlDirEndpointQry Practitioner Endpoint Referenceactive2017-111
hl7.fhir.us.breastcancerR3StructureDefinition/StructureDefinition-cimi-topic-FindingMethod-extension.jsonBC FindingMethod Extensiondraft2018-081
hl7.fhir.us.codex-radiation-therapyR4StructureDefinition/StructureDefinition-codexrt-radiotherapy-fractions-delivered.jsonNumber of Delivered Fractionstrial-usecgp2026-052
hl7.fhir.us.davinci-pasR4StructureDefinition/StructureDefinition-extension-authorizedProviderType.jsonAuthorized Provider Typetrial-use4fm2026-062
fhir.argonaut.schedulingR3StructureDefinition/StructureDefinition-extension-subscription-eventfocus.jsonSubscription Event Focus Extensionactive2018-021
fhir.org.nz.ig.baseR4StructureDefinition/StructureDefinition-scope-of-practice.jsonScopeOfPracticeactive2026-051
fhir.ph.coreR4StructureDefinition/StructureDefinition-administered-product.jsonAdministered Productdraft2026-061
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-expansion-parameters-extension.jsonUS Public Health Expansion Parameters Extensionactive2023-101
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-data-encrypted-extension.jsonUS Public Health Data Encrypted Extensionactive2023-102
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-fhirquerypattern-extension.jsonUS Public Health FHIR Query Pattern Extensionactive2023-10
hl7.fhir.us.mdiR4StructureDefinition/StructureDefinition-Extension-death-certificate-status.jsonDeath Certificate Statustrial-use3pher2025-071
hl7.fhir.us.mdiR4StructureDefinition/StructureDefinition-Extension-cremation-clearance-status.jsonCremation Clearance Authorization Statustrial-use3pher2025-071
hl7.fhir.us.mdiR4StructureDefinition/StructureDefinition-Extension-cremation-clearance-signature.jsonCremation Clearance Signature Statustrial-use3pher2025-071
hl7.fhir.us.mdiR4StructureDefinition/StructureDefinition-Extension-cremation-clearance-coroner.jsonCremation Clearance Coroner Statustrial-use3pher2025-071
hl7.fhir.us.mdiR4StructureDefinition/StructureDefinition-Extension-me-certification-affirmation.jsonMedical Examiner Certification Affirmationtrial-use3pher2025-071
fhir.r4.ukcore.stu3.currentbuildR4StructureDefinition/Extension-UKCore-MedicationTradeFamily.jsonExtension UK Core Medication Trade Familyactive2022-121
fhir.r4.ukcore.stu3.currentbuildR4StructureDefinition/Extension-UKCore-PharmacistVerifiedIndicator.jsonExtension UK Core Pharmacist Verified Indicatoractive2021-091
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-initiation-reason-extension.jsonUS Public Health Initiation Reason Extensionactive2023-101
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-message-processing-category-extension.jsonUS Public Health Message Processing Category Extensionactive2023-101
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-receiver-address-extension.jsonUS Public Health Receiver Address Extensionactive2023-101
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-receiver-jwks-url-extension.jsonUS Public Health Receiver JWKS Url Extensionactive2023-101
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-named-eventtype-extension.jsonUS Public Health Named Event Type Extensionactive2023-103
hl7.fhir.us.bfdrR4StructureDefinition/StructureDefinition-Extension-encounter-maternity-reference.jsonEncounter Maternity Referencedraftpher2025-082
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-alternative-expression-extension.jsonUS Public Health Alternative Expression Extensionactive2023-10
hl7.fhir.us.ecrR4StructureDefinition/StructureDefinition-eicr-trigger-code-flag-extension.jsoneICR Trigger Code Flag Extensiontrial-use3pher2026-082
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-codesystem-property-required-binding-extension.jsonUS Public Health CodeSystem Property Required Binding Extensionactive2023-101
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-determination-of-reportability-rule-extension.jsonUS Public Health Determination of Reportability Rule Extensionactive2023-101
