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Extensions

10,572 resources

Context: Text:

By Version

R2: 0
R2B: 0
R3: 402
R4: 5,488
R4B: 1,908
R5: 2,740
R6: 34

By Authority

none: 3,123
hl7: 7,075
ihe: 59
national: 286
who: 29

By Realm

none: 2,983
au: 53
be: 45
br: 23
ca: 131
ch: 83
cl: 96
cr: 22
cz: 20
de: 189
dk: 232
ee: 33
eu: 77
fi: 33
fr: 176
il: 35
in: 4
it: 11
jp: 30
kr: 4
nl: 231
no: 13
nz: 29
pl: 34
pt: 12
se: 4
stt: 51
tw: 33
us: 1,057
uv: 4,815
other: 4

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Package	Version	Identity	Name/Title	Status	FMM	WG	Date	Realm	Auth	Context	Modifier	Type
hl7.fhir.uv.tools	R5	StructureDefinition-json-name.json	Json Property Name Extension	informative	4	fhir	2026-02	uv	hl7	Context: ElementDefinition	Type:string	Mod:0
hl7.fhir.uv.tools	R5	StructureDefinition-xml-name.json	Xml Element Name Extension	informative	4	fhir	2026-02	uv	hl7	Context: StructureDefinition,ElementDefinition	Type:string	Mod:0
fhir.ca-bc.provider	R4	StructureDefinition-bc-facility-details-extension.json	BC Facility Details Extension	draft			2025-02	us	hl7	Context: Location	Type:complex	Mod:0
hl7.fhir.uv.livd	R4	StructureDefinition-ext-region.json	LIVD Region	trial-use	2	oo	2026-01	uv	hl7	Context: Composition	Type:CodeableConcept	Mod:0
hl7.fhir.uv.extensions	R5	StructureDefinition-elementdefinition-profile-element.json	Profile Element	trial-use	3	fhir	2015-02	uv	hl7	Context: ElementDefinition.type.profile	Type:string	Mod:0
nictiz.fhir.nl.stu3.zib2017	R3	extension-code-specification.json	HCIM extension code-specification	active				nl	hl7	Context: code,Coding,Address.country,CodeableConcept	Type:CodeableConcept	Mod:0
laniado.test.fhir.r4	R4	StructureDefinition-code-specification.json	Laniado Code Specification	draft						Context: code,Coding,Address.country,HumanName.prefix,CodeableConcept	Type:CodeableConcept	Mod:0
hl7.fhir.us.vr-common-library	R4	StructureDefinition-Extension-partial-date-vr.json	Partial Date Vital Records	active		pher	2025-05	us	hl7	Context: date	Type:complex	Mod:0
hl7.fhir.us.vr-common-library	R4	StructureDefinition-Extension-partial-date-time-vr.json	Partial Date Time Vital Records	active		pher	2025-05	us	hl7	Context: dateTime,date	Type:complex	Mod:0
hl7.fhir.us.spl	R5	StructureDefinition-sectionEffectiveTime.json	SectionEffectiveTime	trial-use	1	brr	2025-07	us	hl7	Context: Composition.section,Composition.section.section,Composition.section.section.section	Type:dateTime,Period	Mod:0
example.fhir.ph.core	R4	StructureDefinition-province.json	Province	draft			2026-02			Context: Address	Type:Coding	Mod:0
elga.moped	R5	StructureDefinition-moped-ext-PaymentPercentage.json	Prozentsatz der Zahlung	draft			2026-01			Context: https://elga.moped.at/StructureDefinition/MopedARKStatusUpdate#PaymentReconciliation	Type:decimal	Mod:0
hl7.fhir.pl.ssidl	R5	StructureDefinition-observationDefinition-unitConversion.json	Przelicznik jednostek (SSIDL)	active			2026-02	pl	hl7	Context: ObservationDefinition	Type:complex	Mod:0
hl7.fhir.pl.laboratory.r5	R5	StructureDefinition-observationDefinition-unitConversion.json	ObservationDefinition: Unit conversion (PL)	draft			2025-07	pl	hl7	Context: ObservationDefinition	Type:complex	Mod:0
hl7.fhir.fr.core	R4	StructureDefinition-fr-core-patient-death-place.json	FR Core Patient Death Place Extension	active			2026-02	fr	hl7	Context: Patient	Type:Address	Mod:0
hl7.fhir.fr.core	R4	StructureDefinition-fr-core-identity-reliability.json	FR Core Patient Ident Reliability Extension	active			2026-02	fr	hl7	Context: Patient	Type:complex	Mod:0
hl7.fhir.fr.core	R4	StructureDefinition-fr-core-patient-birth-list-given-name.json	FR Core Patient Birth List Given name Extension	active			2026-02	fr	hl7	Context: Patient.name	Type:string	Mod:0
rki.demis.common	R4	StructureDefinition-PseudonymRecordType.json	Pseudonym des Patientendatensatzes	active			2023-10	de		Context: Patient	Type:complex	Mod:0
basisprofil.tiplu.de.r4.dev	R4	StructureDefinition-Zwangseinweisung.json	Psychiatrische Zwangseinweisung	active			2025-05			Context: Account	Type:complex	Mod:0
hl7.fhir.cl.minsal.quirurgico	R4	StructureDefinition-PueblosAfrodescendiente.json	Pueblos Afrodescendiente	draft			2025-12	cl	hl7	Context: Patient	Type:boolean	Mod:0
hl7.fhir.cl.minsal.nid	R4	StructureDefinition-PueblosAfrodescendiente.json	Pueblos Afrodescendiente	draft			2025-12	cl	hl7	Context: Patient	Type:boolean	Mod:0
