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| Package | Version | Identity | Name/Title | Status | FMM | WG | Date | Auth | Context | Modifier | Type | Usage # |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-SearchParameter.xpathUsage.json | R4: normal | phonetic | nearby | distance | other additional codes | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SearchParameter.processingMode | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-SearchParameter.xpath.json | R4: XPath that extracts the values (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SearchParameter | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-ServiceRequest.instantiatesCanonical.json | R4: Instantiates FHIR protocol or definition additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ReferralRequest.definition,ProcedureRequest.definition | Type:uri | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-ServiceRequest.instantiatesUri.json | R4: Instantiates external protocol or definition (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ReferralRequest,ProcedureRequest | Type:uri | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-ServiceRequest.insurance.json | R4: Associated insurance coverage (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ReferralRequest,ProcedureRequest | Type:Reference | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-ServiceRequest.intent.json | R4: proposal | plan | directive | order | original-order | reflex-order | filler-order | instance-order | option | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ProcedureRequest.intent,ReferralRequest.intent | Type:code | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-ServiceRequest.locationCode.json | R4: Requested location (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ReferralRequest,ProcedureRequest | Type:CodeableConcept | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-ServiceRequest.locationReference.json | R4: Requested location (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ReferralRequest,ProcedureRequest | Type:Reference | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-ServiceRequest.patientInstruction.json | R4: Patient or consumer-oriented instructions (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ReferralRequest,ProcedureRequest | Type:string | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-ServiceRequest.quantity.json | R4: Service amount (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ReferralRequest,ProcedureRequest | Type:Quantity,Ratio,Range | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-ServiceRequest.reasonReference.json | R4: Explanation/Justification for service or service additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ServiceRequest.reason | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Signature.targetFormat.json | R4: The technical format of the signed resources (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Signature | Type:code | Mod:0 | |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Specimen.col.duration.json | R4: How long it took to collect specimen (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Specimen.collection | Type:Duration | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Specimen.col.fastingStatus.json | R4: Whether or how long patient abstained from food and/or drink (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Specimen.collection | Type:Duration,CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Specimen.condition.json | R4: State of the specimen (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Specimen | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Specimen.con.additive.json | R4: Additive associated with container (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Specimen.container | Type:Reference,CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Specimen.con.capacity.json | R4: Container volume or size (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Specimen.container | Type:Quantity | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Specimen.con.description.json | R4: Textual description of the container (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Specimen.container | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Specimen.con.identifier.json | R4: Id for the container (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Specimen.container | Type:Identifier | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Specimen.con.type.json | R4: Kind of container directly associated with specimen (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Specimen.container | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SpecimenDefinition.collection.json | R4: Specimen collection procedure (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SpecimenDefinition.patientPreparation.json | R4: Patient preparation for collection (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SpecimenDefinition.timeAspect.json | R4: Time aspect for collection (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SpecimenDefinition.typeCollected.json | R4: Kind of material to collect (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SpecimenDefinition.typeTested.json | R4: Specimen in container intended for testing by lab (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-StructureDefinition.con.type.json | R4: fhirpath | element | extension (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: DataElement,StructureDefinition.context | Type:code | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-StructureDefinition.fhirVersion.json | R4: fhirVersion additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: StructureDefinition.fhirVersion | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-StructureMap.gro.rul.sou.defaultValue.json | R4: Default value if no value exists additional types | trial-use | 0 | fhir | 2026-03 | hl7 | 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 | 2 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-StructureMap.gro.rul.sou.logMessage.json | R4: Message to put in log if source exists (FHIRPath) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: StructureMap.group.rule.source | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-StructureMap.gro.rul.tar.contextType.json | R4: type | variable (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: StructureMap.group.rule.target | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-StructureMap.gro.typeMode.json | R4: none | types | type-and-types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: StructureMap.group.typeMode | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Subscription.cha.payload.json | R4: MIME type to send, or omit for no payload | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Subscription.channel.payload | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Subscription.channel.json | R4: The channel on which to report matches to the criteria (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Subscription | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Subscription.criteria.json | R4: Rule for server push (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Subscription | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Subscription.error.json | R4: Latest error note (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Subscription | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Substance.ins.expiry.json | R4: When no longer valid to use (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Substance.instance | Type:dateTime | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Substance.ins.identifier.json | R4: Identifier of the package/container (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Substance.instance | Type:Identifier | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Substance.ins.quantity.json | R4: Amount of substance in the package (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Substance.instance | Type:Quantity | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceAmount.amountText.json | R4: A textual comment on a numeric value (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceAmount.amountType.json | R4: Most elements that require a quantitative value will also have a field called amount type. Amount type should always be specified because the actual value of the amount is often dependent on it. EXAMPLE: In capturing the actual relative amounts of substances or molecular fragments it is essential to indicate whether the amount refers to a mole ratio or weight ratio. For any given element an effort should be made to use same the amount type for all related definitional elements (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceAmount.amount.json | R4: Used to capture quantitative values for a variety of elements. If only limits are given, the arithmetic mean would be the average. If only a single definite value for a given element is given, it would be captured in this field (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string,Quantity,Range | Mod:0 | |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceAmount.referenceRange.json | R4: Reference range of possible or expected values (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceNucleicAcid.areaOfHybridisation.json | R4: The area of hybridisation shall be described if applicable for double stranded RNA or DNA. The number associated with the subunit followed by the number associated to the residue shall be specified in increasing order. The underscore “” shall be used as separator as follows: “Subunitnumber Residue” (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceNucleicAcid.numberOfSubunits.json | R4: The number of linear sequences of nucleotides linked through phosphodiester bonds shall be described. Subunits would be strands of nucleic acids that are tightly associated typically through Watson-Crick base pairing. NOTE: If not specified in the reference source, the assumption is that there is 1 subunit (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:integer | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceNucleicAcid.oligoNucleotideType.json | R4: (TBC) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceNucleicAcid.sequenceType.json | R4: The type of the sequence shall be specified based on a controlled vocabulary (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceNucleicAcid.subunit.json | R4: Subunits are listed in order of decreasing length; sequences of the same length will be ordered by molecular weight; subunits that have identical sequences will be repeated multiple times (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstancePolymer.class.json | R4: Todo (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstancePolymer.copolymerConnectivity.json | R4: Todo (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstancePolymer.geometry.json | R4: Todo (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstancePolymer.modification.json | R4: Todo (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstancePolymer.monomerSet.json | R4: Todo (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstancePolymer.repeat.json | R4: Todo (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceProtein.disulfideLinkage.json | R4: The disulphide bond between two cysteine residues either on the same subunit or on two different subunits shall be described. The position of the disulfide bonds in the SubstanceProtein shall be listed in increasing order of subunit number and position within subunit followed by the abbreviation of the amino acids involved. The disulfide linkage positions shall actually contain the amino acid Cysteine at the respective positions (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceProtein.numberOfSubunits.json | R4: Number of linear sequences of amino acids linked through peptide bonds. The number of subunits constituting the SubstanceProtein shall be described. It is possible that the number of subunits can be variable (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:integer | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceProtein.sequenceType.json | R4: The SubstanceProtein descriptive elements will only be used when a complete or partial amino acid sequence is available or derivable from a nucleic acid sequence (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceProtein.subunit.json | R4: This subclause refers to the description of each subunit constituting the SubstanceProtein. A subunit is a linear sequence of amino acids linked through peptide bonds. The Subunit information shall be provided when the finished SubstanceProtein is a complex of multiple sequences; subunits are not used to delineate domains within a single sequence. Subunits are listed in order of decreasing length; sequences of the same length will be ordered by decreasing molecular weight; subunits that have identical sequences will be repeated multiple times (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceReferenceInformation.classification.json | R4: Todo (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceReferenceInformation.comment.json | R4: Todo (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceReferenceInformation.geneElement.json | R4: Todo (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceReferenceInformation.gene.json | R4: Todo (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceReferenceInformation.target.json | R4: Todo (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSourceMaterial.countryOfOrigin.json | R4: The country where the plant material is