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| Package | Version | Identity | Name/Title | Status | FMM | WG | Date | Realm | Context | Modifier | Type | Usage # |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-StructureDefinition.identifier.json | R4B: Additional identifier for the structure definition additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: DataElement.identifier,StructureDefinition.identifier | Type:Identifier | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-StructureDefinition.meta.json | R4B: Metadata about the resource additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: DataElement.meta,StructureDefinition.meta | Type:Meta | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-StructureDefinition.sna.element.json | R4B: element additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: StructureDefinition.snapshot.element | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-StructureDefinition.text.json | R4B: Text summary of the resource, for human interpretation additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: DataElement.text,StructureDefinition.text | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-StructureDefinition.useContext.json | R4B: The context that the content is intended to support additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: DataElement.useContext,StructureDefinition.useContext | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-StructureMap.contact.json | R4B: contact additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: StructureMap.contact | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-StructureMap.gro.rul.sou.defaultValue.json | R4B: Default value if no value exists additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: StructureMap.group.rule.source | Type:date,dateTime,Meta,Address,Attachment,integer,Count,DataRequirement,Dosage,uuid,instant,ContactPoint,HumanName,Money,Identifier,Coding,SampledData,Ratio,positiveInt,Age,Distance,Reference,TriggerDefinition,Period,Quantity,Duration,Range,RelatedArtifact,url,Annotation,ContactDetail,boolean,base64Binary,Expression,UsageContext,Signature,unsignedInt,time,Timing,decimal,CodeableConcept,ParameterDefinition | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-StructureMap.gro.rul.sou.logMessage.json | R4B: Message to put in log if source exists (FHIRPath) (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: StructureMap.group.rule.source | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-StructureMap.gro.rul.tar.contextType.json | R4B: type | variable (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: StructureMap.group.rule.target | Type:code | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-StructureMap.gro.typeMode.json | R4B: none | types | type-and-types | trial-use | 0 | fhir | 2026-03 | uv | Context: StructureMap.group.typeMode | Type:code | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-StructureMap.identifier.json | R4B: identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: StructureMap.identifier | Type:Identifier | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-StructureMap.meta.json | R4B: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: StructureMap.meta | Type:Meta | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-StructureMap.text.json | R4B: text additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: StructureMap.text | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-StructureMap.useContext.json | R4B: The context that the content is intended to support additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: StructureMap.useContext | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Subscription.cha.payload.json | R4B: MIME type to send, or omit for no payload | trial-use | 0 | fhir | 2026-03 | uv | Context: Subscription.channel.payload | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-Subscription.channel.json | R4B: The channel on which to report matches to the criteria (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Subscription | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Subscription.contact.json | R4B: contact additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: Subscription.contact | Type:ContactPoint | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-Subscription.criteria.json | R4B: Rule for server push (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Subscription | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-Subscription.error.json | R4B: Latest error note (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Subscription | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Subscription.meta.json | R4B: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: Subscription.meta | Type:Meta | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Subscription.text.json | R4B: text additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: Subscription.text | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubscriptionStatus.error.json | R4B: List of errors on the subscription (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-SubscriptionStatus.eSSS.json | R4B: eventsSinceSubscriptionStart additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: SubscriptionStatus.eventsSinceSubscriptionStart | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-SubscriptionStatus.not.eventNumber.json | R4B: Event number additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: SubscriptionStatus.notificationEvent.eventNumber | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubscriptionStatus.notificationEvent.json | R4B: Detailed information about any events relevant to this notification (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubscriptionStatus.status.json | R4B: requested | active | error | off | entered-in-error (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:code | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubscriptionStatus.subscription.json | R4B: Reference to the Subscription responsible for this notification (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:Reference | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubscriptionStatus.topic.json | R4B: Reference to the SubscriptionTopic this notification relates to (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:canonical | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubscriptionStatus.type.json | R4B: handshake | heartbeat | event-notification | query-status | query-event (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:code | Mod:1 | 2 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-SubscriptionTopic.can.modifier.json | R4B: = | eq | ne | gt | lt | ge | le | sa | eb | ap | above | below | in | not-in | of-type | trial-use | 0 | fhir | 2026-03 | uv | Context: SubscriptionTopic.canFilterBy.modifier | Type:code | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubscriptionTopic.canFilterBy.json | R4B: Properties by which a Subscription can filter notifications from the SubscriptionTopic (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubscriptionTopic.derivedFrom.json | R4B: Based on FHIR protocol or definition (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:canonical | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubscriptionTopic.eventTrigger.json | R4B: Event definitions the SubscriptionTopic (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubscriptionTopic.jurisdiction.json | R4B: Intended jurisdiction of the SubscriptionTopic (if applicable) (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubscriptionTopic.notificationShape.json | R4B: Properties for describing the shape of notifications generated by this topic (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubscriptionTopic.resourceTrigger.json | R4B: Definition of a resource-based trigger for the subscription topic (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Substance.identifier.json | R4B: identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: Substance.identifier | Type:Identifier | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Substance.ing.quantity.json | R4B: quantity additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: Substance.ingredient.quantity | Type:Ratio | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-Substance.ins.expiry.json | R4B: When no longer valid to use (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Substance.instance | Type:dateTime | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-Substance.ins.identifier.json | R4B: Identifier of the package/container (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Substance.instance | Type:Identifier | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-Substance.ins.quantity.json | R4B: Amount of substance in the package (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Substance.instance | Type:Quantity | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Substance.meta.json | R4B: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: Substance.meta | Type:Meta | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Substance.text.json | R4B: text additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: Substance.text | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.classification.json | R4B: 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 | Context: SubstanceSpecification | Type:CodeableConcept | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SubstanceDefinition.code.json | R4B: Codes associated with the substance (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SubstanceDefinition.domain.json | R4B: If the substance applies to human or veterinary use (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.grade.json | R4B: The quality standard, established benchmark, to which substance complies (e.g. USP/NF, BP) (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification | Type:CodeableConcept | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.informationSource.json | R4B: Supporting literature (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification | Type:Reference | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.manufacturer.json | R4B: The entity that creates, makes, produces or fabricates the substance (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification | Type:Reference | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.moi.measurementType.json | R4B: The measurement type of the quantitative value (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.moiety | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SubstanceDefinition.moiety.json | R4B: Moiety, for structural modifications (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.mol.amount.json | R4B: Used to capture quantitative values for a variety of elements (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.molecularWeight | Type:Quantity | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.mol.method.json | R4B: The method by which the weight was determined (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.molecularWeight | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.mol.type.json | R4B: Type of molecular weight e.g. exact, average, weight average (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.molecularWeight | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SubstanceDefinition.molecularWeight.json | R4B: The molecular weight or weight range (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.nam.language.json | R4B: Human language that the name is written in | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.name.language | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SubstanceDefinition.name.json | R4B: Names applicable to this substance (new) | trial-use | 0 | fhir | 2026-03 | uv | 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 | 1 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.note.json | R4B: Textual comment about the substance's catalogue or registry record (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification | Type:Annotation | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.pro.type.json | R4B: A code expressing the type of property (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.property | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.pro.value.json | R4B: A value for the property (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.property | Type:date,boolean,Quantity,Attachment,CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SubstanceDefinition.property.json | R4B: General specifications for this substance (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.rel.comparator.json | R4B: An operator for the amount, for example "average", "approximately", "less than" (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.relationship | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.rel.ratioHighLimitAmount.json | R4B: For use when the numeric has an uncertain range (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.relationship | Type:Ratio | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.rel.substanceDefinition.json | R4B: A pointer to another substance, as a resource or a representational code (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.relationship | Type:Reference,CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.rel.type.json | R4B: For example "salt to parent", "active moiety" (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.relationship | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SubstanceDefinition.relationship.json | R4B: A link between this substance and another (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.sou.countryOfOrigin.json | R4B: The country or countries where the material is harvested (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.sourceMaterial | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.sou.genus.json | R4B: The genus of an organism e.g. the Latin epithet of the plant/animal scientific name (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.sourceMaterial | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.sou.part.json | R4B: An anatomical origin of the source material within an organism (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.sourceMaterial | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.sou.species.json | R4B: 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 | Context: SubstanceSpecification.sourceMaterial | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.sou.type.json | R4B: 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 | Context: SubstanceSpecification.sourceMaterial | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SubstanceDefinition.sourceMaterial.json | R4B: Material or taxonomic/anatomical source (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.str.rep.document.json | R4B: An attachment with the structural representation e.g. a structure graphic or AnIML file (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.structure.representation | Type:Reference | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.str.rep.format.json | R4B: The format of the representation e.g. InChI, SMILES, MOLFILE (note: not the physical file format) (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.structure.representation | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.str.sourceDocument.json | R4B: Source of information for the structure (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.structure | Type:Reference | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.str.technique.json | R4B: The method used to find the structure e.g. X-ray, NMR (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification.structure | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SubstanceDefinition.structure.json | R4B: Structural information (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r4 | R4 | StructureDefinition-ext-R4B-SubstanceDefinition.supplier.json | R4B: An entity that is the source for the substance. It may be different from the manufacturer (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SubstanceSpecification | Type:Reference | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SupplyDelivery.identifier.json | R4B: identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: SupplyDelivery.identifier | Type:Identifier | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SupplyDelivery.meta.json | R4B: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: SupplyDelivery.meta | Type:Meta | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SupplyDelivery.occurrence.json | R4B: occurrence additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: SupplyDelivery | Type:Period,Timing | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SupplyDelivery.text.json | R4B: text additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: SupplyDelivery.text | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SupplyRequest.identifier.json | R4B: Business Identifier for SupplyRequest additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: SupplyRequest.identifier | Type:Identifier | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-SupplyRequest.item.json | R4B: item additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: SupplyRequest.item | Type:Reference | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SupplyRequest.meta.json | R4B: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: SupplyRequest.meta | Type:Meta | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SupplyRequest.occurrence.json | R4B: occurrence additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: SupplyRequest | Type:Period,Timing | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SupplyRequest.parameter.json | R4B: Ordered item details (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: SupplyRequest.orderedItem | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-SupplyRequest.reasonReference.json | R4B: reasonReference additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: SupplyRequest.reason | Type:Reference | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-SupplyRequest.text.json | R4B: text additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: SupplyRequest.text | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Task.executionPeriod.json | R4B: executionPeriod additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: Task.executionPeriod | Type:Period | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Task.groupIdentifier.json | R4B: groupIdentifier additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: Task.groupIdentifier | Type:Identifier | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Task.identifier.json | R4B: Task Instance Identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: ProcessResponse.identifier,Task.identifier,ProcessRequest.identifier | Type:Identifier | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-Task.inp.value.json | R4B: value additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: Task.input | Type:complex | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Task.insurance.json | R4B: Associated insurance coverage (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Task,ProcessRequest,ProcessResponse | Type:Reference | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Task.intent.json | R4B: unknown | proposal | plan | order | original-order | reflex-order | filler-order | instance-order | option | trial-use | 0 | fhir | 2026-03 | uv | Context: Task.intent | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Task.location.json | R4B: Where task occurs (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Task,ProcessRequest,ProcessResponse | Type:Reference | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Task.meta.json | R4B: Metadata about the resource additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: ProcessRequest.meta,Task.meta,ProcessResponse.meta | Type:Meta | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Task.note.json | R4B: note additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: Task.note | Type:Annotation | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-Task.out.value.json | R4B: value additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: Task.output | Type:complex | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-Task.performerType.json | R4B: Requested performer (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Task | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-Task.reasonReference.json | R4B: Why task is needed (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Task | Type:Reference | Mod:0 | 5 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Task.res.period.json | R4B: period additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: Task.restriction.period | Type:Period | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Task.text.json | R4B: Text summary of the resource, for human interpretation additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: ProcessRequest.text,ProcessResponse.text,Task.text | Type:complex | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.closure.json | R4B: Information about the [ConceptMap/$closure](https://hl7.org/fhir/conceptmap-operation-closure.html) operation (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.codeSearch.json | R4B: explicit | all (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.codeSystem.json | R4B: A code system supported by the server (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.contact.json | R4B: Contact details for the publisher (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.copyright.json | R4B: Use and/or publishing restrictions (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:markdown | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.date.json | R4B: Date last changed (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:dateTime | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.description.json | R4B: Natural language description of the terminology capabilities (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:markdown | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.expansion.json | R4B: Information about the [ValueSet/$expand](https://hl7.org/fhir/valueset-operation-expand.html) operation (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.experimental.json | R4B: For testing purposes, not real usage (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:boolean | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.implementation.json | R4B: If this describes a specific instance (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.jurisdiction.json | R4B: Intended jurisdiction for terminology capabilities (if applicable) (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.kind.json | R4B: instance | capability | requirements (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.lockedDate.json | R4B: Whether lockedDate is supported (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:boolean | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.name.json | R4B: Name for this terminology capabilities (computer friendly) (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.publisher.json | R4B: Name of the publisher (organization or individual) (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.purpose.json | R4B: Why this terminology capabilities is defined (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:markdown | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.software.json | R4B: Software that is covered by this terminology capability statement (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.status.json | R4B: draft | active | retired | unknown (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:code | Mod:1 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.title.json | R4B: Name for this terminology capabilities (human friendly) (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.translation.json | R4B: Information about the [ConceptMap/$translate](https://hl7.org/fhir/conceptmap-operation-translate.html) operation (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.url.json | R4B: Canonical identifier for this terminology capabilities, represented as a URI (globally unique) (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.useContext.json | R4B: The context that the content is intended to support (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.validateCode.json | R4B: Information about the [ValueSet/$validate-code](https://hl7.org/fhir/valueset-operation-validate-code.html) operation (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TerminologyCapabilities.version.json | R4B: Business version of the terminology capabilities (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TestReport.identifier.json | R4B: identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: TestReport.identifier | Type:Identifier | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TestReport.meta.json | R4B: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: TestReport.meta | Type:Meta | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-TestReport.testScript.json | R4B: Reference to the version-specific TestScript that was executed to produce this TestReport additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: TestReport.testScript | Type:Reference | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TestReport.text.json | R4B: text additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: TestReport.text | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TestScript.contact.json | R4B: contact additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: TestScript.contact | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TestScript.identifier.json | R4B: identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: TestScript.identifier | Type:Identifier | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TestScript.meta.json | R4B: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: TestScript.meta | Type:Meta | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TestScript.met.cap.capabilities.json | R4B: capabilities additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: TestScript.metadata.capability.capabilities | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-TestScript.profile.json | R4B: profile additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: TestScript.profile | Type:Reference | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TestScript.set.act.ass.requestMethod.json | R4B: delete | get | options | patch | post | put | head | trial-use | 0 | fhir | 2026-03 | uv | Context: TestScript.setup.action.assert.requestMethod | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-TestScript.set.act.ass.resource.json | R4B: resource additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: TestScript.setup.action.assert.resource | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-TestScript.set.act.ass.response.json | R4B: okay | created | noContent | notModified | bad | forbidden | notFound | methodNotAllowed | conflict | gone | preconditionFailed | unprocessable additional codes | trial-use | 0 | fhir | 2026-03 | uv | Context: TestScript.setup.action.assert.response | Type:code | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TestScript.set.act.ope.method.json | R4B: delete | get | options | patch | post | put | head (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: TestScript.setup.action.operation | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-TestScript.set.act.ope.resource.json | R4B: resource additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: TestScript.setup.action.operation.resource | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TestScript.text.json | R4B: text additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: TestScript.text | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TestScript.useContext.json | R4B: The context that the content is intended to support additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: TestScript.useContext | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Timing.rep.bounds.json | R4B: bounds additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: Timing.repeat | Type:Period,Range | Mod:0 | |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Timing.rep.when.json | R4B: Code for time period of occurrence | trial-use | 0 | fhir | 2026-03 | uv | Context: Timing.repeat.when | Type:code | Mod:0 | |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TriggerDefinition.condition.json | R4B: Whether the event triggers (boolean expression) (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: TriggerDefinition | Type:complex | Mod:0 | |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TriggerDefinition.data.json | R4B: Triggering data of the event (multiple = 'and') additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: TriggerDefinition.eventData | Type:complex | Mod:0 | |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TriggerDefinition.timing.json | R4B: timing additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: TriggerDefinition | Type:Timing | Mod:0 | |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-TriggerDefinition.type.json | R4B: named-event | periodic | data-changed | data-added | data-modified | data-removed | data-accessed | data-access-ended | trial-use | 0 | fhir | 2026-03 | uv | Context: TriggerDefinition.type | Type:code | Mod:0 | |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-UsageContext.value.json | R4B: value additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: UsageContext | Type:Reference,Range | Mod:0 | |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ValueSet.contact.json | R4B: contact additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: ValueSet.contact | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ValueSet.exp.par.value.json | R4B: value additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: ValueSet.expansion.parameter | Type:dateTime | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ValueSet.identifier.json | R4B: Additional identifier for the value set (business identifier) additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: ValueSet.identifier | Type:Identifier | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ValueSet.meta.json | R4B: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: ValueSet.meta | Type:Meta | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ValueSet.text.json | R4B: text additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: ValueSet.text | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ValueSet.useContext.json | R4B: The context that the content is intended to support additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: ValueSet.useContext | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VerificationResult.attestation.json | R4B: Information about the entity attesting to information (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VerificationResult.failureAction.json | R4B: fatal | warn | rec-only | none (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VerificationResult.frequency.json | R4B: Frequency of revalidation (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:Timing | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VerificationResult.lastPerformed.json | R4B: The date/time validation was last completed (including failed validations) (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:dateTime | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VerificationResult.need.json | R4B: none | initial | periodic (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VerificationResult.nextScheduled.json | R4B: The date when target is next validated, if appropriate (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:date | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VerificationResult.primarySource.json | R4B: Information about the primary source(s) involved in validation (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VerificationResult.statusDate.json | R4B: When the validation status was updated (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:dateTime | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VerificationResult.status.json | R4B: attested | validated | in-process | req-revalid | val-fail | reval-fail (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VerificationResult.targetLocation.json | R4B: The fhirpath location(s) within the resource that was validated (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VerificationResult.target.json | R4B: A resource that was validated (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VerificationResult.validationProcess.json | R4B: The primary process by which the target is validated (edit check; value set; primary source; multiple sources; standalone; in context) (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VerificationResult.validationType.json | R4B: nothing | primary | multiple (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VerificationResult.validator.json | R4B: Information about the entity validating information (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VisionPrescription.created.json | R4B: Response creation date (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: VisionPrescription | Type:dateTime | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VisionPrescription.identifier.json | R4B: Business Identifier for vision prescription additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: VisionPrescription.identifier | Type:Identifier | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VisionPrescription.len.note.json | R4B: note additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: VisionPrescription.dispense.note | Type:Annotation | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VisionPrescription.len.prism.json | R4B: Eye alignment compensation (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: VisionPrescription.dispense | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VisionPrescription.meta.json | R4B: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: VisionPrescription.meta | Type:Meta | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-VisionPrescription.text.json | R4B: text additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: VisionPrescription.text | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-Account.status.json | R5: active | inactive | entered-in-error | on-hold | unknown | trial-use | 0 | fhir | 2026-03 | uv | Context: Account.status | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ActivityDefinition.author.json | R5: Who authored the content additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: ActivityDefinition.contributor | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ActivityDefinition.contact.json | R5: contact additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: ActivityDefinition.contact | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ActivityDefinition.doNotPerform.json | R5: True if the activity should not be performed (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: ActivityDefinition | Type:boolean | Mod:1 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ActivityDefinition.editor.json | R5: Who edited the content additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: ActivityDefinition.contributor | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ActivityDefinition.endorser.json | R5: Who endorsed the content additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: ActivityDefinition.contributor | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ActivityDefinition.intent.json | R5: proposal | plan | directive | order | original-order | reflex-order | filler-order | instance-order | option (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: ActivityDefinition | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ActivityDefinition.library.json | R5: Logic used by the activity definition additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: ActivityDefinition.library | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ActivityDefinition.priority.json | R5: routine | urgent | asap | stat (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: ActivityDefinition | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ActivityDefinition.profile.json | R5: What profile the resource needs to conform to (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: ActivityDefinition | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ActivityDefinition.reviewer.json | R5: Who reviewed the content additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: ActivityDefinition.contributor | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ActivityDefinition.subtitle.json | R5: Subordinate title of the activity definition (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: ActivityDefinition | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ActivityDefinition.timing.json | R5: timing additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: ActivityDefinition | Type:Duration,Age | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r3 | R3 | StructureDefinition-ext-R5-ActivityDefinition.transform.json | R5: transform additional types | trial-use | 0 | fhir | 2026-03 | uv | Context: ActivityDefinition.transform | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ActorDefinition.capabilities.json | R5: CapabilityStatement for the actor (if applicable) (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:canonical | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ActorDefinition.contact.json | R5: Contact details for the publisher (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:ContactDetail | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ActorDefinition.copyrightLabel.json | R5: Copyright holder and year(s) (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ActorDefinition.copyright.json | R5: Use and/or publishing restrictions (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:markdown | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ActorDefinition.date.json | R5: Date last changed (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:dateTime | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ActorDefinition.derivedFrom.json | R5: Definition of this actor in another context / IG (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:canonical | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ActorDefinition.description.json | R5: Natural language description of the actor (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:markdown | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ActorDefinition.documentation.json | R5: Functionality associated with the actor (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:markdown | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ActorDefinition.experimental.json | R5: For testing purposes, not real usage (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:boolean | Mod:0 | 4 |
| hl7.fhir.uv.xver-r5.r4 | R4 | StructureDefinition-ext-R5-ActorDefinition.jurisdiction.json | R5: Intended jurisdiction for actor definition (if applicable) (new) | trial-use | 0 | fhir | 2026-03 | uv | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
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