hl7.fhir.us.ecr.r4bR4BStructureDefinition/StructureDefinition-us-ph-determination-of-reportability-rule-extension.jsonUS Public Health Determination of Reportability Rule Extensionactivepher2024-10
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-therapeutic-medication-response-extension.jsonUS Public Health Therapeutic Medication Response Extensionactive2023-101
hl7.fhir.us.coreR4StructureDefinition/StructureDefinition-us-core-tribal-affiliation.jsonUS Core Tribal Affiliation Extensiontrial-use3cgp2023-104
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-data-encryption-algorithm-extension.jsonUS Public Health Data Encryption Algorithm Extensiondraft2019-091
hl7.fhir.us.central-cancer-registry-reporting.r4R4StructureDefinition/StructureDefinition-us-ph-tribal-affiliation-extension.jsonUS Public Health Tribal Affiliation Extensionactivepher2024-051
hl7.fhir.us.ecr.r4bR4BStructureDefinition/StructureDefinition-us-ph-tribal-affiliation-extension.jsonUS Public Health Tribal Affiliation Extensionactivepher2024-101
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-tribal-affiliation-extension.jsonUS Public Health Tribal Affiliation Extensionactive2023-101
hl7.fhir.us.ecrR4StructureDefinition/StructureDefinition-rr-external-resource-extension.jsonRR External Resource Extensiontrial-use3pher2026-082
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-usagewarning-extension.jsonUS Public Health Usage Warning Extensiondraft2023-101
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-information-recipient-extension.jsonUS Public Health Information Recipient Extensionactive2023-101
hl7.fhir.us.ecr.r4bR4BStructureDefinition/StructureDefinition-us-ph-therapeutic-medication-response-extension.jsonUS Public Health Therapeutic Medication Response Extensionactivepher2021-081
hl7.fhir.us.ecrR4StructureDefinition/StructureDefinition-eicr-initiation-type-extension.jsoneICR Initiation Type Extensiontrial-use3pher2026-082
hl7.fhir.us.medmorphR4StructureDefinition/StructureDefinition-us-ph-report-initiation-type.jsonUS Initiation Type Extensionactive2023-061
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-date-determined-extension.jsonUS Public Health Date Determined Extensionactive2023-101
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-date-recorded-extension.jsonUS Public Health Date Recorded Extensionactive2023-101
hl7.fhir.us.ecrR4StructureDefinition/StructureDefinition-rr-eicr-receipt-time-extension.jsoneICR Receipt Time Extensiontrial-use3pher2026-081
hl7.fhir.us.ecr.r4bR4BStructureDefinition/StructureDefinition-us-ph-determination-of-reportability-extension.jsonUS Public Health Determination of Reportability Extensionactivepher2024-10
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-determination-of-reportability-extension.jsonUS Public Health Determination of Reportability Extensionactive2023-101
hl7.fhir.us.ecrR4StructureDefinition/StructureDefinition-rr-eicr-processing-status-extension.jsoneICR Processing Status Extensiontrial-use3pher2026-081
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-trust-service-endpoint-extension.jsonUS Public Health Trust Service Endpoint Extensionactive2023-10
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-async-indicator-extension.jsonUS Public Health Async Indicator Extensionactive2023-101
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-expected-response-time-extension.jsonUS Public Health Expected Response Time Extensionactive2023-101
hl7.fhir.us.ecrR4StructureDefinition/StructureDefinition-rr-priority-extension.jsonReportability Response Priority Extensiontrial-use3pher2026-082
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-determination-of-reportability-reason-extension.jsonUS Public Health Determination of Reportability Reason Extensionactive2023-101
