FHIR Cross-Version Extensions package for FHIR R4 from FHIR R5
0.0.1-snapshot-2 - informative International flag

FHIR Cross-Version Extensions package for FHIR R4 from FHIR R5 - Version 0.0.1-snapshot-2. See the Directory of published versions

Extension: Cross-version Extension for R5.ServiceRequest.orderDetail for use in FHIR R4

Official URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-ServiceRequest.orderDetail Version: 0.0.1-snapshot-2
Standards status: Informative Maturity Level: 0 Computable Name: Ext_R5_ServiceRequest_orderDetail
This cross-version extension represents ServiceRequest.orderDetail from http://hl7.org/fhir/StructureDefinition/ServiceRequest 5.0.0 for use in FHIR R4.

Context of Use

This extension may be used on the following element(s):

  • Element ID ServiceRequest.orderDetail

Usage info

Usages:

  • This Extension is not used by any profiles in this Implementation Guide

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

This structure is derived from Extension

Summary

Simple Extension with the type base64Binary, boolean, canonical, code, date, dateTime, decimal, id, instant, integer, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, Reference, SampledData, Signature, Timing, ContactDetail, Contributor, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Dosage, Meta: This cross-version extension represents ServiceRequest.orderDetail from http://hl7.org/fhir/StructureDefinition/ServiceRequest|5.0.0 for use in FHIR R4.

Maturity: 0

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension(4.0.1) Additional order information
... Slices for extension 1..* Extension Extension
Slice: Unordered, Closed by value:url
.... extension:parameterFocus 0..1 Extension The context of the order details by reference
..... Slices for extension 0..* Extension Extension
Slice: Unordered, Closed by value:url
...... extension:concept 0..1 Extension Reference to a concept (by class)
....... url 1..1 uri "concept"
....... value[x] 0..1 CodeableConcept Reference to a concept (by class)
...... extension:reference 0..1 Extension Reference to a resource (by instance)
....... url 1..1 uri "reference"
....... value[x] 0..1 Reference() Reference to a resource (by instance)
...... extension:_datatype 0..1 (Complex) Data type name for ServiceRequest.orderDetail.parameterFocus from FHIR R5
URL: http://hl7.org/fhir/StructureDefinition/_datatype
....... value[x] 1..1 string Value of extension
Fixed Value: CodeableReference
..... url 1..1 uri "parameterFocus"
.... extension:parameter 1..* Extension The parameter details for the service being requested
..... Slices for extension 2..* Extension Extension
Slice: Unordered, Closed by value:url
...... extension:code 1..1 Extension The detail of the order being requested
....... url 1..1 uri "code"
....... value[x] 0..1 CodeableConcept The detail of the order being requested
Binding: R5_servicerequest_orderdetail_parameter_code_for_R4 (0.0.1-snapshot-2) (example): Codes for order detail parameters.
...... extension:value[x] 1..1 Extension The value for the order detail
....... url 1..1 uri "value[x]"
....... value[x] 0..1 The value for the order detail
........ valueQuantity Quantity
........ valueRatio Ratio
........ valueRange Range
........ valueBoolean boolean
........ valueCodeableConcept CodeableConcept
........ valueString string
........ valuePeriod Period
..... url 1..1 uri "parameter"
... url 1..1 uri "http://hl7.org/fhir/5.0/StructureDefinition/extension-ServiceRequest.orderDetail"

