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| Package | Version | Identity | Name/Title | Status | FMM | WG | Date | Realm | Auth | Context | Modifier | Type | Usage # |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-PlanDefinition.contact.json | R5: contact additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: PlanDefinition.contact | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-PlanDefinition.editor.json | R5: Who edited the content additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: PlanDefinition.contributor | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-PlanDefinition.endorser.json | R5: Who endorsed the content additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: PlanDefinition.contributor | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-PlanDefinition.library.json | R5: library additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: PlanDefinition.library | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-PlanDefinition.reviewer.json | R5: Who reviewed the content additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: PlanDefinition.contributor | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-PlanDefinition.subtitle.json | R5: Subordinate title of the plan definition (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: PlanDefinition | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Procedure.instantiatesCanonical.json | R5: Instantiates FHIR protocol or definition (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Procedure | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Procedure.instantiatesUri.json | R5: Instantiates external protocol or definition (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Procedure | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Procedure.recorder.json | R5: Who recorded the procedure (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Procedure | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Procedure.status.json | R5: preparation | in-progress | not-done | on-hold | stopped | completed | entered-in-error | unknown additional codes | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Procedure | Type:code | Mod:1 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ProductShelfLife.specialPrecautionsForStorage.json | R5: 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 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ProductShelfLife.type.json | R5: 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 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Provenance.activity.json | R5: activity additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Provenance.activity | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Provenance.occurred.json | R5: occurred additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Provenance.period | Type:dateTime | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Questionnaire.contact.json | R5: contact additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Questionnaire.contact | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Questionnaire.derivedFrom.json | R5: Based on Questionnaire (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Questionnaire | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Questionnaire.ite.ans.initialSelected.json | R5: Whether option is selected by default (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Questionnaire.item.option | Type:boolean | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Questionnaire.ite.ans.value.json | R5: value additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Questionnaire.item.option | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Questionnaire.ite.answerValueSet.json | R5: ValueSet containing permitted answers additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Questionnaire.item.options | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Questionnaire.ite.enableBehavior.json | R5: all | any (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Questionnaire.item | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Questionnaire.ite.ena.answer.json | R5: Value for question comparison based on operator additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Questionnaire.item.enableWhen | Type:date,dateTime,string,Coding,Reference,Quantity,integer,time,decimal | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Questionnaire.ite.ena.operator.json | R5: exists | = | != | > | < | >= | <= additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Questionnaire.item.enableWhen.hasAnswer | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-QuestionnaireResponse.questionnaire.json | R5: Canonical URL of Questionnaire being answered additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: QuestionnaireResponse.questionnaire | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RatioRange.denominator.json | R5: Denominator value (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:Quantity | Mod:0 | |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RatioRange.highNumerator.json | R5: High Numerator limit (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:Quantity | Mod:0 | |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RatioRange.lowNumerator.json | R5: Low Numerator limit (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:Quantity | Mod:0 | |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Reference.type.json | R5: Type the reference refers to (e.g. "Patient") - must be a resource in resources (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Reference | Type:uri | Mod:0 | |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RegulatedAuthorization.attachedDocument.json | R5: Additional information or supporting documentation about the authorization (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RegulatedAuthorization.basis.json | R5: The legal/regulatory framework or reasons under which this authorization is granted (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RegulatedAuthorization.case.json | R5: The case or regulatory procedure for granting or amending a regulated authorization. Note: This area is subject to ongoing review and the workgroup is seeking implementer feedback on its use (see link at bottom of page) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RegulatedAuthorization.description.json | R5: General textual supporting information (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:markdown | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RegulatedAuthorization.holder.json | R5: The organization that has been granted this authorization, by the regulator (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:Reference | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RegulatedAuthorization.indication.json | R5: Condition for which the use of the regulated product applies (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RegulatedAuthorization.intendedUse.json | R5: The intended