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| Package | Version | Identity | Name/Title | Status | FMM | WG | Date | Auth | Context | Modifier | Type | Usage # |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-PR.det.request.json | R4: Request giving rise to the payment (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PaymentReconciliation.allocation | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-PR.det.responsible.json | R4: Contact for the response (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PaymentReconciliation.detail | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-PaymentReconciliation.outcome.json | R4: queued | complete | error | partial | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PaymentReconciliation.outcome | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-PaymentReconciliation.paymentDate.json | R4: When payment issued (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PaymentReconciliation | Type:date | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-PaymentReconciliation.paymentIdentifier.json | R4: Business identifier for the payment (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PaymentReconciliation | Type:Identifier | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-PlanDefinition.act.definition.json | R4: definition additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PlanDefinition.action.definition | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-PlanDefinition.act.par.type.json | R4: patient | practitioner | related-person | device | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PlanDefinition.action.participant.type | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-PlanDefinition.act.priority.json | R4: routine | urgent | asap | stat (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PlanDefinition.action | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-PlanDefinition.act.subject.json | R4: Type of individual the action is focused on (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PlanDefinition.action | Type:Reference,CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-PlanDefinition.act.timing.json | R4: timing additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PlanDefinition.action | Type:dateTime,Period | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-PlanDefinition.act.transform.json | R4: transform additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PlanDefinition.action.transform | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-PlanDefinition.act.type.json | R4: type additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PlanDefinition.action.type | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-PlanDefinition.author.json | R4: Who authored the content additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PlanDefinition.contributor | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-PlanDefinition.editor.json | R4: Who edited the content additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PlanDefinition.contributor | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-PlanDefinition.endorser.json | R4: Who endorsed the content additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PlanDefinition.contributor | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-PlanDefinition.library.json | R4: library additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PlanDefinition.library | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-PlanDefinition.reviewer.json | R4: Who reviewed the content additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PlanDefinition.contributor | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-PlanDefinition.subject.json | R4: Type of individual the plan definition is focused on (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PlanDefinition | Type:Reference,CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-PlanDefinition.subtitle.json | R4: Subordinate title of the plan definition (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PlanDefinition | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Population.age.json | R4: The age of the specific population (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Range,CodeableConcept | Mod:0 | |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Population.gender.json | R4: The gender of the specific population (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Population.physiologicalCondition.json | R4: The existing physiological conditions of the specific population to which this applies (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Population.race.json | R4: Race of the specific population (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-PractitionerRole.availabilityExceptions.json | R4: Description of availability exceptions (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PractitionerRole | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-PractitionerRole.ava.allDay.json | R4: Always available? e.g. 24 hour service additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PractitionerRole.availability | Type:boolean | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-PractitionerRole.ava.availableEndTime.json | R4: Closing time of day (ignored if allDay = true) additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PractitionerRole.availability | Type:time | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-PractitionerRole.ava.availableStartTime.json | R4: Opening time of day (ignored if allDay = true) additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PractitionerRole.availability | Type:time | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-PractitionerRole.ava.daysOfWeek.json | R4: mon | tue | wed | thu | fri | sat | sun additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PractitionerRole.availability | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-PractitionerRole.not.description.json | R4: Reason presented to the user explaining why time not available additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PractitionerRole.availability | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-PractitionerRole.not.during.json | R4: Service not available from this date additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PractitionerRole.availability | Type:Period | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-PractitionerRole.telecom.json | R4: Contact details that are specific to the role/location/service additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: PractitionerRole.contact | Type:ContactPoint | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Procedure.asserter.json | R4: Person who asserts this procedure (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Procedure | Type:Reference | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Procedure.complicationDetail.json | R4: A condition that is a result of the procedure (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Procedure | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Procedure.instantiatesCanonical.json | R4: Instantiates FHIR protocol or definition (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Procedure | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Procedure.instantiatesUri.json | R4: Instantiates external protocol or definition (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Procedure | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Procedure.performed.json | R4: When the procedure was performed (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Procedure | Type:dateTime,string,Period,Range,Age | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Procedure.reasonReference.json | R4: reasonReference additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Procedure.reason | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Procedure.recorder.json | R4: Who