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension(4.0.1) Additional order information
Constraints: ext-1
... id 0..1 string Unique id for inter-element referencing
... Slices for extension 1..* Extension Extension
Slice: Unordered, Closed by value:url
Constraints: ext-1
.... extension:parameterFocus 0..1 Extension The context of the order details by reference
Constraints: ext-1
..... id 0..1 string Unique id for inter-element referencing
..... Slices for extension 0..* Extension Extension
Slice: Unordered, Closed by value:url
Constraints: ext-1
...... extension:concept 0..1 Extension Reference to a concept (by class)
Constraints: ext-1
....... id 0..1 string Unique id for inter-element referencing
....... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Constraints: ext-1
....... url 1..1 uri "concept"
....... value[x] 0..1 CodeableConcept Reference to a concept (by class)
...... extension:reference 0..1 Extension Reference to a resource (by instance)
Constraints: ext-1
....... id 0..1 string Unique id for inter-element referencing
....... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Constraints: ext-1
....... url 1..1 uri "reference"
....... value[x] 0..1 Reference() Reference to a resource (by instance)
...... extension:_datatype 0..1 (Complex) Data type name for ServiceRequest.orderDetail.parameterFocus from FHIR R5
URL: http://hl7.org/fhir/StructureDefinition/_datatype
Constraints: ext-1
....... id 0..1 id Unique id for inter-element referencing
....... extension 0..0
....... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/_datatype"
....... value[x] 1..1 string Value of extension
Fixed Value: CodeableReference
..... url 1..1 uri "parameterFocus"
..... value[x] 0..1 Value of extension
...... valueBase64Binary base64Binary
...... valueBoolean boolean
...... valueCanonical canonical(Any)
...... valueCode code
...... valueDate date
...... valueDateTime dateTime
...... valueDecimal decimal
...... valueId id
...... valueInstant instant
...... valueInteger integer
...... valueMarkdown markdown
...... valueOid oid
...... valuePositiveInt positiveInt
...... valueString string
...... valueTime time
...... valueUnsignedInt unsignedInt
...... valueUri uri
...... valueUrl url
...... valueUuid uuid
...... valueAddress Address
...... valueAge Age
...... valueAnnotation Annotation
...... valueAttachment Attachment
...... valueCodeableConcept CodeableConcept
...... valueCoding Coding
...... valueContactPoint ContactPoint
...... valueCount Count
...... valueDistance Distance
...... valueDuration Duration
...... valueHumanName HumanName
...... valueIdentifier Identifier
...... valueMoney Money
...... valuePeriod Period
...... valueQuantity Quantity
...... valueRange Range
...... valueRatio Ratio
...... valueReference Reference(Any)
...... valueSampledData SampledData
...... valueSignature Signature
...... valueTiming Timing
...... valueContactDetail ContactDetail
...... valueContributor Contributor
...... valueDataRequirement DataRequirement
...... valueExpression Expression
...... valueParameterDefinition ParameterDefinition
...... valueRelatedArtifact RelatedArtifact
...... valueTriggerDefinition TriggerDefinition
...... valueUsageContext UsageContext
...... valueDosage Dosage
...... valueMeta Meta
.... extension:parameter 1..* Extension The parameter details for the service being requested
Constraints: ext-1
..... id 0..1 string Unique id for inter-element referencing
..... Slices for extension 2..* Extension Extension
Slice: Unordered, Closed by value:url
Constraints: ext-1
...... extension:code 1..1 Extension The detail of the order being requested
Constraints: ext-1
....... id 0..1 string Unique id for inter-element referencing
....... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Constraints: ext-1
....... url 1..1 uri "code"
....... value[x] 0..1 CodeableConcept The detail of the order being requested
Binding: R5_servicerequest_orderdetail_parameter_code_for_R4 (0.0.1-snapshot-2) (example): Codes for order detail parameters.
...... extension:value[x] 1..1 Extension The value for the order detail
Constraints: ext-1
....... id 0..1 string Unique id for inter-element referencing
....... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Constraints: ext-1
....... url 1..1 uri "value[x]"
....... value[x] 0..1 The value for the order detail
........ valueQuantity Quantity
........ valueRatio Ratio
........ valueRange Range
........ valueBoolean boolean
........ valueCodeableConcept CodeableConcept
........ valueString string
........ valuePeriod Period
..... url 1..1 uri "parameter"
..... value[x] 0..1 Value of extension
...... valueBase64Binary base64Binary
...... valueBoolean boolean
...... valueCanonical canonical(Any)
...... valueCode code
...... valueDate date
...... valueDateTime dateTime
...... valueDecimal decimal
...... valueId id
...... valueInstant instant
...... valueInteger integer
...... valueMarkdown markdown
...... valueOid oid
...... valuePositiveInt positiveInt
...... valueString string
...... valueTime time
...... valueUnsignedInt unsignedInt
...... valueUri uri
...... valueUrl url
...... valueUuid uuid
...... valueAddress Address
...... valueAge Age
...... valueAnnotation Annotation
...... valueAttachment Attachment
...... valueCodeableConcept CodeableConcept
...... valueCoding Coding
...... valueContactPoint ContactPoint
...... valueCount Count
...... valueDistance Distance
...... valueDuration Duration
...... valueHumanName HumanName
...... valueIdentifier Identifier
...... valueMoney Money
...... valuePeriod Period
...... valueQuantity Quantity
...... valueRange Range
...... valueRatio Ratio
...... valueReference Reference(Any)
...... valueSampledData SampledData
...... valueSignature Signature
...... valueTiming Timing
...... valueContactDetail ContactDetail
...... valueContributor Contributor
...... valueDataRequirement DataRequirement
...... valueExpression Expression
...... valueParameterDefinition ParameterDefinition
...... valueRelatedArtifact RelatedArtifact
...... valueTriggerDefinition TriggerDefinition
...... valueUsageContext UsageContext
...... valueDosage Dosage
...... valueMeta Meta
... url 1..1 uri "http://hl7.org/fhir/5.0/StructureDefinition/extension-ServiceRequest.orderDetail"
.... valueBase64Binary base64Binary
.... valueBoolean boolean
.... valueCanonical canonical(Any)
.... valueCode code
.... valueDate date
.... valueDateTime dateTime
.... valueDecimal decimal
.... valueId id
.... valueInstant instant
.... valueInteger integer
.... valueMarkdown markdown
.... valueOid oid
.... valuePositiveInt positiveInt
.... valueString string
.... valueTime time
.... valueUnsignedInt unsignedInt
.... valueUri uri
.... valueUrl url
.... valueUuid uuid
.... valueAddress Address
.... valueAge Age
.... valueAnnotation Annotation
.... valueAttachment Attachment
.... valueCodeableConcept CodeableConcept
.... valueCoding Coding
.... valueContactPoint ContactPoint
.... valueCount Count
.... valueDistance Distance
.... valueDuration Duration
.... valueHumanName HumanName
.... valueIdentifier Identifier
.... valueMoney Money
.... valuePeriod Period
.... valueQuantity Quantity
.... valueRange Range
.... valueRatio Ratio
.... valueReference Reference(Any)
.... valueSampledData SampledData
.... valueSignature Signature
.... valueTiming Timing
.... valueContactDetail ContactDetail
.... valueContributor Contributor
.... valueDataRequirement DataRequirement
.... valueExpression Expression
.... valueParameterDefinition ParameterDefinition
.... valueRelatedArtifact RelatedArtifact
.... valueTriggerDefinition TriggerDefinition
.... valueUsageContext UsageContext
.... valueDosage Dosage
.... valueMeta Meta