use of the product, e.g. prevention, treatment (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RegulatedAuthorization.region.json | R5: The territory in which the authorization has been granted (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RegulatedAuthorization.regulator.json | R5: The regulatory authority or authorizing body granting the authorization (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:Reference | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RegulatedAuthorization.statusDate.json | R5: The date at which the current status was assigned (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:dateTime | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RegulatedAuthorization.status.json | R5: The status that is authorised e.g. approved. Intermediate states can be tracked with cases and applications (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RegulatedAuthorization.type.json | R5: Overall type of this authorization, for example drug marketing approval, orphan drug designation (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RegulatedAuthorization.validityPeriod.json | R5: The time period in which the regulatory approval etc. is in effect, e.g. a Marketing Authorization includes the date of authorization and/or expiration date (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:Period | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-RelatedArtifact.label.json | R5: Short label (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: RelatedArtifact | Type:string | Mod:0 | |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-RelatedArtifact.resource.json | R5: What artifact is being referenced additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: RelatedArtifact.resource | Type:uri | Mod:0 | |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-RelatedPerson.communication.json | R5: A language which may be used to communicate with the related person about the patient's health (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: RelatedPerson | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RequestOrchestration.act.par.actor.json | R5: Who/what is participating? (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: RequestGroup.action.participant | Type:Reference,canonical | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RequestOrchestration.act.par.function.json | R5: E.g. Author, Reviewer, Witness, etc (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: RequestGroup.action.participant | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RequestOrchestration.act.par.role.json | R5: E.g. Nurse, Surgeon, Parent, etc (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: RequestGroup.action.participant | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RequestOrchestration.act.par.typeCanonical.json | R5: Who or what can participate (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: RequestGroup.action.participant | Type:canonical | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-RequestOrchestration.act.par.type.json | R5: careteam | device | group | healthcareservice | location | organization | patient | practitioner | practitionerrole | relatedperson (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: RequestGroup.action.participant | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-RequestOrchestration.act.priority.json | R5: routine | urgent | asap | stat (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: RequestGroup.action | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-RequestOrchestration.act.timing.json | R5: timing additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: RequestGroup.action | Type:Age | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-RequestOrchestration.act.type.json | R5: type additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: RequestGroup.action.type | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-RequestOrchestration.code.json | R5: What's being requested/ordered (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: RequestGroup | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-RequestOrchestration.instantiatesCanonical.json | R5: Instantiates FHIR protocol or definition additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: RequestGroup.definition | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-RequestOrchestration.instantiatesUri.json | R5: Instantiates external protocol or definition (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: RequestGroup | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-RequestOrchestration.intent.json | R5: proposal | plan | directive | order | original-order | reflex-order | filler-order | instance-order | option | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: RequestGroup.intent | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.actor.json | R5: Actor for these requirements (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:canonical | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.contact.json | R5: Contact details for the publisher (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:ContactDetail | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.copyrightLabel.json | R5: Copyright holder and year(s) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.copyright.json | R5: Use and/or publishing restrictions (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:markdown | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.date.json | R5: Date last changed (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:dateTime | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.derivedFrom.json | R5: Other set of Requirements this builds on (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:canonical | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.description.json | R5: Natural language description of the requirements (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:markdown | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.experimental.json | R5: For testing purposes, not real usage (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:boolean | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.jurisdiction.json | R5: Intended jurisdiction for Requirements (if applicable) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.name.json | R5: Name for this Requirements (computer friendly) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.publisher.json | R5: Name of the publisher/steward (organization or individual) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.purpose.json | R5: Why this Requirements is defined (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:markdown | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.reference.json | R5: External artifact (rule/document etc. that) created this set of requirements (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:url | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.statement.json | R5: Actual