hl7.fhir.cl.minsal.urgencia	R4	StructureDefinition-PueblosAfrodescendiente.json	Pueblos Afrodescendiente	draft			2025-12	cl	hl7	Context: Patient	Type:boolean	Mod:0
hl7.fhir.cl.minsal.tei	R4	StructureDefinition-PueblosAfrodescendiente.json	Pueblos Afrodescendiente	draft			2025-11	cl	hl7	Context: Patient	Type:boolean	Mod:0
hl7.fhir.cl.minsal.quirurgico	R4	StructureDefinition-PueblosOriginariosPerteneciente.json	Pueblos Originarios Perteneciente	draft			2025-12	cl	hl7	Context: Patient	Type:boolean	Mod:0
hl7.fhir.cl.minsal.urgencia	R4	StructureDefinition-PueblosOriginariosPerteneciente.json	Pueblos Originarios Perteneciente	draft			2025-12	cl	hl7	Context: Patient	Type:boolean	Mod:0
hl7.fhir.cl.minsal.tei	R4	StructureDefinition-PueblosOriginariosPerteneciente.json	Pueblos Originarios Perteneciente	draft			2025-11	cl	hl7	Context: Patient	Type:boolean	Mod:0
pc.ig	R4	StructureDefinition-clinical-variable-heart-rate.json	Heart rate	draft			2026-02			Context: Element	Type:integer	Mod:0
hl7.fhir.uv.extensions	R5	StructureDefinition-familymemberhistory-type.json	FamilyMemberHistory Type	trial-use	3	pc	2015-02	uv	hl7	Context: FamilyMemberHistory	Type:CodeableConcept	Mod:0
hl7.fhir.uv.vhdir	R4	StructureDefinition-qualification.json	VhDir Qualification	trial-use	2	pa	2017-12	uv	hl7	Context: Organization,PractitionerRole	Type:complex	Mod:0
hl7.eu.fhir.idea4rc	R4	StructureDefinition-mcode-body-location-qualifier.json	Body Location Qualifier	draft			2026-01	eu	hl7	Context: Element	Type:CodeableConcept	Mod:0
hl7.eu.fhir.pcsp	R4	StructureDefinition-mcode-body-location-qualifier.json	Body Location Qualifier	active			2026-01	eu	hl7	Context: Element	Type:CodeableConcept	Mod:0
hl7.fhir.us.mcode	R4	StructureDefinition-mcode-body-location-qualifier.json	Body Location Qualifier Extension	active	4	cic	2025-02	us	hl7	Context: Extension,DomainResource,Specimen.collection.bodySite,Condition.bodySite,Procedure.bodySite,Observation.bodySite,ServiceRequest.bodySite,CodeableConcept	Type:CodeableConcept	Mod:0
nictiz.fhir.nl.stu3.zib2017	R3	bodysite-qualifier.json	BodySite Qualifier	active				nl	hl7	Context: CodeableConcept	Type:CodeableConcept	Mod:0
hl7.eu.fhir.idea4rc	R4	StructureDefinition-mcode-laterality-qualifier.json	Laterality Qualifier	draft			2026-01	eu	hl7	Context: Element	Type:CodeableConcept	Mod:0
hl7.eu.fhir.pcsp	R4	StructureDefinition-mcode-laterality-qualifier.json	Laterality Qualifier	active			2026-01	eu	hl7	Context: Element	Type:CodeableConcept	Mod:0
hl7.fhir.us.mcode	R4	StructureDefinition-mcode-laterality-qualifier.json	Laterality Qualifier Extension	active	4	cic	2025-02	us	hl7	Context: Extension,DomainResource,Specimen.collection.bodySite,Condition.bodySite,Procedure.bodySite,Observation.bodySite,CodeableConcept,ServiceRequest.bodySite	Type:CodeableConcept	Mod:0
hl7.fhir.us.breastcancer	R3	StructureDefinition-cimi-entity-SpecimenQuantity-extension.json	BC SpecimenQuantity Extension	draft			2018-08	us	hl7	Context: Element	Type:complex	Mod:0
de.medizininformatikinitiative.kerndatensatz.laborbefund	R4	StructureDefinition-mii-ex-labor-quelle-klinisches-bezugsdatum.json	MII EX Labor Quelle Klinisches Bezugsdatum	active				de		Context:	Type:Coding	Mod:0
hl7.fhir.us.dafresearch	R3	StructureDefinition-daf-query-format.json	Query Formats	draft			2016-08	us	hl7	Context: OperationDefinition	Type:complex	Mod:0
tw.gov.mohw.twcore	R4	StructureDefinition-questionnaire-url.json	Questionnaire Url	active			2025-11	tw	national	Context: QuestionnaireResponse	Type:uri	Mod:0
hl7.fhir.us.codex-radiation-therapy	R4	StructureDefinition-codexrt-radiotherapy-disease-progression-qualifier.json	Radiotherapy Disease Progression Qualifier	trial-use		cgp	2026-02	us	hl7	Context: Observation,CodeableConcept	Type:CodeableConcept	Mod:0
hl7.fhir.us.codex-radiation-therapy	R4	StructureDefinition-codexrt-radiotherapy-treatment-applicator-type.json	Treatment Applicator Type	trial-use		cgp	2026-02	us	hl7	Context: Device,Procedure,ServiceRequest,ActivityDefinition	Type:CodeableConcept	Mod:0
hl7.fhir.fr.core	R4	StructureDefinition-fr-core-organization-raison-sociale.json	FR Core Organization Raison Sociale Extension	active			2026-02	fr	hl7	Context: https://hl7.fr/ig/fhir/core/StructureDefinition/fr-core-organization-etablissement#Organization	Type:string	Mod:0