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type base64Binary, boolean, canonical, code, date, dateTime, decimal, id, instant, integer, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, Reference, SampledData, Signature, Timing, ContactDetail, Contributor, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Dosage, Meta: This cross-version extension represents ServiceRequest.orderDetail from http://hl7.org/fhir/StructureDefinition/ServiceRequest|5.0.0 for use in FHIR R4.

Maturity: 0

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension(4.0.1) Additional order information
... Slices for extension 1..* Extension Extension
Slice: Unordered, Closed by value:url
.... extension:parameterFocus 0..1 Extension The context of the order details by reference
..... Slices for extension 0..* Extension Extension
Slice: Unordered, Closed by value:url
...... extension:concept 0..1 Extension Reference to a concept (by class)
....... url 1..1 uri "concept"
....... value[x] 0..1 CodeableConcept Reference to a concept (by class)
...... extension:reference 0..1 Extension Reference to a resource (by instance)
....... url 1..1 uri "reference"
....... value[x] 0..1 Reference() Reference to a resource (by instance)
...... extension:_datatype 0..1 (Complex) Data type name for ServiceRequest.orderDetail.parameterFocus from FHIR R5
URL: http://hl7.org/fhir/StructureDefinition/_datatype
....... value[x] 1..1 string Value of extension
Fixed Value: CodeableReference
..... url 1..1 uri "parameterFocus"
.... extension:parameter 1..* Extension The parameter details for the service being requested
..... Slices for extension 2..* Extension Extension
Slice: Unordered, Closed by value:url
...... extension:code 1..1 Extension The detail of the order being requested
....... url 1..1 uri "code"
....... value[x] 0..1 CodeableConcept The detail of the order being requested
Binding: R5_servicerequest_orderdetail_parameter_code_for_R4 (0.0.1-snapshot-2) (example): Codes for order detail parameters.
...... extension:value[x] 1..1 Extension The value for the order detail
....... url 1..1 uri "value[x]"
....... value[x] 0..1 The value for the order detail
........ valueQuantity Quantity
........ valueRatio Ratio
........ valueRange Range
........ valueBoolean boolean
........ valueCodeableConcept CodeableConcept
........ valueString string
........ valuePeriod Period
..... url 1..1 uri "parameter"
... url 1..1 uri "http://hl7.org/fhir/5.0/StructureDefinition/extension-ServiceRequest.orderDetail"