recorded the procedure (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Procedure | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Procedure.status.json | R4: preparation | in-progress | not-done | on-hold | stopped | completed | entered-in-error | unknown additional codes | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Procedure | Type:code | Mod:1 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Procedure.usedReference.json | R4: usedReference additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Procedure.used | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ProdCharacteristic.color.json | R4: Where applicable, the color can be specified An appropriate controlled vocabulary shall be used The term and the term identifier shall be used (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ProdCharacteristic.depth.json | R4: Where applicable, the depth can be specified using a numerical value and its unit of measurement The unit of measurement shall be specified in accordance with ISO 11240 and the resulting terminology The symbol and the symbol identifier shall be used (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Quantity | Mod:0 | |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ProdCharacteristic.externalDiameter.json | R4: Where applicable, the external diameter can be specified using a numerical value and its unit of measurement The unit of measurement shall be specified in accordance with ISO 11240 and the resulting terminology The symbol and the symbol identifier shall be used (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Quantity | Mod:0 | |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ProdCharacteristic.height.json | R4: Where applicable, the height can be specified using a numerical value and its unit of measurement The unit of measurement shall be specified in accordance with ISO 11240 and the resulting terminology The symbol and the symbol identifier shall be used (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Quantity | Mod:0 | |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ProdCharacteristic.image.json | R4: Where applicable, the image can be provided The format of the image attachment shall be specified by regional implementations (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Attachment | Mod:0 | |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ProdCharacteristic.imprint.json | R4: Where applicable, the imprint can be specified as text (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ProdCharacteristic.nominalVolume.json | R4: Where applicable, the nominal volume can be specified using a numerical value and its unit of measurement The unit of measurement shall be specified in accordance with ISO 11240 and the resulting terminology The symbol and the symbol identifier shall be used (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Quantity | Mod:0 | |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ProdCharacteristic.scoring.json | R4: Where applicable, the scoring can be specified An appropriate controlled vocabulary shall be used The term and the term identifier shall be used (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ProdCharacteristic.shape.json | R4: Where applicable, the shape can be specified An appropriate controlled vocabulary shall be used The term and the term identifier shall be used (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ProdCharacteristic.weight.json | R4: Where applicable, the weight can be specified using a numerical value and its unit of measurement The unit of measurement shall be specified in accordance with ISO 11240 and the resulting terminology The symbol and the symbol identifier shall be used (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Quantity | Mod:0 | |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ProdCharacteristic.width.json | R4: Where applicable, the width can be specified using a numerical value and its unit of measurement The unit of measurement shall be specified in accordance with ISO 11240 and the resulting terminology The symbol and the symbol identifier shall be used (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Quantity | Mod:0 | |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ProductShelfLife.identifier.json | R4: Unique identifier for the packaged Medicinal Product (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ProductShelfLife | Type:Identifier | Mod:0 | |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ProductShelfLife.period.json | R4: period additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ProductShelfLife | Type:Quantity | Mod:0 | |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-ProductShelfLife.specialPrecautionsForStorage.json | R4: Special precautions for storage, if any, can be specified using an appropriate controlled vocabulary The controlled term and the controlled term identifier shall be specified (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-ProductShelfLife.type.json | R4: This describes the shelf life, taking into account various scenarios such as shelf life of the packaged Medicinal Product itself, shelf life after transformation where necessary and shelf life after the first opening of a bottle, etc. The shelf life type shall be specified using an appropriate controlled vocabulary The controlled term and the controlled term identifier shall be specified (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Provenance.activity.json | R4: activity additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Provenance.activity | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Provenance.ent.role.json | R4: derivation | revision | quotation | source | removal | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Provenance.entity.role | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Provenance.occurred.json | R4: occurred additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Provenance.period | Type:dateTime | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Provenance.reason.json | R4: reason additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Provenance.reason | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Questionnaire.derivedFrom.json | R4: Instantiates protocol or definition (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Questionnaire | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Questionnaire.ite.ans.initialSelected.json | R4: Whether option is selected by default (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Questionnaire.item.option | Type:boolean | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Questionnaire.ite.ans.value.json | R4: value additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Questionnaire.item.option | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Questionnaire.ite.answerValueSet.json | R4: answerValueSet additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Questionnaire.item.options | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Questionnaire.ite.enableBehavior.json | R4: all | any (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Questionnaire.item | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Questionnaire.ite.ena.answer.json | R4: Value for question comparison based on operator additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Questionnaire.item.enableWhen | Type:date,dateTime,string,Coding,Reference,Quantity,integer,time,decimal | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Questionnaire.ite.ena.operator.json | R4: exists | = | != | > | < | >= | <= additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Questionnaire.item.enableWhen.hasAnswer | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-Questionnaire.subjectType.json | R4: subjectType | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Questionnaire.subjectType | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-QuestionnaireResponse.questionnaire.json | R4: questionnaire additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: QuestionnaireResponse.questionnaire | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Reference.type.json | R4: Type the reference refers to (e.g. "Patient") (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Reference | Type:uri | Mod:0 | |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-RelatedArtifact.label.json | R4: Short label (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: RelatedArtifact | Type:string | Mod:0 | |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-RelatedArtifact.resource.json | R4: resource additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: RelatedArtifact.resource | Type:uri | Mod:0 | |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-RelatedArtifact.url.json | R4: Where the artifact can be accessed (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: RelatedArtifact | Type:url | Mod:0 | |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-RelatedPerson.communication.json | R4: A language which may be used to communicate with about the patient's health (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: RelatedPerson | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-RequestGroup.act.priority.json | R4: routine | urgent | asap | stat (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: RequestGroup.action | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-RequestGroup.act.timing.json | R4: timing additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: RequestGroup.action | Type:Age | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-RequestGroup.act.type.json | R4: type additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: RequestGroup.action.type | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-RequestGroup.code.json | R4: What's being requested/ordered (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: RequestGroup | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-RequestGroup.instantiatesCanonical.json | R4: Instantiates FHIR protocol or definition additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: RequestGroup.definition | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-RequestGroup.instantiatesUri.json | R4: Instantiates external protocol or definition (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: RequestGroup | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-RequestGroup.intent.json | R4: proposal | plan | directive | order | original-order | reflex-order | filler-order | instance-order | option | trial-use | 0 | fhir | 2026-03 | hl7 | Context: RequestGroup.intent | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-RequestGroup.reasonCode.json | R4: Why the request group is needed (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: RequestOrchestration | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-RequestGroup.reasonReference.json | R4: Why the request group is needed (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: RequestOrchestration | Type:Reference | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.approvalDate.json | R4: When the research definition was approved by publisher (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:date | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.author.json | R4: Who authored the content (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:ContactDetail | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.comment.json | R4: Used for footnotes or explanatory notes (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.contact.json | R4: Contact details for the publisher (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:ContactDetail | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.copyright.json | R4: Use and/or publishing restrictions (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:markdown | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.date.json | R4: Date last changed (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:dateTime | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.description.json | R4: Natural language description of the research definition (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:markdown | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.editor.json | R4: Who edited the content (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:ContactDetail | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.effectivePeriod.json | R4: When the research definition is expected to be used (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Period | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.endorser.json | R4: Who endorsed the content (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:ContactDetail | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.experimental.json | R4: For testing purposes, not real usage (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:boolean | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.exposureAlternative.json | R4: What alternative exposure state? (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Reference | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.exposure.json | R4: What exposure? (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Reference | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.jurisdiction.json | R4: Intended jurisdiction for research definition (if applicable) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.lastReviewDate.json | R4: When the research definition was last reviewed (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:date | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.library.json | R4: Logic used by the ResearchDefinition (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:canonical | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.name.json | R4: Name for this research definition (computer friendly) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.outcome.json | R4: What outcome? (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Reference | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.population.json | R4: What population? (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Reference | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.publisher.json | R4: Name of the publisher (organization or individual) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.purpose.json | R4: Why this research definition is defined (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:markdown | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.relatedArtifact.json | R4: Additional documentation, citations, etc. (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:RelatedArtifact | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.reviewer.json | R4: Who reviewed the content (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:ContactDetail | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.shortTitle.json | R4: Title for use in informal contexts (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.status.json | R4: draft | active | retired | unknown (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:code | Mod:1 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.subject.json | R4: E.g. Patient, Practitioner, RelatedPerson, Organization, Location, Device (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Reference,CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.subtitle.json | R4: Subordinate title of the ResearchDefinition (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.title.json | R4: Name for this research definition (human friendly) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.topic.json | R4: The category of the ResearchDefinition, such as Education, Treatment, Assessment, etc. (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.url.json | R4: Canonical