hl7.fhir.us.directory-query	R4	StructureDefinition-rating.json	Rating	active			2022-12	us	hl7	Context: Element	Type:complex	Mod:0
hl7.fhir.us.ndh	R4	StructureDefinition-base-ext-rating.json	NDH Rating	trial-use	4	pa	2025-12	us	hl7	Context: Practitioner,Organization,HealthcareService,PractitionerRole	Type:complex	Mod:0
hl7.fhir.us.ndh	R4	StructureDefinition-base-ext-rating-details.json	NDH Rating Details	trial-use	4	pa	2025-12	us	hl7	Context:	Type:complex	Mod:0
pc.ig	R4	StructureDefinition-transplant-donor-recipient-weight-ratio.json	Donor/recipient weight ratio	draft			2026-02			Context: Element	Type:decimal	Mod:0
ig-ee-medication-scheme	R5	StructureDefinition-ee-tis-course-of-therapy-type.json	ExtensionEETISCourseOfTherapyType	draft			2023-11	ee		Context: MedicationRequest	Type:CodeableConcept	Mod:0
ig-ee-medication-scheme	R5	StructureDefinition-ee-tis-medicinal-product-name.json	ExtensionEETISMedicinalProductName	draft			2023-10	ee		Context: Medication	Type:string	Mod:0
ca.infoway.io.core	R4	StructureDefinition-patient-birthTime.json	Birth Time	trial-use	2			ca	national	Context: Person.birthDate,Patient.birthDate	Type:date,Meta,Address,Attachment,integer,Count,DataRequirement,Dosage,uuid,Identifier,Coding,SampledData,id,positiveInt,Distance,Period,Duration,canonical,Range,RelatedArtifact,base64Binary,UsageContext,Timing,decimal,CodeableConcept,ParameterDefinition,dateTime,code,string,Contributor,oid,instant,ContactPoint,HumanName,Money,markdown,Ratio,Age,Reference,TriggerDefinition,Quantity,uri,url,Annotation,ContactDetail,boolean,Expression,Signature,unsignedInt,time	Mod:0
hl7.fhir.us.davinci-deqm	R4	StructureDefinition-reasonDetail.json	Reason Detail	trial-use	4	cqi	2025-12	us	hl7	Context: GuidanceResponse.reasonCode	Type:complex	Mod:0
tewhatuora.rheumaticfever	R4	StructureDefinition-rf-diagnosis-override-reason.json	Reason for overriding rheumatic fever diagnosis	draft			2026-02		national	Context: Condition	Type:string	Mod:0
PHCDI	R4	StructureDefinition-SignatureReason.json	Reason for the Signature	draft			2026-02			Context: Signature	Type:string	Mod:0
nictiz.fhir.nl.stu3.zib2017	R3	deviceUseStatement-reasonReferenceSTU3.json	Backported DeviceUseStatement.reasonReference for STU3	active				nl	hl7	Context: DeviceUseStatement	Type:complex	Mod:0
hl7.fhir.us.breastcancer	R3	StructureDefinition-cimi-context-ExceptionValue-extension.json	BC ExceptionValue Extension	draft			2018-08	us	hl7	Context: Element	Type:complex	Mod:0
ch.fhir.ig.ch-orf	R4	StructureDefinition-ch-orf-copyreceiver.json	CH ORF Copy Receiver	active			2025-12	ch	hl7	Context: Composition	Type:Reference	Mod:0
de.gkvsv.erezeptabrechnungsdaten	R4	GKVSV_EX_ERP_TA7_Rechnungsdatum.json	GKVSV_EX_ERP_TA7_Rechnungsdatum	active			2024-05			Context: dateTime	Type:complex	Mod:0
medcom.fhir.dk.hospitalnotification	R4	StructureDefinition-medcom-messaging-reportOfAdmissionRecipientExtension.json	MedComReportOfAdmissionRecipientExtension	active			2026-02	dk		Context: Element	Type:Reference	Mod:0
hl7.fhir.cr.imaging-report	R5	StructureDefinition-cr-hl7idr-recommendation.json	HL7 IDR Recommendation	draft	0	cgp	2026-01	cr	hl7	Context: DiagnosticReport	Type:Reference	Mod:0
dk.ehealth.sundhed.fhir.ig.core	R4	StructureDefinition-ehealth-recommendation.json	recommendation	active			2026-01	dk		Context: Element	Type:CodeableConcept	Mod:0
hl7.fhir.eu.imaging-r5	R5	StructureDefinition-HL7IDRRecommendation.json	Extension: HL7IDR Recommendation	draft			2026-02	eu	hl7	Context: DiagnosticReport	Type:Reference	Mod:0
hl7.fhir.eu.imaging-r4	R4	StructureDefinition-HL7IDRRecommendation.json	Extension: HL7IDR Recommendation	draft			2026-02	eu	hl7	Context: DiagnosticReport	Type:Reference	Mod:0
ihe.rad.idr	R5	StructureDefinition-idrRecommendation.json	IDR Recommendation	draft			2024-06	uv	ihe	Context: DiagnosticReport	Type:Reference	Mod:0
myhie.v4-test	R4	extension-audit-my-core.json	ExtensionAudit (MY Core)	active			2023-02			Context: Appointment,Condition,Organization,MedicationKnowledge,Patient,HealthcareService,PractitionerRole,Practitioner,Schedule,Medication,Encounter,Slot,Location	Type:complex	Mod:0
hl7.fhir.uv.extensions	R5	StructureDefinition-bodySite.json	BodyStructure Reference	trial-use	3	fhir	2013-12	uv	hl7	Context: Condition.bodySite,Procedure.bodySite,MedicationAdministration.dosage,Specimen.collection,Dosage.site,Observation.bodySite	Type:Reference	Mod:0