statement as markdown (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.status.json | R5: draft | active | retired | unknown (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:code | Mod:1 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.title.json | R5: Name for this Requirements (human friendly) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.url.json | R5: Canonical identifier for this Requirements, represented as a URI (globally unique) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:uri | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.useContext.json | R5: The context that the content is intended to support (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:UsageContext | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.versionAlgorithm.json | R5: How to compare versions (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:string,Coding | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Requirements.version.json | R5: Business version of the Requirements (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ResearchStudy.com.intendedExposure.json | R5: Interventions or exposures in this comparisonGroup or cohort (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ResearchStudy.arm | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ResearchStudy.com.linkId.json | R5: Allows the comparisonGroup for the study and the comparisonGroup for the subject to be linked easily (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ResearchStudy.arm | Type:id | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ResearchStudy.com.observedGroup.json | R5: Group of participants who were enrolled in study comparisonGroup (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ResearchStudy.arm | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ResearchStudy.condition.json | R5: Condition being studied (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ResearchStudy | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ResearchStudy.objective.json | R5: A goal for the study (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ResearchStudy | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ResearchStudy.phase.json | R5: 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 | uv | hl7 | Context: ResearchStudy | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ResearchStudy.primaryPurposeType.json | R5: treatment | prevention | diagnostic | supportive-care | screening | health-services-research | basic-science | device-feasibility (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ResearchStudy | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ResearchStudy.rec.actualGroup.json | R5: Group of participants who were enrolled in study (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ResearchStudy | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ResearchStudy.rec.actualNumber.json | R5: Actual total number of participants enrolled in study (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ResearchStudy | Type:unsignedInt | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ResearchStudy.rec.targetNumber.json | R5: Estimated total number of participants to be enrolled (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ResearchStudy | Type:unsignedInt | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-RiskAssessment.note.json | R5: note additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: RiskAssessment.comment | Type:Annotation | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SearchParameter.com.definition.json | R5: definition additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SearchParameter.component.definition | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SearchParameter.contact.json | R5: contact additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SearchParameter.contact | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SearchParameter.multipleAnd.json | R5: Allow multiple parameters (and) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SearchParameter | Type:boolean | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SearchParameter.multipleOr.json | R5: Allow multiple values per parameter (or) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SearchParameter | Type:boolean | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SearchParameter.processingMode.json | R5: normal | phonetic | other additional codes | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SearchParameter.xpathUsage | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SearchParameter.type.json | R5: number | date | string | token | reference | composite | quantity | uri | special | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SearchParameter.type | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ServiceRequest.instantiatesCanonical.json | R5: Instantiates FHIR protocol or definition additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ReferralRequest.definition,ProcedureRequest.definition | Type:uri | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ServiceRequest.instantiatesUri.json | R5: Instantiates external protocol or definition (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ReferralRequest,ProcedureRequest | Type:uri | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ServiceRequest.insurance.json | R5: Associated insurance coverage (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ReferralRequest,ProcedureRequest | Type:Reference | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ServiceRequest.intent.json | R5: proposal | plan | directive | order + | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ProcedureRequest.intent,ReferralRequest.intent | Type:code | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ServiceRequest.ord.parameterFocus.json | R5: The context of the order details by reference (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ServiceRequest.orderDetail | Type:complex | Mod:0 | 6 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ServiceRequest.ord.parameter.json | R5: The parameter details for the service being requested (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ServiceRequest.orderDetail | Type:complex | Mod:0 | 6 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ServiceRequest.pat.instruction.json | R5: Patient or consumer-oriented instructions (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ServiceRequest | Type:Reference,markdown | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ServiceRequest.quantity.json | R5: Service amount (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ReferralRequest,ProcedureRequest | Type:Quantity,Ratio,Range | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Signature.targetFormat.json | R5: The technical format of the signed resources (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Signature | Type:code | Mod:0 | |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-Specimen.col.device.json | R5: Device used to perform