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension(4.0.1) Additional order information
Constraints: ext-1
... id 0..1 string Unique id for inter-element referencing
... Slices for extension 1..* Extension Extension
Slice: Unordered, Closed by value:url
Constraints: ext-1
.... extension:parameterFocus 0..1 Extension The context of the order details by reference
Constraints: ext-1
..... id 0..1 string Unique id for inter-element referencing
..... Slices for extension 0..* Extension Extension
Slice: Unordered, Closed by value:url
Constraints: ext-1
...... extension:concept 0..1 Extension Reference to a concept (by class)
Constraints: ext-1
....... id 0..1 string Unique id for inter-element referencing
....... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Constraints: ext-1
....... url 1..1 uri "concept"
....... value[x] 0..1 CodeableConcept Reference to a concept (by class)
...... extension:reference 0..1 Extension Reference to a resource (by instance)
Constraints: ext-1
....... id 0..1 string Unique id for inter-element referencing
....... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Constraints: ext-1
....... url 1..1 uri "reference"
....... value[x] 0..1 Reference() Reference to a resource (by instance)
...... extension:_datatype 0..1 (Complex) Data type name for ServiceRequest.orderDetail.parameterFocus from FHIR R5
URL: http://hl7.org/fhir/StructureDefinition/_datatype
Constraints: ext-1
....... id 0..1 id Unique id for inter-element referencing
....... extension 0..0
....... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/_datatype"
....... value[x] 1..1 string Value of extension
Fixed Value: CodeableReference
..... url 1..1 uri "parameterFocus"
..... value[x] 0..1 Value of extension
...... valueBase64Binary base64Binary
...... valueBoolean boolean
...... valueCanonical canonical(Any)
...... valueCode code
...... valueDate date
...... valueDateTime dateTime
...... valueDecimal decimal
...... valueId id
...... valueInstant instant
...... valueInteger integer
...... valueMarkdown markdown
...... valueOid oid
...... valuePositiveInt positiveInt
...... valueString string
...... valueTime time
...... valueUnsignedInt unsignedInt
...... valueUri uri
...... valueUrl url
...... valueUuid uuid
...... valueAddress Address
...... valueAge Age
...... valueAnnotation Annotation
...... valueAttachment Attachment
...... valueCodeableConcept CodeableConcept
...... valueCoding Coding
...... valueContactPoint ContactPoint
...... valueCount Count
...... valueDistance Distance
...... valueDuration Duration
...... valueHumanName HumanName
...... valueIdentifier Identifier
...... valueMoney Money
...... valuePeriod Period
...... valueQuantity Quantity
...... valueRange Range
...... valueRatio Ratio
...... valueReference Reference(Any)
...... valueSampledData SampledData
...... valueSignature Signature
...... valueTiming Timing
...... valueContactDetail ContactDetail
...... valueContributor Contributor
...... valueDataRequirement DataRequirement
...... valueExpression Expression
...... valueParameterDefinition ParameterDefinition
...... valueRelatedArtifact RelatedArtifact
...... valueTriggerDefinition TriggerDefinition
...... valueUsageContext UsageContext
...... valueDosage Dosage
...... valueMeta Meta
.... extension:parameter 1..* Extension The parameter details for the service being requested
Constraints: ext-1
..... id 0..1 string Unique id for inter-element referencing
..... Slices for extension 2..* Extension Extension
Slice: Unordered, Closed by value:url
Constraints: ext-1
...... extension:code 1..1 Extension The detail of the order being requested
Constraints: ext-1
....... id 0..1 string Unique id for inter-element referencing
....... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Constraints: ext-1
....... url 1..1 uri "code"
....... value[x] 0..1 CodeableConcept The detail of the order being requested