hl7.fhir.uv.extensions	R5	StructureDefinition-openEHR-exposureDate.json	AllergyIntolerance Exposure Date	trial-use	3	pc	2014-10	uv	hl7	Context: AllergyIntolerance.reaction	Type:dateTime	Mod:0
hl7.fhir.uv.extensions	R5	StructureDefinition-individual-recordedSexOrGender.json	Person Recorded Sex Or Gender	trial-use	1	pa	2022-01	uv	hl7	Context: Practitioner,Patient,Person,RelatedPerson	Type:complex	Mod:0
fhir.kenyaClaimsIG	R4	StructureDefinition-vital-signs.json	Vital Signs	draft			2025-12	us	hl7	Context: Element	Type:string	Mod:0
ca.on.oh.erec	R4	ext-consultation-time-TO-BE-REMOVED.json	ConsultationTime	draft				ca	national	Context: Task	Type:complex	Mod:0
sk.registry.core.r5	R5	StructureDefinition-ischemic-stroke-etiology-ext.json	Ischemic Stroke – Etiology	active			2025-10			Context: Condition	Type:CodeableConcept	Mod:0
ca.on.ehr.r4	R4	StructureDefinition-ext-original-create-date.json	Original create date prior to data migration	active				ca	national	Context: Provenance	Type:complex	Mod:0
ca.on.ehr.r4	R4	StructureDefinition-ext-original-update-date.json	Original last updated date prior to data migration	active				ca	national	Context: Provenance	Type:complex	Mod:0
pc.ig	R4	StructureDefinition-variant-occurrence-reference-allele.json	Reference allele	draft			2026-02			Context: Element	Type:string	Mod:0
koppeltaalv2.00	R4	StructureDefinition-KT2EndpointExtension.json	KT2_EndpointExtension	draft			2023-01	nl		Context: ActivityDefinition	Type:complex	Mod:0
hl7.fhir.fi.scheduling	R4	StructureDefinition-child-appointment.json	Child Appointment	draft			2025-05	fi	hl7	Context: Appointment	Type:Identifier	Mod:0
hl7.fhir.us.ndh	R4	StructureDefinition-base-ext-insuranceplan-reference.json	NDH InsurancePlan Reference	trial-use	4	pa	2025-12	us	hl7	Context: Organization	Type:Reference	Mod:0
ltsi.fhir.oncofair	R5	StructureDefinition-dueTo-tumor-pathology-event.json	Tumor Pathology Event Parent	active			2025-11			Context: Condition	Type:Reference	Mod:0
ca.on.health.idms	R5	Extension-Included-Medicinal-Product.json	Included Medicinal Product	active						Context: ServiceRequest	Type:complex	Mod:0
dk.ehmi.eer	R4	StructureDefinition-eer-dk-ap-system-extension.json	EER System Extension - AP	draft			2026-02	dk		Context:	Type:Reference	Mod:0
dk.ehmi.eer	R4	StructureDefinition-eer-dk-eua-system-extension.json	EER System Extension - EUA	draft			2026-02	dk		Context: Organization	Type:Reference	Mod:0
dk.ehmi.eer	R4	StructureDefinition-eer-dk-msh-system-extension.json	EER System Extension - MSH	draft			2026-02	dk		Context: Element	Type:Reference	Mod:0
medcom.fhir.dk.core	R4	StructureDefinition-medcom-core-practitioner-extension.json	PractitionerExtension	active			2026-02	dk		Context: Element	Type:Reference	Mod:0
hl7.fhir.uv.phd	R4	StructureDefinition-CoincidentTimeStampReference.json	Coincident Timestamp Reference	draft	1	dev	2015-03	uv	hl7	Context: Observation	Type:Reference	Mod:0
hl7.fhir.uv.symptoms	R4	StructureDefinition-FunctionalAssessment.json	Functional Assessment	trial-use	1	cic	2026-02	uv	hl7	Context: Observation.component	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-visit-concomitant-episode-ref.json	Concomitant episode ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
ig-ee-allergy	R5	StructureDefinition-ee-tis-allergy-diagnosis.json	Diagnose of allergy/intolerance	draft			2026-02	ee		Context: AllergyIntolerance.reaction	Type:Reference	Mod:0
hl7.fhir.us.davinci-vbpr	R4	StructureDefinition-group-reference.json	Group Reference	trial-use	1	cqi	2025-12	us	hl7	Context: MeasureReport.evaluatedResource	Type:string	Mod:0
medcom.fhir.dk.core	R4	StructureDefinition-medcom-core-sender-extension.json	SenderExtension	active			2026-02	dk		Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-visit-patient-instrumental-investigation-ref.json	Patient instrumental investigation ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-visit-post-event-ref.json	Post-event ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
hl7.fhir.uv.extensions	R5	StructureDefinition-servicerequest-questionnaireRequest.json	ServiceRequest Questionnaire Requested	trial-use	3	oo	2015-02	uv	hl7	Context: ServiceRequest	Type:Reference	Mod:0
dk.ehmi.eer	R4	StructureDefinition-contactdetail-organization-reference-extension.json	ContactDetailOrganizationReferenceExtension	draft			2026-02	dk		Context:	Type:Reference	Mod:0