hl7.fhir.us.ecr.r4bR4BStructureDefinition/StructureDefinition-us-ph-determination-of-reportability-reason-extension.jsonUS Public Health Determination of Reportability Reason Extensionactivepher2024-10
hl7.fhir.us.vr-common-libraryR4StructureDefinition/StructureDefinition-Extension-reported-parent-age-at-delivery-vr.jsonReported Parent Age At Delivery Vital Recordsactivepher2026-061
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-address-extension.jsonUS Public Health Address Extensionactive2023-102
hl7.fhir.us.ecr.r4bR4BStructureDefinition/StructureDefinition-us-ph-address-extension.jsonUS Public Health Address Extensionactivepher2024-102
hl7.fhir.us.ph-libraryR4StructureDefinition/StructureDefinition-us-ph-report-initiation-type-extension.jsonUS Public Health Initiation Type Extensionactive2023-10
hl7.fhir.us.davinci-deqmR4StructureDefinition/StructureDefinition-extension-submitDataUpdateType.jsonDEQM Submit Data Update Type Extensiontrial-use4cqi2025-051
fhir.r4.ukcore.stu3.currentbuildR4StructureDefinition/Extension-UKCore-AddressKey.jsonExtension UK Core Address Keyactive2023-121
fhir.r4.ukcore.stu3.currentbuildR4StructureDefinition/Extension-UKCore-MedicationStatementLastIssueDate.jsonExtension UK Core Medication Statement Last Issue Dateactive2024-071
fhir.r4.ukcore.stu3.currentbuildR4StructureDefinition/Extension-UKCore-DeliveryChannel.jsonExtension UK Core Delivery Channelactive2024-062
fhir.r4.ukcore.stu3.currentbuildR4StructureDefinition/Extension-UKCore-VaccinationProcedure.jsonExtension UK Core Vaccination Procedureactive2022-121
fhir.r4.ukcore.stu3.currentbuildR4StructureDefinition/Extension-UKCore-MedicationPrescribingOrganizationType.jsonExtension UK Core Medication Prescribing Organization Typeactive2022-081
fhir.r4.ukcore.stu3.currentbuildR4StructureDefinition/Extension-UKCore-ParentPresent.jsonExtension UK Core Parent Presentactive2022-081
hl7.fhir.us.coreR4StructureDefinition/StructureDefinition-us-core-direct.jsonUS Core Direct email Extensiontrial-use3cgp2022-11
fhir.r4.ukcore.stu3.currentbuildR4StructureDefinition/Extension-UKCore-NHSNumberUnavailableReason.jsonExtension UK Core NHS Number Unavailable Reasonactive2023-04
fhir.r4.ukcore.stu3.currentbuildR4StructureDefinition/Extension-UKCore-Coverage.jsonExtension UK Core Coverageactive2023-042
fhir.r4.ukcore.stu3.currentbuildR4StructureDefinition/Extension-UKCore-PriorityReason.jsonExtension UK Core Priority Reasonactive2023-042
hl7.fhir.us.pacio-rtR4StructureDefinition/StructureDefinition-clinicalImpression.jsonBasedOnClinicalImpressionactive2022-101
hl7.fhir.us.davinci-deqmR4StructureDefinition/StructureDefinition-extension-careGapRemark.jsonDEQM Care Gap Remark Extensiontrial-use4cqi2024-121
hl7.fhir.us.bserR4StructureDefinition/StructureDefinition-query-description.jsonQueryDescriptionactive2025-041
hl7.fhir.us.insurance-cardR4StructureDefinition/StructureDefinition-C4DIC-CardIssueDate-extension.jsonCard Issue Datetrial-use2claims2026-081
hl7.fhir.us.insurance-cardR4StructureDefinition/StructureDefinition-C4DIC-PlanBeneficiaries-extension.jsonPlan Beneficiariestrial-use2claims2026-081
hl7.fhir.us.insurance-cardR4StructureDefinition/StructureDefinition-C4DIC-BeneficiaryCostString-extension.jsonBeneficiary Cost as Stringtrial-use2claims2026-081
fhir.ca-bc.clientR4StructureDefinition/StructureDefinition-bc-birthdate-history-extension.jsonBC Birth Date Historyactive2025-021
fhir.ca-bc.clientR4StructureDefinition/StructureDefinition-bc-death-date-history-extension.jsonBC Death Date Historyactive2025-021
fhir.ca-bc.clientR4StructureDefinition/StructureDefinition-bc-death-verified-flag-history-extension.jsonBC Death Verified Flag Historyactive2025-021
fhir.ca-bc.clientR4StructureDefinition/StructureDefinition-bc-gender-history-extension.jsonBC Gender Historyactive2025-021
fhir.ca-bc.clientR4StructureDefinition/StructureDefinition-bc-multiplebirth-history-extension.jsonBC Multiple Birth Historyactive2025-021
