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| Package | Version | Identity | Name/Title | Status | FMM | WG | Date | Realm | Auth | Context | Modifier | Type | Usage # |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Group.identifier.json | DSTU2: identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Group.identifier | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Group.mem.period.json | DSTU2: period additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Group.member.period | Type:Period | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Group.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Group.meta | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Group.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Group.text | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-Group.type.json | DSTU2: person | animal | practitioner | device | medication | substance additional codes | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Group.type | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-HealthcareService.availabilityExceptions.json | DSTU2: Description of availability exceptions (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: HealthcareService | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-HealthcareService.ava.allDay.json | DSTU2: Always available? e.g. 24 hour service (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: HealthcareService.availability | Type:boolean | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-HealthcareService.ava.availableEndTime.json | DSTU2: Closing time of day (ignored if allDay = true) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: HealthcareService.availability | Type:time | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-HealthcareService.ava.availableStartTime.json | DSTU2: Opening time of day (ignored if allDay = true) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: HealthcareService.availability | Type:time | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-HealthcareService.ava.daysOfWeek.json | DSTU2: mon | tue | wed | thu | fri | sat | sun additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: HealthcareService.availability | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-HealthcareService.identifier.json | DSTU2: identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: HealthcareService.identifier | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-HealthcareService.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: HealthcareService.meta | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-HealthcareService.not.description.json | DSTU2: Reason presented to the user explaining why time not available additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: HealthcareService.availability | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-HealthcareService.not.during.json | DSTU2: Service not availablefrom this date additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: HealthcareService.notAvailable.during | Type:Period | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-HealthcareService.photo.json | DSTU2: photo additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: HealthcareService.photo | Type:Attachment | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-HealthcareService.programName.json | DSTU2: Program Names that categorize the service additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: HealthcareService.program | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-HealthcareService.publicKey.json | DSTU2: PKI Public keys to support secure communications (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: HealthcareService | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-HealthcareService.telecom.json | DSTU2: telecom additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: HealthcareService.telecom | Type:ContactPoint | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-HealthcareService.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: HealthcareService.text | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-HumanName.period.json | DSTU2: period additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: HumanName.period | Type:Period | Mod:0 | |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Identifier.period.json | DSTU2: period additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Identifier.period | Type:Period | Mod:0 | |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingObjectSelection.authoringTime.json | DSTU2: Authoring time of the selection (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:dateTime | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingObjectSelection.description.json | DSTU2: Description text (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingObjectSelection.patient.json | DSTU2: Patient of the selected objects (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingObjectSelection.study.json | DSTU2: Study identity of the selected instances (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingObjectSelection.title.json | DSTU2: Reason for selection (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingObjectSelection.uid.json | DSTU2: Instance UID (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Basic | Type:oid | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingStudy.accession.json | DSTU2: Related workflow identifier ("Accession Number") additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImagingStudy.identifier | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingStudy.availability.json | DSTU2: ONLINE | OFFLINE | NEARLINE | UNAVAILABLE (0008,0056) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImagingStudy | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingStudy.identifier.json | DSTU2: Other identifiers for the study additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImagingStudy.identifier | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-ImagingStudy.interpreter.json | DSTU2: Who interpreted images (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImagingStudy | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingStudy.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImagingStudy.meta | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingStudy.ser.availability.json | DSTU2: ONLINE | OFFLINE | NEARLINE | UNAVAILABLE (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImagingStudy.series | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-ImagingStudy.ser.bodySite.json | DSTU2: bodySite additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImagingStudy.series.bodySite | Type:Coding | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingStudy.ser.ins.content.json | DSTU2: Content of the instance (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImagingStudy.series.instance | Type:Attachment | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingStudy.ser.ins.sopClass.json | DSTU2: sopClass additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImagingStudy.series.instance.sopClass | Type:oid | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingStudy.ser.ins.type.json | DSTU2: Type of instance (image etc.) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImagingStudy.series.instance | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingStudy.ser.url.json | DSTU2: Location of the referenced instance(s) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImagingStudy.series | Type:uri | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingStudy.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImagingStudy.text | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingStudy.uid.json | DSTU2: Formal identifier for the study additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImagingStudy.identifier | Type:oid | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImagingStudy.url.json | DSTU2: Retrieve URI (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImagingStudy | Type:uri | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Immunization.identifier.json | DSTU2: identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Immunization.identifier | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-Immunization.manufacturer.json | DSTU2: manufacturer additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Immunization.manufacturer | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Immunization.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Immunization.meta | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Immunization.note.json | DSTU2: Vaccination notes additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Immunization.note | Type:Annotation | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-Immunization.rea.detail.json | DSTU2: detail additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Immunization.reaction.manifestation | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Immunization.reported.json | DSTU2: Indicates a self-reported record (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Immunization | Type:boolean | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Immunization.status.json | DSTU2: in-progress | on-hold | completed | entered-in-error | stopped additional codes | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Immunization.status | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Immunization.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Immunization.text | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Immunization.vac.description.json | DSTU2: Details of vaccine protocol (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Immunization.protocolApplied | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-Immunization.vac.doseSequence.json | DSTU2: doseSequence additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Immunization.protocolApplied.doseNumber | Type:positiveInt | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Immunization.vac.doseStatusReason.json | DSTU2: Why dose does (not) count (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Immunization.protocolApplied | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Immunization.vac.doseStatus.json | DSTU2: Indicates if dose counts towards immunity (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Immunization.protocolApplied | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-Immunization.vac.seriesDoses.json | DSTU2: seriesDoses additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Immunization.protocolApplied.seriesDoses | Type:positiveInt | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Immunization.wasNotGiven.json | DSTU2: Flag for whether immunization was given additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Immunization | Type:boolean | Mod:1 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImmunizationRecommendation.identifier.json | DSTU2: identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImmunizationRecommendation.identifier | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImmunizationRecommendation.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImmunizationRecommendation.meta | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-IR.rec.doseNumber.json | DSTU2: Recommended dose number additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImmunizationRecommendation.recommendation.doseNumber | Type:positiveInt | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-IR.rec.pro.authority.json | DSTU2: Who is responsible for protocol (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImmunizationRecommendation.recommendation | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-IR.rec.pro.doseSequence.json | DSTU2: Dose number within sequence (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImmunizationRecommendation.recommendation | Type:integer | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImmunizationRecommendation.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImmunizationRecommendation.text | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImplementationGuide.con.name.json | DSTU2: Name of a individual to contact (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImplementationGuide.contact | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImplementationGuide.con.telecom.json | DSTU2: Contact details for individual or publisher (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImplementationGuide.contact | Type:ContactPoint | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImplementationGuide.dep.type.json | DSTU2: reference | inclusion (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImplementationGuide.dependsOn | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImplementationGuide.glo.profile.json | DSTU2: profile additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImplementationGuide.global.profile | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImplementationGuide.glo.type.json | DSTU2: Type this profiles applies to additional codes | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImplementationGuide.global.type | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImplementationGuide.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImplementationGuide.meta | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImplementationGuide.pac.res.acronym.json | DSTU2: Short code to identify the resource (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImplementationGuide.definition.resource | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImplementationGuide.pac.res.exampleFor.json | DSTU2: Resource this is an example of (if applicable) additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImplementationGuide.definition.resource | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImplementationGuide.pac.res.purpose.json | DSTU2: example | terminology | profile | extension | dictionary | logical (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImplementationGuide.definition.resource | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImplementationGuide.pac.res.source.json | DSTU2: source additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImplementationGuide.definition.resource.reference | Type:uri | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImplementationGuide.pag.format.json | DSTU2: Format of the page (e.g. html, markdown, etc.) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImplementationGuide.manifest.page | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImplementationGuide.pag.kind.json | DSTU2: page | example | list | include | directory | dictionary | toc | resource (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImplementationGuide.manifest.page | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImplementationGuide.pag.package.json | DSTU2: Name of package to include (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImplementationGuide.manifest.page | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImplementationGuide.pag.type.json | DSTU2: Kind of resource to include in the list (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImplementationGuide.manifest.page | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImplementationGuide.page.json | DSTU2: Page/Section in the Guide | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImplementationGuide.manifest.page | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-ImplementationGuide.