dk.ehealth.sundhed.fhir.ig.core	R4	StructureDefinition-ehealth-episodeofcare-caremanagerOrganization.json	Caremanager organization	active			2026-01	dk		Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-outcome-clinical-variable-ref.json	Clinical variable ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-visit-clinical-variable-ref.json	Clinical variable ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-outcome-concomitant-episode-ref.json	Concomitant episode ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
kl.dk.fhir.ffbreporting	R4	StructureDefinition-kl-reporting-ffb-follow-up-date-extension.json	FollowUpDateExtension	active			2023-08	dk		Context: Element	Type:Reference	Mod:0
ca.on.health.idms	R5	Extension-PackageForExternal.json	PackageProductDefinition - Package For External	active						Context: PackageProductDefinition	Type:complex	Mod:0
hl7.fhir.us.directory-query	R4	StructureDefinition-healthcareservice-reference.json	NatlDirEndpointQry Healthcareservice Reference	active			2017-11	us	hl7	Context: CareTeam	Type:Reference	Mod:0
hl7.fhir.us.ndh.r4b	R4B	StructureDefinition-base-ext-healthcareservice-reference.json	NDH Healthcareservice Reference	trial-use		pa	2025-04	us	hl7	Context: CareTeam	Type:Reference	Mod:0
hl7.fhir.uv.vhdir	R4	StructureDefinition-healthcareservice-reference.json	VhDir Healthcareservice Reference	trial-use	2	pa	2017-11	uv	hl7	Context: CareTeam	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-visit-immunosuppressive-induction-ref.json	Immunosuppressive induction ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-visit-immunosuppressive-maintenance-ref.json	Immunosuppressive maintenance ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-outcome-lab-test-ref.json	Lab test ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-visit-lab-result-ref.json	Lab result ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-outcome-microbiology-ref.json	Microbiology ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-visit-microbiology-ref.json	Microbiology ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
hl7.org.nz.fhir.ig.formulary	R4B	StructureDefinition-nzf-link.json	Link	draft			2026-01	nz	hl7	Context: Medication	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-outcome-patient-instrumental-investigation-ref.json	Patient instrumental investigation ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-outcome-post-event-ref.json	Post event ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-visit-pre-medication-ref.json	Pre-medication ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-outcome-pre-medication-ref.json	Pre-medication ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
hl7.fhir.uv.extensions	R5	StructureDefinition-observation-reagent.json	Observation Reagent	trial-use	3	oo	2015-03	uv	hl7	Context: Observation	Type:Reference	Mod:0
hl7.fhir.cz.korder	R4	StructureDefinition-ftorder-composition-requestReference.json	FT-order Request Reference	trial-use	2		2026-02	cz	hl7	Context: Composition	Type:Reference	Mod:0
hl7.fhir.cz.korder	R4	StructureDefinition-korder-composition-requestReference.json	K-order Request Reference	trial-use	2		2026-02	cz	hl7	Context: Composition	Type:Reference	Mod:0
ca.on.health.idms	R5	IDMS-Extension-Updated-User.json	Updated User	active						Context: ServiceRequest,Organization,Practitioner,PractitionerRole,Communicaiton,Group,Binary,Consent, DocumentReference	Type:complex	Mod:0
hl7.fhir.uv.extensions	R5	StructureDefinition-list-changeBase.json	List Change Base	trial-use	3	fhir	2020-12	uv	hl7	Context: List	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-concomitant-episode-disease-ref.json	Concomitant disease ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-concomitant-medication-episode-ref.json	Concomitant episode ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-transplant-donor-ref.json	Transplant donor reference	draft			2026-02			Context: Element	Type:Reference	Mod:0