hl7.fhir.us.davinci-deqmR4StructureDefinition/StructureDefinition-extension-calculatedDate.jsonDEQM Calculated Date Extensiontrial-use4cqi2018-063
fhir.r4.wales.testR4StructureDefinition/Extension-DataStandardsWales-DocumentErrorStatus.jsonExtension Data Standards Wales Document Error Statusdraft2025-091
hl7.fhir.us.ecr.r4bR4BStructureDefinition/StructureDefinition-us-ph-initiation-reason-extension.jsonUS Public Health Initiation Reason Extensionactivepher2024-10
hl7.fhir.us.carin-rtpbcR4StructureDefinition/StructureDefinition-rtpbc-benefitRestriction.jsonRTPBC benefitRestriction Extensiontrial-use1phx2020-052
hl7.fhir.us.carin-rtpbcR4StructureDefinition/StructureDefinition-rtpbc-relatedCoverage.jsonRTPBC relatedCoverage Extensiontrial-use1phx2026-022
hl7.fhir.us.carin-rtpbcR4StructureDefinition/StructureDefinition-rtpbc-nextAvailableFillDate.jsonRTPBC nextAvailableFillDate Extensiontrial-use1phx2025-122
hl7.fhir.us.carin-rtpbcR4StructureDefinition/StructureDefinition-rtpbc-formularyStatus.jsonRTPBC formularyStatus Extensiontrial-use1phx2025-102
hl7.fhir.us.carin-rtpbcR4StructureDefinition/StructureDefinition-rtpbc-preferenceLevel.jsonRTPBC preferenceLevel Extensiontrial-use1phx2025-122
fhir.r4.ukcore.stu3.currentbuildR4StructureDefinition/Extension-UKCore-ServiceRequestMethod.jsonExtension UK Core Service Request Methodretired2022-05
fhir.r4.ukcore.stu3.currentbuildR4StructureDefinition/Extension-UKCore-SourceOfServiceRequest.jsonExtension UK Core Source Of Service Requestactive2022-122
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-identifier-status.jsonNDH Identifier Statustrial-use4pa2017-1110
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-logo.jsonNDH Logotrial-use4pa2026-083
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-endpoint-reference.jsonNDH Endpoint Referencetrial-use4pa2026-082
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-newpatients-characteristics.jsonNDH New Patients Characteristicstrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-rating-details.jsonNDH Rating Detailstrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-endpoint-environment-type.jsonNDH Endpoint EnvironmentTypetrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-org-alias-type.jsonNDH Organization Alias Typetrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-accessibility.jsonNDH Accessibilitytrial-use4pa2026-082
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-security-details.jsonNDH Security Detailstrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-verification-status.jsonNDH Verification Statustrial-use4pa2026-0811
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-dynamicRegistration.jsonNDH Dynamic Registrationtrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-location-reference.jsonNDH Location Referencetrial-use4pa2026-083
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-endpointAccessControlMechanism.jsonNDH Endpoint Access Control Mechanismtrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-delivery-method.jsonNDH Delivery Methodtrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-implementation-guide.jsonNDH Implementation Guide Supportedtrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-communication-proficiency.jsonNDH Communication Proficiencytrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-service-or-program-requirement.jsonNDH HealthcareService or Program Requirementtrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-requiredDocument.jsonNDH Required Documenttrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-network-reference.jsonNDH Network Referencetrial-use4pa2026-082
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-endpoint-rank.jsonNDH Endpoint Ranktrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-fundingSource.jsonNDH Funding Sourcetrial-use4pa2026-082