collection (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Specimen.collection | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Specimen.col.duration.json | R5: How long it took to collect specimen (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Specimen.collection | Type:Duration | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Specimen.col.fastingStatus.json | R5: Whether or how long patient abstained from food and/or drink (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Specimen.collection | Type:Duration,CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Specimen.condition.json | R5: State of the specimen (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Specimen | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SpecimenDefinition.collection.json | R5: Specimen collection procedure (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SpecimenDefinition.patientPreparation.json | R5: Patient preparation for collection (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SpecimenDefinition.timeAspect.json | R5: Time aspect for collection (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SpecimenDefinition.typeCollected.json | R5: Kind of material to collect (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SpecimenDefinition.typeTested.json | R5: Specimen in container intended for testing by lab (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-StructureDefinition.contact.json | R5: Contact details for the publisher additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: StructureDefinition.contact,DataElement.contact | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-StructureDefinition.con.type.json | R5: fhirpath | element | extension (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: DataElement,StructureDefinition.context | Type:code | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-StructureMap.contact.json | R5: contact additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: StructureMap.contact | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-StructureMap.gro.rul.sou.logMessage.json | R5: Message to put in log if source exists (FHIRPath) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: StructureMap.group.rule.source | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubscriptionStatus.error.json | R5: List of errors on the subscription (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubscriptionStatus.eSSS.json | R5: Events since the Subscription was created (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:string | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubscriptionStatus.notificationEvent.json | R5: Detailed information about any events relevant to this notification (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubscriptionStatus.status.json | R5: requested | active | error | off | entered-in-error (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubscriptionStatus.subscription.json | R5: Reference to the Subscription responsible for this notification (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:Reference | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubscriptionStatus.topic.json | R5: Reference to the SubscriptionTopic this notification relates to (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:canonical | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubscriptionStatus.type.json | R5: handshake | heartbeat | event-notification | query-status | query-event (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:code | Mod:1 | 3 |
| hl7.fhir.uv.xver-r5.r4b | R4B | StructureDefinition-ext-R5-SubscriptionTopic.can.comparator.json | R5: eq | ne | gt | lt | ge | le | sa | eb | ap (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubscriptionTopic.canFilterBy | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r4b | R4B | StructureDefinition-ext-R5-SubscriptionTopic.can.modifier.json | R5: missing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubscriptionTopic.canFilterBy.modifier | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubscriptionTopic.canFilterBy.json | R5: Properties by which a Subscription can filter notifications from the SubscriptionTopic (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubscriptionTopic.derivedFrom.json | R5: Based on FHIR protocol or definition (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:canonical | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubscriptionTopic.eventTrigger.json | R5: Event definitions the SubscriptionTopic (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubscriptionTopic.jurisdiction.json | R5: Intended jurisdiction of the SubscriptionTopic (if applicable) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubscriptionTopic.notificationShape.json | R5: Properties for describing the shape of notifications generated by this topic (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubscriptionTopic.resourceTrigger.json | R5: Definition of a resource-based trigger for the subscription topic (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 3 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.characterization.json | R5: General specifications for this substance (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification | Type:complex | Mod:0 | 5 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.classification.json | R5: A categorization, high level e.g. polymer or nucleic acid, or food, chemical, biological, or lower e.g. polymer linear or branch chain, or type of impurity (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SubstanceDefinition.code.json | R5: Codes associated with the substance (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SubstanceDefinition.domain.json | R5: If the substance applies to human or veterinary use (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.grade.json | R5: The quality standard, established benchmark, to which substance complies (e.g. USP/NF, BP) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.informationSource.json | R5: Supporting literature (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.manufacturer.json | R5: The entity that creates, makes, produces or fabricates the substance (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.moi.measurementType.json | R5: The measurement type of the quantitative value (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.moiety | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SubstanceDefinition.moiety.json | R5: Moiety, for structural modifications (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.mol.amount.json | R5: Used to capture quantitative values for a variety of elements (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.molecularWeight | Type:Quantity | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.mol.method.json | R5: The method by which the weight was determined (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.molecularWeight | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.mol.type.json | R5: Type of molecular weight e.g. exact, average, weight average (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.molecularWeight | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SubstanceDefinition.molecularWeight.json | R5: The average mass of a molecule of a compound (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.nam.language.json | R5: Human language that the name is written in | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.name.language | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SubstanceDefinition.name.json | R5: Names applicable to this substance (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:date,dateTime,Meta,code,string,Address,Attachment,integer,oid,Count,instant,ContactPoint,HumanName,Money,Identifier,Coding,markdown,SampledData,Ratio,id,positiveInt,Age,Distance,Reference,Period,Quantity,Duration,Range,uri,Annotation,boolean,base64Binary,Signature,unsignedInt,time,Timing,decimal,CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.note.json | R5: Textual comment about the substance's catalogue or registry record (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification | Type:Annotation | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.nucleicAcid.json | R5: Data items specific to nucleic acids (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification | Type:Reference | Mod:0 | 5 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.polymer.json | R5: Data items specific to polymers (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification | Type:Reference | Mod:0 | 5 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.pro.type.json | R5: A code expressing the type of property (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.property | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.pro.value.json | R5: A value for the property (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.property | Type:date,boolean,Quantity,Attachment,CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SubstanceDefinition.property.json | R5: General specifications for this substance (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.protein.json | R5: Data items specific to proteins (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification | Type:Reference | Mod:0 | 5 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.referenceInformation.json | R5: General information detailing this substance (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification | Type:Reference | Mod:0 | 5 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.rel.comparator.json | R5: An operator for the amount, for example "average", "approximately", "less than" (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.relationship | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.rel.ratioHighLimitAmount.json | R5: For use when the numeric has an uncertain range (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.relationship | Type:Ratio | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.rel.substanceDefinition.json | R5: A pointer to another substance, as a resource or a representational code (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.relationship | Type:Reference,CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.rel.type.json | R5: For example "salt to parent", "active moiety" (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.relationship | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SubstanceDefinition.relationship.json | R5: A link between this substance and another (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.sou.countryOfOrigin.json | R5: The country or countries where the material is harvested (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.sourceMaterial | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.sou.genus.json | R5: The genus of an organism e.g. the Latin epithet of the plant/animal scientific name (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.sourceMaterial | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.sou.part.json | R5: An anatomical origin of the source material within an organism (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.sourceMaterial | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.sou.species.json | R5: The species of an organism e.g. the Latin epithet of the species of the plant/animal (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.sourceMaterial | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.sou.type.json | R5: Classification of the origin of the raw material. e.g. cat hair is an Animal source type (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.sourceMaterial | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SubstanceDefinition.sourceMaterial.json | R5: Material or taxonomic/anatomical source (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.str.rep.document.json | R5: An attachment with the structural representation e.g. a structure graphic or AnIML file (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.structure.representation | Type:Reference | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.str.rep.format.json | R5: The format of the representation e.g. InChI, SMILES, MOLFILE (note: not the physical file format) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.structure.representation | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.str.sourceDocument.json | R5: Source of information for the structure (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.structure | Type:Reference | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.str.technique.json | R5: The method used to find the structure e.g. X-ray, NMR (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification.structure | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-SubstanceDefinition.structure.json | R5: Structural information (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceDefinition.supplier.json | R5: An entity that is the source for the substance. It may be different from the manufacturer (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: SubstanceSpecification | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceNucleicAcid.areaOfHybridisation.json | R5: The area of hybridisation shall be described if applicable for double stranded RNA or DNA. The number associated with the subunit followed by the number associated to the residue shall be specified in increasing order. The underscore “” shall be used as separator as follows: “Subunitnumber Residue” (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceNucleicAcid.numberOfSubunits.json | R5: The number of linear sequences of nucleotides linked through phosphodiester bonds shall be described. Subunits would be strands of nucleic acids that are tightly associated typically through Watson-Crick base pairing. NOTE: If not specified in the reference source, the assumption is that there is 1 subunit (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:integer | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceNucleicAcid.oligoNucleotideType.json | R5: (TBC) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceNucleicAcid.sequenceType.json | R5: The type of the sequence shall be specified based on a controlled vocabulary (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceNucleicAcid.subunit.json | R5: Subunits are listed in order of decreasing length; sequences of the same length will be ordered by molecular weight; subunits that have identical sequences will be repeated multiple times (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstancePolymer.class.json | R5: Overall type of the polymer (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstancePolymer.copolymerConnectivity.json | R5: Descrtibes the copolymer sequence type (polymer connectivity) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstancePolymer.geometry.json | R5: Polymer geometry, e.g. linear, branched, cross-linked, network or dendritic (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstancePolymer.modification.json | R5: Todo - this is intended to connect to a repeating full modification structure, also used by Protein and Nucleic Acid . String is just a placeholder (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstancePolymer.monomerSet.json | R5: Todo (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstancePolymer.repeat.json | R5: Specifies and quantifies the repeated units and their configuration (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceProtein.disulfideLinkage.json | R5: The disulphide bond between two cysteine residues either on the same subunit or on two different subunits shall be described. The position of the disulfide bonds in the SubstanceProtein shall be listed in increasing order of subunit number and position within subunit followed by the abbreviation of the amino acids involved. The disulfide linkage positions shall actually contain the amino acid Cysteine at the respective positions (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceProtein.numberOfSubunits.json | R5: Number of linear sequences of amino acids linked through peptide bonds. The number of subunits constituting the SubstanceProtein shall be described. It is possible that the number of subunits can be variable (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:integer | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceProtein.sequenceType.json | R5: The SubstanceProtein descriptive elements will only be used when a complete or partial amino acid sequence is available or derivable from a nucleic acid sequence (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceProtein.subunit.json | R5: This subclause refers to the description of each subunit constituting the SubstanceProtein. A subunit is a linear sequence of amino acids linked through peptide bonds. The Subunit information shall be provided when the finished SubstanceProtein is a complex of multiple sequences; subunits are not used to delineate domains within a single sequence. Subunits are listed in order of decreasing length; sequences of the same length will be ordered by decreasing molecular weight; subunits that have identical sequences will be repeated multiple times (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceReferenceInformation.comment.json | R5: Todo (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceReferenceInformation.geneElement.json | R5: Todo (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceReferenceInformation.gene.json | R5: Todo (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceReferenceInformation.target.json | R5: Todo (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceSourceMaterial.countryOfOrigin.json | R5: The country where the plant material is harvested or the countries where the plasma is sourced from as laid down in accordance with the Plasma Master File. For “Plasma-derived substances” the attribute country of origin provides information about the countries used for the manufacturing of the Cryopoor plama or Crioprecipitate (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceSourceMaterial.developmentStage.json | R5: Stage of life for animals, plants, insects and microorganisms. This information shall be provided only when the substance is significantly different in these stages (e.g. foetal bovine serum) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceSourceMaterial.fractionDescription.json | R5: Many complex materials are fractions of parts of plants, animals, or minerals. Fraction elements are often necessary to define both Substances and Specified Group 1 Substances. For substances derived from Plants, fraction information will be captured at the Substance information level ( . Oils, Juices and Exudates). Additional information for Extracts, such as extraction solvent composition, will be captured at the Specified Substance Group 1 information level. For plasma-derived products fraction information will be captured at the Substance and the Specified Substance Group 1 levels (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceSourceMaterial.geographicalLocation.json | R5: The place/region where the plant is harvested or the places/regions where the animal source material has its habitat (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceSourceMaterial.organismId.json | R5: The unique identifier associated with the source material parent organism shall be specified (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceSourceMaterial.organismName.json | R5: The organism accepted Scientific name shall be provided based on the organism taxonomy (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceSourceMaterial.organism.json | R5: This subclause describes the organism which the substance is derived from. For vaccines, the parent organism shall be specified based on these subclause elements. As an example, full taxonomy will be described for the Substance Name: ., Leaf (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceSourceMaterial.parentSubstanceId.json | R5: The parent of the herbal drug Ginkgo biloba, Leaf is the substance ID of the substance (fresh) of Ginkgo biloba L. or Ginkgo biloba L. (Whole plant) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceSourceMaterial.parentSubstanceName.json | R5: The parent substance of the Herbal Drug, or Herbal preparation (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceSourceMaterial.partDescription.json | R5: To do (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceSourceMaterial.sourceMaterialClass.json | R5: General high level classification of the source material specific to the origin of the material (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-SubstanceSourceMaterial.sourceMaterialState.json | R5: The state of the source material when extracted (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
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