harvested or the countries where the plasma is sourced from as laid down in accordance with the Plasma Master File. For “Plasma-derived substances” the attribute country of origin provides information about the countries used for the manufacturing of the Cryopoor plama or Crioprecipitate (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSourceMaterial.developmentStage.json | R4: Stage of life for animals, plants, insects and microorganisms. This information shall be provided only when the substance is significantly different in these stages (e.g. foetal bovine serum) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSourceMaterial.fractionDescription.json | R4: Many complex materials are fractions of parts of plants, animals, or minerals. Fraction elements are often necessary to define both Substances and Specified Group 1 Substances. For substances derived from Plants, fraction information will be captured at the Substance information level ( . Oils, Juices and Exudates). Additional information for Extracts, such as extraction solvent composition, will be captured at the Specified Substance Group 1 information level. For plasma-derived products fraction information will be captured at the Substance and the Specified Substance Group 1 levels (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSourceMaterial.geographicalLocation.json | R4: The place/region where the plant is harvested or the places/regions where the animal source material has its habitat (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSourceMaterial.organismId.json | R4: The unique identifier associated with the source material parent organism shall be specified (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSourceMaterial.organismName.json | R4: The organism accepted Scientific name shall be provided based on the organism taxonomy (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSourceMaterial.organism.json | R4: This subclause describes the organism which the substance is derived from. For vaccines, the parent organism shall be specified based on these subclause elements. As an example, full taxonomy will be described for the Substance Name: ., Leaf (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSourceMaterial.parentSubstanceId.json | R4: The parent of the herbal drug Ginkgo biloba, Leaf is the substance ID of the substance (fresh) of Ginkgo biloba L. or Ginkgo biloba L. (Whole plant) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Identifier | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSourceMaterial.parentSubstanceName.json | R4: The parent substance of the Herbal Drug, or Herbal preparation (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSourceMaterial.partDescription.json | R4: To do (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSourceMaterial.sourceMaterialClass.json | R4: General high level classification of the source material specific to the origin of the material (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSourceMaterial.sourceMaterialState.json | R4: The state of the source material when extracted (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSourceMaterial.sourceMaterialType.json | R4: The type of the source material shall be specified based on a controlled vocabulary. For vaccines, this subclause refers to the class of infectious agent (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SS.cod.comment.json | R4: Any comment can be provided in this field, if necessary (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition.code | Type:string | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SubstanceSpecification.code.json | R4: Codes associated with the substance (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSpecification.comment.json | R4: Textual comment about this record of a substance (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition | Type:string | Mod:0 | 5 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SubstanceSpecification.description.json | R4: Textual description of the substance (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SubstanceSpecification.domain.json | R4: If the substance applies to only human or veterinary use (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SubstanceSpecification.moiety.json | R4: Moiety, for structural modifications (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SubstanceSpecification.name.json | R4: Names applicable to this substance (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSpecification.nucleicAcid.json | R4: Data items specific to nucleic acids (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition | Type:Reference | Mod:0 | 5 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSpecification.polymer.json | R4: Data items specific to polymers (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition | Type:Reference | Mod:0 | 5 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SS.pro.amount.json | R4: Quantitative value for this property (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition.property | Type:string,Quantity | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SS.pro.category.json | R4: A category for this property, e.g. Physical, Chemical, Enzymatic (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition.property | Type:CodeableConcept | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SS.pro.code.json | R4: Property type e.g. viscosity, pH, isoelectric point (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition.property | Type:CodeableConcept | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SS.pro.definingSubstance.json | R4: A substance upon which a defining property depends (e.g. for solubility: in water, in alcohol) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition.property | Type:Reference,CodeableConcept | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SS.pro.parameters.json | R4: Parameters that were used in the measurement of a property (e.g. for viscosity: measured at 20C with a pH of 7.1) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition.property | Type:string | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SubstanceSpecification.property.json | R4: General specifications for this substance, including how it is related to other substances (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSpecification.protein.json | R4: Data items specific to proteins (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition | Type:Reference | Mod:0 | 5 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSpecification.referenceInformation.json | R4: General information detailing this substance (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition | Type:Reference | Mod:0 | 5 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SS.rel.amountRatioLowLimit.json | R4: For use when the numeric (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition.relationship | Type:Ratio | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SS.rel.amountType.json | R4: An operator for the amount, for example "average", "approximately", "less than" (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition.relationship | Type:CodeableConcept | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SS.rel.amount.json | R4: A numeric factor for the relationship, for instance to express that the salt of a substance has some percentage of the active substance in relation to some other additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition.relationship | Type:Range | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SS.rel.relationship.json | R4: For example "salt to parent", "active moiety", "starting material" (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition.relationship | Type:CodeableConcept | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SS.rel.substance.json | R4: A pointer to another substance, as a resource or just a representational code (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition.relationship | Type:Reference,CodeableConcept | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SubstanceSpecification.relationship.json | R4: A link between this substance and another, with details of the relationship (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SubstanceSpecification.sourceMaterial.json | R4: Material or taxonomic/anatomical source for the substance (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Reference | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSpecification.source.json | R4: Supporting literature (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition | Type:Reference | Mod:0 | 5 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SubstanceSpecification.status.json | R4: Status of substance within the catalogue e.g. approved (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SS.str.iso.molecularWeight.json | R4: The molecular weight or weight range (for proteins, polymers or nucleic acids) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SS.str.isotope.json | R4: Applicable for single substances that contain a radionuclide or a non-natural isotopic ratio (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition.structure | Type:complex | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SS.str.rep.attachment.json | R4: An attached file with the structural representation (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition.structure.representation | Type:Attachment | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SS.str.source.json | R4: Supporting literature (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition.structure | Type:Reference | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SubstanceSpecification.structure.json | R4: Structural information (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-SubstanceSpecification.type.json | R4: High level categorization, e.g. polymer or nucleic acid (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SubstanceDefinition | Type:CodeableConcept | Mod:0 | 5 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-SupplyRequest.item.json | R4: item additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SupplyRequest.item | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-SupplyRequest.parameter.json | R4: Ordered item details (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SupplyRequest.orderedItem | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-SupplyRequest.reasonReference.json | R4: reasonReference additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: SupplyRequest.reason | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Task.inp.value.json | R4: value additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Task.input | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Task.insurance.json | R4: Associated insurance coverage (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Task,ProcessRequest,ProcessResponse | Type:Reference | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Task.intent.json | R4: unknown | proposal | plan | order | original-order | reflex-order | filler-order | instance-order | option | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Task.intent | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Task.location.json | R4: Where task occurs (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Task,ProcessRequest,ProcessResponse | Type:Reference | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Task.out.value.json | R4: value additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Task.output | Type:complex | Mod:0 | 2 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Task.performerType.json | R4: Requested performer (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Task | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-Task.reasonReference.json | R4: Why task is needed (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Task | Type:Reference | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.closure.json | R4: Information about the [ConceptMap/$closure](https://hl7.org/fhir/conceptmap-operation-closure.html) operation (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.codeSearch.json | R4: explicit | all (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.codeSystem.json | R4: A code system supported by the server (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.contact.json | R4: Contact details for the publisher (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.copyright.json | R4: Use and/or publishing restrictions (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:markdown | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.date.json | R4: Date last changed (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:dateTime | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.description.json | R4: Natural language description of the terminology capabilities (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:markdown | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.expansion.json | R4: Information about the [ValueSet/$expand](https://hl7.org/fhir/valueset-operation-expand.html) operation (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.experimental.json | R4: For testing purposes, not real usage (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:boolean | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.implementation.json | R4: If this describes a specific instance (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.jurisdiction.json | R4: Intended jurisdiction for terminology capabilities (if applicable) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.kind.json | R4: instance | capability | requirements (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.lockedDate.json | R4: Whether lockedDate is supported (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:boolean | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.name.json | R4: Name for this terminology capabilities (computer friendly) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.publisher.json | R4: Name of the publisher (organization or individual) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.purpose.json | R4: Why this terminology capabilities is defined (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:markdown | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.software.json | R4: Software that is covered by this terminology capability statement (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.status.json | R4: draft | active | retired | unknown (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:code | Mod:1 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.title.json | R4: Name for this terminology capabilities (human friendly) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.translation.json | R4: Information about the [ConceptMap/$translate](https://hl7.org/fhir/conceptmap-operation-translate.html) operation (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.url.json | R4: Canonical identifier for this terminology capabilities, represented as a URI (globally unique) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.useContext.json | R4: The context that the content is intended to support (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.validateCode.json | R4: Information about the [ValueSet/$validate-code](https://hl7.org/fhir/valueset-operation-validate-code.html) operation (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TerminologyCapabilities.version.json | R4: Business version of the terminology capabilities (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-TestReport.testScript.json | R4: Reference to the version-specific TestScript that was executed to produce this TestReport additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: TestReport.testScript | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TestScript.met.cap.capabilities.json | R4: capabilities additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: TestScript.metadata.capability.capabilities | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-TestScript.profile.json | R4: profile additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: TestScript.profile | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TestScript.set.act.ass.requestMethod.json | R4: delete | get | options | patch | post | put | head | trial-use | 0 | fhir | 2026-03 | hl7 | Context: TestScript.setup.action.assert.requestMethod | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-TestScript.set.act.ass.resource.json | R4: resource | trial-use | 0 | fhir | 2026-03 | hl7 | Context: TestScript.setup.action.assert.resource | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r5 | R5 | StructureDefinition-ext-R4-TestScript.set.act.ass.response.json | R4: okay | created | noContent | notModified | bad | forbidden | notFound | methodNotAllowed | conflict | gone | preconditionFailed | unprocessable additional codes | trial-use | 0 | fhir | 2026-03 | hl7 | Context: TestScript.setup.action.assert.response | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TestScript.set.act.ope.method.json | R4: delete | get | options | patch | post | put | head (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: TestScript.setup.action.operation | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r4b | R4B | StructureDefinition-ext-R4-TestScript.set.act.ope.resource.json | R4: resource | trial-use | 0 | fhir | 2026-03 | hl7 | Context: TestScript.setup.action.operation.resource | Type:code | Mod:0 | 4 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-Timing.rep.when.json | R4: Code for time period of occurrence | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Timing.repeat.when | Type:code | Mod:0 | |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TriggerDefinition.condition.json | R4: Whether the event triggers (boolean expression) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: TriggerDefinition | Type:complex | Mod:0 | |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-TriggerDefinition.type.json | R4: named-event | periodic | data-changed | data-added | data-modified | data-removed | data-accessed | data-access-ended | trial-use | 0 | fhir | 2026-03 | hl7 | Context: TriggerDefinition.type | Type:code | Mod:0 | |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-UsageContext.value.json | R4: value additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: UsageContext | Type:Reference | Mod:0 | |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-ValueSet.exp.par.value.json | R4: value additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ValueSet.expansion.parameter | Type:dateTime | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-VerificationResult.attestation.json | R4: Information about the entity attesting to information (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-VerificationResult.failureAction.json | R4: fatal | warn | rec-only | none (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-VerificationResult.frequency.json | R4: Frequency of revalidation (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Timing | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-VerificationResult.lastPerformed.json | R4: The date/time validation was last completed (including failed validations) (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:dateTime | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-VerificationResult.need.json | R4: none | initial | periodic (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-VerificationResult.nextScheduled.json | R4: The date when target is next validated, if appropriate (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:date | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-VerificationResult.primarySource.json | R4: Information about the primary source(s) involved in validation (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-VerificationResult.statusDate.json | R4: When the validation status was updated (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:dateTime | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-VerificationResult.status.json | R4: attested | validated | in-process | req-revalid | val-fail | reval-fail (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-VerificationResult.targetLocation.json | R4: The fhirpath location(s) within the resource that was validated (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-VerificationResult.target.json | R4: A resource that was validated (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-VerificationResult.validationProcess.json | R4: 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 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-VerificationResult.validationType.json | R4: nothing | primary | multiple (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:CodeableConcept | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-VerificationResult.validator.json | R4: Information about the entity validating information (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Basic | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-VisionPrescription.created.json | R4: Response creation date (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: VisionPrescription | Type:dateTime | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4.r3 | R3 | StructureDefinition-ext-R4-VisionPrescription.len.prism.json | R4: Eye alignment compensation (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: VisionPrescription.dispense | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Account.gua.period.json | R4B: Guarantee account during additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Account.guarantor.period | Type:Period | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Account.identifier.json | R4B: identifier additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Account.identifier | Type:Identifier | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Account.meta.json | R4B: meta additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Account.meta | Type:Meta | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Account.partOf.json | R4B: Reference to a parent Account (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Account | Type:Reference | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Account.servicePeriod.json | R4B: servicePeriod additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Account.period | Type:Period | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Account.status.json | R4B: active | inactive | entered-in-error | on-hold | unknown | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Account.status | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-Account.text.json | R4B: text additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: Account.text | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.author.json | R4B: Who authored the content additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition.contributor | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.contact.json | R4B: contact additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition.contact | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.doNotPerform.json | R4B: True if the activity should not be performed (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition | Type:boolean | Mod:1 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.dosage.json | R4B: dosage additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition.dosage | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.editor.json | R4B: Who edited the content additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition.contributor | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.effectivePeriod.json | R4B: effectivePeriod additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition.effectivePeriod | Type:Period | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.endorser.json | R4B: Who endorsed the content additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition.contributor | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.identifier.json | R4B: identifier additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition.identifier | Type:Identifier | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.intent.json | R4B: proposal | plan | directive | order | original-order | reflex-order | filler-order | instance-order | option (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.library.json | R4B: Logic used by the activity definition additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition.library | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.meta.json | R4B: meta additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition.meta | Type:Meta | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-ActivityDefinition.observationRequirement.json | R4B: observationRequirement additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition.observationRequirement | Type:Reference | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-ActivityDefinition.oRR.json | R4B: observationResultRequirement additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition.observationResultRequirement | Type:Reference | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.par.type.json | R4B: patient | practitioner | related-person | device | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition.participant.type | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.priority.json | R4B: routine | urgent | asap | stat (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition | Type:code | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.profile.json | R4B: What profile the resource needs to conform to (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition | Type:uri | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.relatedArtifact.json | R4B: Additional documentation, citations, etc. additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition.relatedArtifact | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.reviewer.json | R4B: Who reviewed the content additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition.contributor | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-ActivityDefinition.specimenRequirement.json | R4B: specimenRequirement additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition.specimenRequirement | Type:Reference | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.subtitle.json | R4B: Subordinate title of the activity definition (new) | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition | Type:string | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.text.json | R4B: text additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition.text | Type:complex | Mod:0 | 1 |
| hl7.fhir.uv.xver-r4b.r5 | R5 | StructureDefinition-ext-R4B-ActivityDefinition.timing.json | R4B: timing additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition | Type:dateTime,Period | Mod:0 | 3 |
| hl7.fhir.uv.xver-r4b.r3 | R3 | StructureDefinition-ext-R4B-ActivityDefinition.transform.json | R4B: transform additional types | trial-use | 0 | fhir | 2026-03 | hl7 | Context: ActivityDefinition.transform | Type:uri | Mod:0 | 1 |
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