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-insuranceplan-reference.jsonNDH InsurancePlan Referencetrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-org-description.jsonNDH Org Descriptiontrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-secureExchangeArtifacts.jsonNDH Secure Exchange Artifactstrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-practitioner-qualification-scope.jsonNDH Practitioner Qualification Scope where valid and statustrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-endpoint-ihe-specific-connection-type.jsonNDH Endpoint IHE Specific Connection Typetrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-ndh-age-range.jsonNDH Age Rangetrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-ndh-age-group.jsonNDH Age Grouptrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-associatedServers.jsonNDH Associated Serverstrial-use4pa2026-081
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-newpatients.jsonNDH New Patientstrial-use4pa2026-083
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-rating.jsonNDH Ratingtrial-use4pa2026-084
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-language-speak.jsonNDH Language Speaktrial-use4pa2026-083
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-paymentAccepted.jsonNDH Payment Acceptedtrial-use4pa2026-082
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-org-alias-period.jsonNDH Organization Alias Periodtrial-use4pa2026-081
hl7.fhir.us.insurance-cardR4StructureDefinition/StructureDefinition-C4DIC-BackgroundColor-extension.jsonBackground Colortrial-use2claims2026-081
hl7.fhir.us.insurance-cardR4StructureDefinition/StructureDefinition-C4DIC-ForegroundColor-extension.jsonForeground Colortrial-use2claims2026-081
hl7.fhir.us.insurance-cardR4StructureDefinition/StructureDefinition-C4DIC-HighlightColor-extension.jsonHighlight Colortrial-use2claims2026-081
hl7.fhir.us.insurance-cardR4StructureDefinition/StructureDefinition-C4DIC-QRCode-extension.jsonQR Codetrial-use2claims2026-081
hl7.fhir.us.insurance-cardR4StructureDefinition/StructureDefinition-C4DIC-Barcode-extension.jsonBarcodetrial-use2claims2026-081
hl7.fhir.us.insurance-cardR4StructureDefinition/StructureDefinition-C4DIC-Logo-extension.jsonLogotrial-use2claims2026-081
hl7.fhir.us.insurance-cardR4StructureDefinition/StructureDefinition-C4DIC-SupportingImage-extension.jsonSupporting imagetrial-use2claims2026-081
hl7.fhir.us.insurance-cardR4StructureDefinition/StructureDefinition-C4DIC-AdditionalCardInformation-extension.jsonAdditional Insurance Card Informationtrial-use2claims2026-081
fhir.r4.ukcore.stu3.currentbuildR4StructureDefinition/Extension-UKCore-DeviceReference.jsonExtension UK Core Device Referenceactive2024-072
hl7.fhir.us.insurance-cardR4StructureDefinition/StructureDefinition-C4DIC-ColorPalette-extension.jsonColor Palettetrial-use2claims2026-081
hl7.fhir.us.davinci-raR4StructureDefinition/StructureDefinition-ra-groupReference.jsonGroup Reference Extensiontrial-use2cqi2026-042
hl7.fhir.us.carin-rtpbcR4StructureDefinition/StructureDefinition-rtpbc-isAlternative.jsonRTPBC isAlternative Extensiontrial-use1phx2020-052
hl7.fhir.us.coreR4StructureDefinition/StructureDefinition-us-core-interpreter-needed.jsonUS Core Interpreter Needed Extensiontrial-use2cgp2024-092
hl7.fhir.us.coreR4StructureDefinition/StructureDefinition-us-core-authentication-time.jsonUS Core Authentication Time Extensiondeprecated2cgp2024-10
hl7.fhir.us.home-lab-report.r4R4StructureDefinition/StructureDefinition-Extension-sex-for-clinical-use.jsonExtension - Sex For Clinical Useactive2022-10
fhir.onc.us-quality-coreR4StructureDefinition/StructureDefinition-uscdiplusquality.jsonUS Quality Core USCDI+ Quality Extensionactive2026-06
hl7.fhir.us.cimilabsR4StructureDefinition/StructureDefinition-lab-document.jsonLab Document extensiondraft2023-081
signal.core.r4R4StructureDefinition/StructureDefinition-extension-SignalServiceRequestProvider.jsonSignalServiceRequestProviderdraft
hl7.fhir.us.davinci-pctR4StructureDefinition/StructureDefinition-gfeBillingProviderLineItemCtrlNum.jsonGFEBillingProviderLineItemCtrlNumtrial-use2fm2026-032