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: ImplementationGuide.text | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-List.identifier.json | DSTU2: identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: List.identifier | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-List.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: List.meta | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-List.note.json | DSTU2: note additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: List.note | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-List.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: List.text | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Location.address.json | DSTU2: address additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Location.address | Type:Address | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Location.identifier.json | DSTU2: identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Location.identifier | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Location.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Location.meta | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Location.telecom.json | DSTU2: telecom additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Location.telecom | Type:ContactPoint | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Location.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Location.text | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Media.content.json | DSTU2: content additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Media.content | Type:Attachment | Mod:0 | 3 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Media.deviceName.json | DSTU2: Name of the device/manufacturer (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Media | Type:string | Mod:0 | 5 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-Media.duration.json | DSTU2: Length in seconds (audio / video) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: DocumentReference | Type:unsignedInt | Mod:0 | 2 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-Media.frames.json | DSTU2: Number of frames if > 1 (photo) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: DocumentReference | Type:positiveInt | Mod:0 | 2 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-Media.height.json | DSTU2: Height of the image in pixels (photo/video) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: DocumentReference | Type:positiveInt | Mod:0 | 2 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Media.identifier.json | DSTU2: identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Media.identifier | Type:Identifier | Mod:0 | 5 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Media.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Media.meta | Type:complex | Mod:0 | 5 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-Media.operator.json | DSTU2: The person who generated the image (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: DocumentReference | Type:Reference | Mod:0 | 2 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Media.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Media.text | Type:complex | Mod:0 | 5 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Media.type.json | DSTU2: photo | video | audio | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Media.type | Type:code | Mod:0 | 5 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-Media.view.json | DSTU2: Imaging view, e.g. Lateral or Antero-posterior (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: DocumentReference | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-Media.width.json | DSTU2: Width of the image in pixels (photo/video) (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: DocumentReference | Type:positiveInt | Mod:0 | 2 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Medication.isBrand.json | DSTU2: True if a brand (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Medication | Type:boolean | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Medication.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Medication.meta | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Medication.package.json | DSTU2: Details about packaged medications (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Medication | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Medication.pro.batch.json | DSTU2: (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Medication | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Medication.pro.ing.amount.json | DSTU2: amount additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Medication.ingredient.strength | Type:Ratio | Mod:0 | 3 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Medication.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Medication.text | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-MedicationAdministration.device.json | DSTU2: device additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationAdministration.device | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MA.dos.site.json | DSTU2: site additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationAdministration.dosage.site | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-MedicationAdministration.effectiveTime.json | DSTU2: Start and end time of administration (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationAdministration | Type:dateTime,Period | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationAdministration.identifier.json | DSTU2: identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationAdministration.identifier | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-MedicationAdministration.medication.json | DSTU2: medication additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationAdministration.medication | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationAdministration.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationAdministration.meta | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationAdministration.note.json | DSTU2: note additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationAdministration.note | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationAdministration.status.json | DSTU2: in-progress | on-hold | completed | entered-in-error | stopped additional codes | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationAdministration.status | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationAdministration.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationAdministration.text | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationAdministration.wasNotGiven.json | DSTU2: True if medication not administered (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationAdministration | Type:boolean | Mod:1 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationDispense.dos.aI.json | DSTU2: E.g. "Take with food" additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationDispense.dosageInstruction | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationDispense.dos.asNeeded.json | DSTU2: Take "as needed" f(or x) additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationDispense.dosageInstruction | Type:boolean,CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationDispense.dos.dose.json | DSTU2: Amount of medication per dose additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationDispense.dosageInstruction | Type:Quantity,Range | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationDispense.dos.maxDosePerPeriod.json | DSTU2: Upper limit on medication per unit of time additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationDispense.dosageInstruction | Type:Ratio | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationDispense.dos.method.json | DSTU2: Technique for administering medication additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationDispense.dosageInstruction | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationDispense.dos.rate.json | DSTU2: Amount of medication per unit of time additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationDispense.dosageInstruction | Type:Ratio,Range | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationDispense.dos.route.json | DSTU2: How drug should enter body additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationDispense.dosageInstruction | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationDispense.dos.site.json | DSTU2: Body site to administer to additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationDispense.dosageInstruction | Type:Reference,CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationDispense.dos.text.json | DSTU2: Dosage Instructions additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationDispense.dosageInstruction | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationDispense.dos.timing.json | DSTU2: When medication should be administered additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationDispense.dosageInstruction | Type:Timing | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationDispense.identifier.json | DSTU2: identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationDispense.identifier | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-MedicationDispense.medication.json | DSTU2: medication additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationDispense.medication | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationDispense.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationDispense.meta | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationDispense.note.json | DSTU2: note additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationDispense.note | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationDispense.status.json | DSTU2: in-progress | on-hold | completed | entered-in-error | stopped additional codes | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationDispense.status | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationDispense.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationDispense.text | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.dateEnded.json | DSTU2: When prescription was stopped (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest | Type:dateTime | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.dis.medication.json | DSTU2: Product to be supplied (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.dispenseRequest | Type:Reference,CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.dis.validityPeriod.json | DSTU2: validityPeriod additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.dispenseRequest.validityPeriod | Type:Period | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.dos.aI.json | DSTU2: Supplemental instructions - e.g. "with meals" additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.dosageInstruction | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.dos.asNeeded.json | DSTU2: Take "as needed" (for x) additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.dosageInstruction | Type:boolean,CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.dos.dose.json | DSTU2: Amount of medication per dose additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.dosageInstruction | Type:Quantity,Range | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.dos.maxDosePerPeriod.json | DSTU2: Upper limit on medication per unit of time additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.dosageInstruction | Type:Ratio | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.dos.method.json | DSTU2: Technique for administering medication additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.dosageInstruction | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.dos.rate.json | DSTU2: Amount of medication per unit of time additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.dosageInstruction | Type:Ratio,Range | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.dos.route.json | DSTU2: How drug should enter body additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.dosageInstruction | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.dos.site.json | DSTU2: Body site to administer to additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.dosageInstruction | Type:Reference,CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.dos.text.json | DSTU2: Dosage instructions expressed as text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.dosageInstruction | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.dos.timing.json | DSTU2: When medication should be administered additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.dosageInstruction | Type:Timing | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.identifier.json | DSTU2: External identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.identifier | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-MedicationOrder.medication.json | DSTU2: medication additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.medication | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.meta | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.note.json | DSTU2: note additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.note | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.reasonEnded.json | DSTU2: Why prescription was stopped (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.status.json | DSTU2: active | on-hold | completed | entered-in-error | stopped | draft additional codes | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.status | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.sub.type.json | DSTU2: generic | formulary + (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.substitution | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationOrder.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationRequest.text | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationStatement.dos.asNeeded.json | DSTU2: Take "as needed" (for x) additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement.dosage | Type:boolean,CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationStatement.dos.maxDosePerPeriod.json | DSTU2: Maximum dose that was consumed per unit of time additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement.dosage | Type:Ratio | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationStatement.dos.method.json | DSTU2: Technique used to administer medication additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement.dosage | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationStatement.dos.quantity.json | DSTU2: Amount administered in one dose additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement.dosage | Type:Quantity,Range | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationStatement.dos.rate.json | DSTU2: Dose quantity per unit of time additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement.dosage | Type:Ratio,Range | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationStatement.dos.route.json | DSTU2: How the medication entered the body additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement.dosage | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationStatement.dos.site.json | DSTU2: Where (on body) medication is/was administered additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement.dosage | Type:Reference,CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationStatement.dos.text.json | DSTU2: Reported dosage information additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement.dosage | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationStatement.dos.timing.json | DSTU2: When/how often was medication taken additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement.dosage | Type:Timing | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationStatement.identifier.json | DSTU2: identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement.identifier | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-MedicationStatement.medication.json | DSTU2: medication additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement.medication | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationStatement.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement.meta | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationStatement.note.json | DSTU2: note additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement.note | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationStatement.reasonForUse.json | DSTU2: additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement.reasonCode | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-MedicationStatement.reasonNotTaken.json | DSTU2: True if asserting medication was not given (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-MedicationStatement.status.json | DSTU2: active | completed | entered-in-error | intended additional codes | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement.status | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationStatement.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement.text | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MedicationStatement.wasNotTaken.json | DSTU2: True if medication is/was not being taken (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MedicationStatement | Type:boolean | Mod:1 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-MessageHeader.enterer.json | DSTU2: The source of the data entry (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MessageHeader | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MessageHeader.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MessageHeader.meta | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-MessageHeader.res.identifier.json | DSTU2: Id of original message additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MessageHeader.response.identifier | Type:id | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MessageHeader.sou.contact.json | DSTU2: contact additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MessageHeader.source.contact | Type:ContactPoint | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MessageHeader.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MessageHeader.text | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-MessageHeader.timestamp.json | DSTU2: Time that the message was sent (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: MessageHeader | Type:instant | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-NamingSystem.con.name.json | DSTU2: Name of a individual to contact (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: NamingSystem.contact | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-NamingSystem.con.telecom.json | DSTU2: Contact details for individual or publisher (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: NamingSystem.contact | Type:ContactPoint | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-NamingSystem.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: NamingSystem.meta | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-NamingSystem.replacedBy.json | DSTU2: Use this instead (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: NamingSystem | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-NamingSystem.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: NamingSystem.text | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-NamingSystem.uni.period.json | DSTU2: period additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: NamingSystem.uniqueId.period | Type:Period | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-NamingSystem.uni.type.json | DSTU2: oid | uuid | uri | other additional codes | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: NamingSystem.uniqueId.type | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r5 | R5 | StructureDefinition-ext-R2-NutritionOrder.ent.additiveType.json | DSTU2: Type of modular component to add to the feeding (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: NutritionOrder.enteralFormula | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-NutritionOrder.ent.adm.schedule.json | DSTU2: schedule additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: NutritionOrder.enteralFormula.administration.schedule | Type:Timing | Mod:0 | 3 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-NutritionOrder.identifier.json | DSTU2: identifier additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: NutritionOrder.identifier | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-NutritionOrder.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: NutritionOrder.meta | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-NutritionOrder.ora.schedule.json | DSTU2: schedule additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: NutritionOrder.oralDiet.schedule | Type:Timing | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-NutritionOrder.status.json | DSTU2: proposed | draft | planned | requested | active | on-hold | completed | cancelled additional codes | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: NutritionOrder.status | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-NutritionOrder.sup.schedule.json | DSTU2: schedule additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: NutritionOrder.supplement.schedule | Type:Timing | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-NutritionOrder.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: NutritionOrder.text | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Observation.comments.json | DSTU2: Comments about result additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Observation.note | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Observation.com.value.json | DSTU2: value additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Observation.component | Type:SampledData,Period,Ratio,Attachment,Range | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Observation.identifier.json | DSTU2: Unique Id for this particular observation additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Observation.identifier | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Observation.meta.json | DSTU2: meta additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Observation.meta | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Observation.ref.age.json | DSTU2: age additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Observation.referenceRange.age | Type:Range | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Observation.rel.type.json | DSTU2: has-member | derived-from | sequel-to | replaces | qualified-by | interfered-by (new) | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Observation | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Observation.status.json | DSTU2: status additional codes | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Observation.status | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Observation.text.json | DSTU2: text additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Observation.text | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-Observation.value.json | DSTU2: value additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: Observation | Type:SampledData,Period,Ratio,Attachment,Range | Mod:0 | 4 |
| hl7.fhir.uv.xver-r2.r4b | R4B | StructureDefinition-ext-R2-OperationDefinition.base.json | DSTU2: base additional types | trial-use | 0 | fhir | 2026-03 | uv | hl7 | Context: OperationDefinition.base | Type:Reference | Mod:0 | 4 |
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