hl7.fhir.us.davinci-drug-formulary	R4	StructureDefinition-usdf-FormularyReference-extension.json	Formulary Reference	trial-use		phx	2025-02	us	hl7	Context: Basic,InsurancePlan.coverage	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-target-region-genomic-test-ref.json	Genomic test ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-epigenome-study-genomic-test-ref.json	Genomic test ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-immunosuppressive-induction-imm-ref.json	Immunosuppressant ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-visit-outcome-ref.json	Outcome ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-clinical-variable-patient-ref.json	Patient ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-concomitant-episode-patient-ref.json	Patient ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-marker-immune-function-patient-ref.json	Patient ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-outcome-patient-ref.json	Patient ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-immunosuppressive-induction-patient-ref.json	Patient ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-post-event-patient-ref.json	Patient ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-visit-bio-sample-ref.json	BioSample ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-genomic-test-reference-genome.json	Reference Genome ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-methylomic-study-reference-genome-ref.json	Reference genome ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-variant-occurrence-target-region-ref.json	Target region ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
ca.on.health.idms	R5	IDMS-Extension-Created-User.json	Created User	active						Context: ServiceRequest	Type:complex	Mod:0
pc.ig	R4	StructureDefinition-visit-transplant-ref.json	Transplant ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-outcome-type-ref.json	Outcome type ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-post-event-type-ref.json	Post event type ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-lab-test-unit-ref.json	Unit ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
pc.ig	R4	StructureDefinition-variant-annotation-variant-occurrence-ref.json	Variant occurrence ID relationship	draft			2026-02			Context: Element	Type:Reference	Mod:0
hl7.fhir.uv.extensions	R5	StructureDefinition-derivation-reference.json	Resource Derivation Reference	trial-use	2	fhir	2020-01	uv	hl7	Context: Element,Resource	Type:complex	Mod:0
nictiz.fhir.nl.stu3.zib2017	R3	nl-core-preferred-pharmacy.json	nl-core-preferred-pharmacy	active				nl	hl7	Context: Patient	Type:Reference	Mod:0
hl7.fhir.uv.extensions	R5	StructureDefinition-supplydelivery-previousDelivery.json	Previous Delivery	draft	0	oo	2025-07	uv	hl7	Context: SupplyDelivery	Type:Reference	Mod:0
hl7.fhir.uv.genomics-reporting	R4	StructureDefinition-recommended-action.json	Recommended Action	trial-use	2	cg	2026-01	uv	hl7	Context: Observation,DiagnosticReport	Type:Reference	Mod:0
hl7.fhir.uv.extensions	R5	StructureDefinition-satisfies-requirement.json	Resource Satisfies Requirement	trial-use	2	fhir	2020-01	uv	hl7	Context: Element,Resource	Type:complex	Mod:0
hl7.fhir.uv.extensions	R5	StructureDefinition-workflow-reason.json	Workflow Reason	trial-use	2	fhir	2017-12	uv	hl7	Context: NutritionOrder,Observation,DiagnosticReport,Flag,DocumentReference	Type:CodeableReference	Mod:0
hl7.fhir.uv.extensions	R5	StructureDefinition-specimen-additive.json	Specimen Additive	draft	1	oo	2017-12	uv	hl7	Context: Specimen,Specimen.container	Type:CodeableReference	Mod:0
hl7.fhir.uv.cpg	R4	StructureDefinition-cpg-instantiatesCaseFeature.json	CPG Instantiates Case Feature Extension	active		cds	2024-11	uv	hl7	Context: Resource	Type:canonical	Mod:0
hl7.fhir.uv.order-catalog	R5	StructureDefinition-SpecimenRequested.json	Specimens requested by a laboratory service	trial-use	2	oo	2020-06	uv	hl7	Context: PlanDefinition.action	Type:complex	Mod:0
portuguese.core.guide	R4B	ServiceTypePTExtension.StructureDefinition.json	Service Type PT Extension	draft			2024-05			Context: Appointment,Schedule,Encounter,Slot	Type:complex	Mod:0
hl7.fhir.pl.ssidl	R5	StructureDefinition-activityDefinition-reasonReference.json	Referencja do celu badania (SSIDL)	active			2026-02	pl	hl7	Context: ActivityDefinition	Type:canonical	Mod:0
hl7.fhir.pl.base.r5	R5	StructureDefinition-organization-medicalEntityUnitReference.json	Organization: Medical Entity Unit Reference	active			2026-01	pl	hl7	Context: Organization	Type:Reference	Mod:0
hl7.fhir.pl.base.r5	R5	StructureDefinition-healthcareService-catalogServiceDefinition.json	Referencja do usługi katalogowej (PL)	active			2026-01	pl	hl7	Context: HealthcareService	Type:canonical	Mod:0