hl7.fhir.us.davinci-pctR4StructureDefinition/StructureDefinition-providerEventMethodology.jsonProviderEventMethodologytrial-use2fm2026-032
hl7.fhir.us.quality-coreR4StructureDefinition/StructureDefinition-us-quality-core-uscdi-quality-extension.jsonUS Quality Core USCDI+ Quality Extensiontrial-use4cqi2026-06
hl7.fhir.us.davinci-pctR4StructureDefinition/StructureDefinition-serviceDescription.jsonService Descriptiontrial-use2fm2026-035
hl7.fhir.us.davinci-pctR4StructureDefinition/StructureDefinition-processNoteClass.jsonProcessNote Classtrial-use2fm2026-032
hl7.fhir.us.pacio-csR4StructureDefinition/StructureDefinition-event-location.jsonObservationEventLocationactive2024-113
hl7.fhir.us.pacio-fsR4StructureDefinition/StructureDefinition-event-location.jsonObservationEventLocationactive2021-113
hl7.fhir.us.pacio-pfeR4StructureDefinition/StructureDefinition-event-location.jsonObservationEventLocationtrial-use3pc2026-084
hl7.fhir.us.davinci-pctR4StructureDefinition/StructureDefinition-providerTaxonomy.jsonProviderTaxonomytrial-use2fm2026-032
hl7.fhir.us.davinci-pctR4StructureDefinition/StructureDefinition-subjectToMedicalMgmt.jsonSubject To Medical Managementtrial-use2fm2026-031
hl7.fhir.us.davinci-pctR4StructureDefinition/StructureDefinition-gfeServiceLinkingInfo.jsonGFEServiceLinkingInfotrial-use2fm2026-035
hl7.fhir.us.davinci-pctR4StructureDefinition/StructureDefinition-referralNumber.jsonReferralNumbertrial-use2fm2026-032
fhir.r4.ukcore.stu3.currentbuildR4StructureDefinition/Extension-UKCore-AssociatedEncounter.jsonExtension UK Core Associated Encounteractive2024-071
hl7.fhir.us.davinci-pctR4StructureDefinition/StructureDefinition-gfeReference.jsonGFE Referencetrial-use2fm2026-031
hl7.fhir.us.bfdrR4StructureDefinition/StructureDefinition-Extension-jurisdictional-facility-identifier.jsonJurisdictional Facility Identifierdraftpher2025-081
hl7.fhir.us.bfdrR4StructureDefinition/StructureDefinition-practitioner-role-birth-attendant.jsonPractitioner Role - Birth Attendantdraftpher2025-081
hl7.fhir.us.bfdrR4StructureDefinition/StructureDefinition-practitioner-role-birth-certifier.jsonPractitioner Role - Certifierdraftpher2025-081
fhir.r4.wales.testR4StructureDefinition/Extension-DataStandardsWales-DocumentErrorAction.jsonExtension Data Standards Wales Document Error Actiondraft2025-091
hl7.fhir.us.davinci-pctR4StructureDefinition/StructureDefinition-inNetworkProviderOptionsLink.jsonIn Network Provider Options Linktrial-use2fm2026-032
hl7.fhir.us.cancer-reportingR4StructureDefinition/StructureDefinition-composition-diagnosticReportReference.jsonDocument DiagnosticReport Referencetrial-use2oo2025-101
hl7.fhir.us.healthedata1-sandboxR4StructureDefinition/StructureDefinition-us-core-accommodation.jsonUS Core Accommodation Extensionactive22026-05
hl7.fhir.us.ecr.r4bR4BStructureDefinition/StructureDefinition-us-ph-information-recipient-extension.jsonUS Public Health Information Recipient Extensionactivepher2024-101
hl7.fhir.us.ndhR4StructureDefinition/StructureDefinition-base-ext-service-offered.jsonService Offered for a Grouptrial-use4pa2026-081
hl7.fhir.us.ecr.r4bR4BStructureDefinition/StructureDefinition-us-ph-alternative-expression-extension.jsonUS Public Health Alternative Expression Extensionactivepher2024-10
hl7.fhir.us.coreR4StructureDefinition/StructureDefinition-us-core-genderIdentity.jsonUS Core Gender Identity Extensiondeprecated3cgp2025-04
fhir.r4.wales.testR4StructureDefinition/Extension-DataStandardsWales-DocumentAttribute.jsonExtension Data Standards Wales Document Attributedraft2025-081
fhir.r4.wales.testR4StructureDefinition/Extension-DataStandardsWales-AdministeredProduct.jsonExtension Data Standards Wales Administered Productdraft2025-041
fhir.r4.wales.testR4StructureDefinition/Extension-DataStandardsWales-DocumentDigitalStatus.jsonExtension Data Standards Wales Document Digital Statusdraft2025-081