identifier for this research definition, represented as a URI (globally unique) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:uri | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.usage.json | R4: Describes the clinical usage of the ResearchDefinition (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.useContext.json | R4: The context that the content is intended to support (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:UsageContext | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchDefinition.version.json | R4: Business version of the research definition (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.approvalDate.json | R4: When the research element definition was approved by publisher (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:date | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.author.json | R4: Who authored the content (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:ContactDetail | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.characteristic.json | R4: What defines the members of the research element (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.comment.json | R4: Used for footnotes or explanatory notes (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.contact.json | R4: Contact details for the publisher (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:ContactDetail | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.copyright.json | R4: Use and/or publishing restrictions (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:markdown | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.date.json | R4: Date last changed (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:dateTime | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.description.json | R4: Natural language description of the research element definition (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:markdown | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.editor.json | R4: Who edited the content (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:ContactDetail | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.effectivePeriod.json | R4: When the research element definition is expected to be used (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Period | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.endorser.json | R4: Who endorsed the content (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:ContactDetail | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.experimental.json | R4: For testing purposes, not real usage (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:boolean | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.jurisdiction.json | R4: Intended jurisdiction for research element definition (if applicable) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.lastReviewDate.json | R4: When the research element definition was last reviewed (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:date | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.library.json | R4: Logic used by the ResearchElementDefinition (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:canonical | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.name.json | R4: Name for this research element definition (computer friendly) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.publisher.json | R4: Name of the publisher (organization or individual) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.purpose.json | R4: Why this research element definition is defined (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:markdown | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.relatedArtifact.json | R4: Additional documentation, citations, etc. (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:RelatedArtifact | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.reviewer.json | R4: Who reviewed the content (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:ContactDetail | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.shortTitle.json | R4: Title for use in informal contexts (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.status.json | R4: draft | active | retired | unknown (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:code | Mod:1 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.subject.json | R4: E.g. Patient, Practitioner, RelatedPerson, Organization, Location, Device (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Reference,CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.subtitle.json | R4: Subordinate title of the ResearchElementDefinition (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.title.json | R4: Name for this research element definition (human friendly) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.topic.json | R4: The category of the ResearchElementDefinition, such as Education, Treatment, Assessment, etc. (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.type.json | R4: population | exposure | outcome (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:code | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.url.json | R4: Canonical identifier for this research element definition, represented as a URI (globally unique) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:uri | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.usage.json | R4: Describes the clinical usage of the ResearchElementDefinition (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.useContext.json | R4: The context that the content is intended to support (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:UsageContext | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.variableType.json | R4: dichotomous | continuous | descriptive (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:code | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchElementDefinition.version.json | R4: Business version of the research element definition (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchStudy.category.json | R4: Classifications for the study (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ResearchStudy | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-ResearchStudy.condition.json | R4: Condition being studied (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ResearchStudy | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchStudy.contact.json | R4: Contact details for the study (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ResearchStudy | Type:ContactDetail | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchStudy.enrollment.json | R4: Inclusion & exclusion criteria (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ResearchStudy | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchStudy.location.json | R4: Geographic region(s) for study (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ResearchStudy | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-ResearchStudy.objective.json | R4: A goal for the study (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ResearchStudy | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-ResearchStudy.phase.json | R4: n-a | early-phase-1 | phase-1 | phase-1-phase-2 | phase-2 | phase-2-phase-3 | phase-3 | phase-4 (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ResearchStudy | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-ResearchStudy.primaryPurposeType.json | R4: treatment | prevention | diagnostic | supportive-care | screening | health-services-research | basic-science | device-feasibility (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ResearchStudy | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchStudy.principalInvestigator.json | R4: Researcher who oversees multiple aspects of the study (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ResearchStudy | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchStudy.reasonStopped.json | R4: accrual-goal-met | closed-due-to-toxicity | closed-due-to-lack-of-study-progress | temporarily-closed-per-study-design (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ResearchStudy | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchStudy.sponsor.json | R4: Organization that initiates and is legally responsible for the study (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ResearchStudy | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchStudy.status.json | R4: active | administratively-completed | approved | closed-to-accrual | closed-to-accrual-and-intervention | completed | disapproved | in-review | temporarily-closed-to-accrual | temporarily-closed-to-accrual-and-intervention | withdrawn | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ResearchStudy.status | Type:code | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ResearchSubject.status.json | R4: candidate | eligible | follow-up | ineligible | not-registered | off-study | on-study | on-study-intervention | on-study-observation | pending-on-study | potential-candidate | screening | withdrawn | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ResearchSubject.status | Type:code | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-RiskAssessment.note.json | R4: note additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: RiskAssessment.comment | Type:Annotation | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-RiskAssessment.reasonReference.json | R4: reasonReference additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: RiskAssessment.reason | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.approvalDate.json | R4: When the risk evidence synthesis was approved by publisher (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:date | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.author.json | R4: Who authored the content (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:ContactDetail | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.certainty.json | R4: How certain is the risk (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.contact.json | R4: Contact details for the publisher (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:ContactDetail | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.copyright.json | R4: Use and/or publishing restrictions (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:markdown | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.date.json | R4: Date last changed (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:dateTime | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.description.json | R4: Natural language description of the risk evidence synthesis (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:markdown | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.editor.json | R4: Who edited the content (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:ContactDetail | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.effectivePeriod.json | R4: When the risk evidence synthesis is expected to be used (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Period | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.endorser.json | R4: Who endorsed the content (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:ContactDetail | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.exposure.json | R4: What exposure? (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.jurisdiction.json | R4: Intended jurisdiction for risk evidence synthesis (if applicable) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.lastReviewDate.json | R4: When the risk evidence synthesis was last reviewed (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:date | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.name.json | R4: Name for this risk evidence synthesis (computer friendly) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.note.json | R4: Used for footnotes or explanatory notes (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Annotation | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.outcome.json | R4: What outcome? (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.population.json | R4: What population? (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.publisher.json | R4: Name of the publisher (organization or individual) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.relatedArtifact.json | R4: Additional documentation, citations, etc. (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:RelatedArtifact | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.reviewer.json | R4: Who reviewed the content (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:ContactDetail | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.riskEstimate.json | R4: What was the estimated risk (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.sampleSize.json | R4: What sample size was involved? (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.status.json | R4: draft | active | retired | unknown (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:code | Mod:1 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.studyType.json | R4: Type of study (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.synthesisType.json | R4: Type of synthesis (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.title.json | R4: Name for this risk evidence synthesis (human friendly) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.topic.json | R4: The category of the EffectEvidenceSynthesis, such as Education, Treatment, Assessment, etc. (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.url.json | R4: Canonical identifier for this risk evidence synthesis, represented as a URI (globally unique) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:uri | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.useContext.json | R4: The context that the content is intended to support (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:UsageContext | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-RiskEvidenceSynthesis.version.json | R4: Business version of the risk evidence synthesis (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-SampledData.period.json | R4: Number of milliseconds between samples additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SampledData.intervalUnit | Type:decimal | Mod:0 | |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SearchParameter.base.json | R4: base | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SearchParameter.base | Type:code | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SearchParameter.com.definition.json | R4: definition additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SearchParameter.component.definition | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-SearchParameter.modifier.json | R4: missing | exact | contains | not | text | in | not-in | below | above | type | identifier | ofType additional codes | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SearchParameter.modifier | Type:code | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SearchParameter.multipleAnd.json | R4: Allow multiple parameters (and) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SearchParameter | Type:boolean | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SearchParameter.multipleOr.json | R4: Allow multiple values per parameter (or) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SearchParameter | Type:boolean | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SearchParameter.target.json | R4: target | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SearchParameter.target | Type:code | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SearchParameter.type.json | R4: number | date | string | token | reference | composite | quantity | uri | special | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SearchParameter.type | Type:code | Mod:0 | 1 |
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