ths-greifswald.ttp-fhir-gw	R4	StructureDefinition-ConsentPolicyReference.json	Consent Policy Reference	active			2025-06			Context: Questionnaire,Questionnaire.item	Type:complex	Mod:0
de.einwilligungsmanagement	R4	extension-ConsentManagement-DomainReference.json	Consent Management Domain Reference	active			2025-11			Context: DomainResource	Type:complex	Mod:0
hl7.fhir.fi.scheduling	R4	StructureDefinition-referral-id.json	Referral Id	draft			2025-05	fi	hl7	Context: Appointment	Type:string	Mod:0
au.digitalhealth.r4.healthconnect	R4	StructureDefinition-hc-referral-information-for-referrer.json	HC Referral Information for Referrer	draft			2026-01	au	national	Context: HealthcareService	Type:markdown	Mod:0
up-manila-silab.immunizationfhirig	R4	StructureDefinition-seir-batch-number.json	SEIR Batch Number	draft			2026-02			Context: Patient	Type:string	Mod:0
hl7.fhir.cz.core	R4	StructureDefinition-cz-refund-indicator-code.json	Refund indicator code (VZP)	draft			2025-12	cz	hl7	Context: Coverage	Type:CodeableConcept	Mod:0
rl.fhir.r4	R4	Extension_RL_Location_RegimeRicovero.json	RLLocationRegimeRicovero	draft						Context: Location	Type:complex	Mod:0
example.fhir.ph.core	R4	StructureDefinition-region.json	Region	draft			2026-02			Context: Address	Type:Coding	Mod:0
dk.ehealth.sundhed.fhir.ig.core	R4	StructureDefinition-ehealth-registration-deadline.json	Registration deadline	active			2026-01	dk		Context: Element	Type:dateTime	Mod:0
ca.on.phsd.r4-alpha	R4	registration-subclass.json	PPR Registration Subclass Extension	draft			2024-05			Context: Organization,Location	Type:complex	Mod:0
ca.on.ppr.r4	R4	registration-subclass.json	PPR Registration Subclass Extension	draft			2019-09	ca	hl7	Context: Location	Type:Coding	Mod:0
hl7.fhir.be.mycarenet	R4	StructureDefinition-be-ext-mycarenet-item-reimbursement.json	BeExtItemReimbursement	trial-use	1	fhir	2025-07	be	hl7	Context: Claim.item,ClaimResponse.addItem	Type:Money	Mod:0
hl7.fhir.pl.ssidl	R5	StructureDefinition-observationDefinition-recommendedNormalValueSet.json	Rekomendowane wartości prawidłowe wyniku (SSIDL)	active			2026-02	pl	hl7	Context: ObservationDefinition.qualifiedValue	Type:uri	Mod:0
ca.on.health.idms	R5	IDMS-EXTENSION-PRACTITIONER-ROLE-CONSENT.json	PractionerRole Terms of User Consent	active						Context: PractitionerRole	Type:complex	Mod:0
ca.on.health.idms	R5	IDMS-EXTENSION-RELATED-LOCATION.json	Related Location	active						Context: Organization	Type:complex	Mod:0
ca.on.health.idms	R5	EXTENSION-RELATED-MEDICINAL-PRODUCT.json	Related Medicinal Product	active						Context: ServiceRequest.orderDetail	Type:complex	Mod:0
ca.on.health.idms	R5	IDMS-EXTENSION-RELATED-SERVICE-REQUEST.json	Related Service Request	active						Context: Consent	Type:complex	Mod:0
ca.on.health.idms	R5	IDMS-EXTENSION-REQUEST-RELATED-CONSENT.json	Request Submission Consent	active						Context: https://health.gov.on.ca/idms/fhir/StructureDefinition/ServiceRequest	Type:complex	Mod:0
hl7.fhir.uv.v2mappings	R4	StructureDefinition-RelatedArtifact.json	RelatedArtifact	trial-use	1	oo	2025-10	uv	hl7	Context: ConceptMap	Type:complex	Mod:0
hl7.fhir.uv.extensions	R5	StructureDefinition-artifact-relatedArtifact.json	Artifact related artifact	trial-use	2	cds	2022-02	uv	hl7	Context: Group,SubstanceDefinition,Questionnaire,ImplementationGuide,ClinicalUseDefinition,MessageDefinition,StructureDefinition,TerminologyCapabilities,CapabilityStatement,Medication,ObservationDefinition,Substance,ConditionDefinition,ConceptMap,SearchParameter,OperationDefinition,ValueSet,GraphDefinition,SpecimenDefinition,CompartmentDefinition,MedicationKnowledge,CodeSystem,StructureMap,NamingSystem,ExampleScenario,DeviceDefinition,SubscriptionTopic	Type:RelatedArtifact	Mod:0
hl7.fhir.uv.security-label-ds4p	R4	StructureDefinition-extension-sec-label-related-artifact.json	Related Artifacts to the Security Label	draft			2025-05	uv	hl7	Context: Resource.meta.security	Type:RelatedArtifact	Mod:0
dk.ehealth.sundhed.fhir.ig.core	R4	StructureDefinition-ehealth-media-related-to.json	Related to	active			2026-01	dk		Context: Element	Type:Reference	Mod:0
de.nfdi4health.mds	R4	StructureDefinition-nfdi4health-ex-mds-related-artifact-non-nfdi.json	NFDI4Health EX MDS Related Artifact Non NFDI	draft						Context: RelatedArtifact	Type:complex	Mod:0
de.nfdi4health.mds	R4	StructureDefinition-nfdi4health-ex-mds-related-artifact-nfdi.json	NFDI4Health EX MDS Related Artifact NFDI	draft						Context: RelatedArtifact	Type:complex	Mod:0
hl7.fhir.uv.pocd	R4	StructureDefinition-relation.json	Relation extension	draft			2022-01	uv	hl7	Context: DeviceMetric	Type:complex	Mod:0
dk.ehealth.sundhed.fhir.ig.core	R4	StructureDefinition-ehealth-organization-relatedTo.json	Related to	active			2026-01	dk		Context: Element	Type:complex	Mod:0
hl7.fhir.uv.ebm	R6	StructureDefinition-relative-outcome-importance.json	RelativeOutcomeImportance	trial-use	1	cds	2026-02	uv	hl7	Context: Evidence.variableDefinition	Type:Reference	Mod:0
fhir.facade.cnes.organization	R4	StructureDefinition-extension-cnes-classificacoes-servico-especializado.json	Relação de Classificações de um Serviço especializado ofertado pelo Estabelecimento de Saúde	draft			2025-06	us	hl7	Context: Organization.extension	Type:complex	Mod:0
hl7.fhir.uv.extensions	R5	StructureDefinition-artifact-releaseDescription.json	Artifact Release Description	trial-use	1	cds	2023-01	uv	hl7	Context: Group,SubstanceDefinition,Questionnaire,ImplementationGuide,ClinicalUseDefinition,MessageDefinition,StructureDefinition,ArtifactAssessment,TerminologyCapabilities,CapabilityStatement,Measure,Medication,ObservationDefinition,Substance,ConditionDefinition,ConceptMap,SearchParameter,OperationDefinition,ValueSet,GraphDefinition,ActivityDefinition,SpecimenDefinition,CompartmentDefinition,MedicationKnowledge,CodeSystem,StructureMap,NamingSystem,ExampleScenario,DeviceDefinition,PlanDefinition,Library,SubscriptionTopic	Type:markdown	Mod:0
kanta.sosiaalihuolto.r4	R4	ReleaseForPatientViewing.json	Social Welfare Release For Patient Viewing extension	active			2025-03			Context: AuditEvent.entity	Type:complex	Mod:0
hl7.fhir.be.drp	R4	StructureDefinition-be-ext-relevant-info.json	BeRelevantInfo	active			2025-12	be	hl7	Context: ServiceRequest	Type:complex	Mod:0
hl7.fhir.uv.ae-research-backport-ig	R4	StructureDefinition-supporting-info.json	Supporting information relevant to the event	trial-use	2	brr	2024-04	uv	hl7	Context: AdverseEvent	Type:complex	Mod:0
hl7-france-fhir.administrative-2022	R4	fr-identityreliability-R4.structuredefinition.json	FrIdentReliability	active			2019-07			Context: Patient	Type:complex	Mod:0
uk.nhsdigital.r4.test	R4	Extension-SDS-ReliabilityConfiguration.json	Extension SDS Reliability Configuration	draft			2020-08			Context: Endpoint	Type:complex	Mod:0
hl7.fhir.cl.minsal.quirurgico	R4	StructureDefinition-Religion.json	Religión	draft			2025-12	cl	hl7	Context: Patient	Type:CodeableConcept	Mod:0
hl7.fhir.cl.minsal.nid	R4	StructureDefinition-Religion.json	Religión	draft			2025-12	cl	hl7	Context: Patient	Type:CodeableConcept	Mod:0
hl7.fhir.cl.minsal.urgencia	R4	StructureDefinition-Religion.json	Religión	draft			2025-12	cl	hl7	Context: Patient	Type:CodeableConcept	Mod:0
hl7.fhir.cl.minsal.tei	R4	StructureDefinition-Religion.json	Religión	draft			2025-11	cl	hl7	Context: Patient	Type:CodeableConcept	Mod:0
ca.on.ehr.r4	R4	DispenseRemainingRefills.json	DispenseRemainingRefills	active			2021-12	ca	national	Context: MedicationDispense	Type:complex	Mod:0
nictiz.fhir.nl.stu3.eafspraak	R3	eAfspraak-Appointment-PatientInstructions.json	eAfspraak Appointment Patient Instructions	active				nl		Context: Appointment	Type:complex	Mod:0
pharmacyeclaim.trial	R4	ext-rendered-dosage-instruction.StructureDefinition.json	Rendered Dosage Instruction	draft						Context: MedicationDispense	Type:complex	Mod:0
noma.fhir.mpd	R4	medicinalproductpackaged-repackaging-manufacturer-safest.json	medicinalproductpackaged-repackaging-manufacturer-safest	active						Context: MedicinalProductPackaged	Type:complex	Mod:0
rl.fhir.r4	R4	Extension_RL_Location_RepartoFisico.json	RLLocationRepartoFisico	draft						Context: Location	Type:complex	Mod:0
rl.fhir.r4	R4	Extension_RL_Location_RepartoClinico.json	RLLocationRepartoClinico	draft						Context: Location	Type:complex	Mod:0
ans.fhir.fr.tddui	R4	StructureDefinition-tddui-meal.json	TDDUI Meal	active			2026-02	fr	national	Context: Encounter	Type:boolean	Mod:0
fhir.r4.nhsengland.programme	R4	England-Extension-ExtCodeableReference.json	England Extension Ext Codeable Reference	draft			2024-10	us	hl7	Context: Reference	Type:complex	Mod:0