Binding: R5_servicerequest_orderdetail_parameter_code_for_R4 (0.0.1-snapshot-2) (example): Codes for order detail parameters.
...... extension:value[x] 1..1 Extension The value for the order detail
Constraints: ext-1
....... id 0..1 string Unique id for inter-element referencing
....... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Constraints: ext-1
....... url 1..1 uri "value[x]"
....... value[x] 0..1 The value for the order detail
........ valueQuantity Quantity
........ valueRatio Ratio
........ valueRange Range
........ valueBoolean boolean
........ valueCodeableConcept CodeableConcept
........ valueString string
........ valuePeriod Period
..... url 1..1 uri "parameter"
..... value[x] 0..1 Value of extension
...... valueBase64Binary base64Binary
...... valueBoolean boolean
...... valueCanonical canonical(Any)
...... valueCode code
...... valueDate date
...... valueDateTime dateTime
...... valueDecimal decimal
...... valueId id
...... valueInstant instant
...... valueInteger integer
...... valueMarkdown markdown
...... valueOid oid
...... valuePositiveInt positiveInt
...... valueString string
...... valueTime time
...... valueUnsignedInt unsignedInt
...... valueUri uri
...... valueUrl url
...... valueUuid uuid
...... valueAddress Address
...... valueAge Age
...... valueAnnotation Annotation
...... valueAttachment Attachment
...... valueCodeableConcept CodeableConcept
...... valueCoding Coding
...... valueContactPoint ContactPoint
...... valueCount Count
...... valueDistance Distance
...... valueDuration Duration
...... valueHumanName HumanName
...... valueIdentifier Identifier
...... valueMoney Money
...... valuePeriod Period
...... valueQuantity Quantity
...... valueRange Range
...... valueRatio Ratio
...... valueReference Reference(Any)
...... valueSampledData SampledData
...... valueSignature Signature
...... valueTiming Timing
...... valueContactDetail ContactDetail
...... valueContributor Contributor
...... valueDataRequirement DataRequirement
...... valueExpression Expression
...... valueParameterDefinition ParameterDefinition
...... valueRelatedArtifact RelatedArtifact
...... valueTriggerDefinition TriggerDefinition
...... valueUsageContext UsageContext
...... valueDosage Dosage
...... valueMeta Meta
... url 1..1 uri "http://hl7.org/fhir/5.0/StructureDefinition/extension-ServiceRequest.orderDetail"
.... valueBase64Binary base64Binary
.... valueBoolean boolean
.... valueCanonical canonical(Any)
.... valueCode code
.... valueDate date
.... valueDateTime dateTime
.... valueDecimal decimal
.... valueId id
.... valueInstant instant
.... valueInteger integer
.... valueMarkdown markdown
.... valueOid oid
.... valuePositiveInt positiveInt
.... valueString string
.... valueTime time
.... valueUnsignedInt unsignedInt
.... valueUri uri
.... valueUrl url
.... valueUuid uuid
.... valueAddress Address
.... valueAge Age
.... valueAnnotation Annotation
.... valueAttachment Attachment
.... valueCodeableConcept CodeableConcept
.... valueCoding Coding
.... valueContactPoint ContactPoint
.... valueCount Count
.... valueDistance Distance
.... valueDuration Duration
.... valueHumanName HumanName
.... valueIdentifier Identifier
.... valueMoney Money
.... valuePeriod Period
.... valueQuantity Quantity
.... valueRange Range
.... valueRatio Ratio
.... valueReference Reference(Any)
.... valueSampledData SampledData
.... valueSignature Signature
.... valueTiming Timing
.... valueContactDetail ContactDetail
.... valueContributor Contributor
.... valueDataRequirement DataRequirement
.... valueExpression Expression
.... valueParameterDefinition ParameterDefinition
.... valueRelatedArtifact RelatedArtifact
.... valueTriggerDefinition TriggerDefinition
.... valueUsageContext UsageContext
.... valueDosage Dosage
.... valueMeta Meta

doco Documentation for this format

 

Other representations of profile: CSV, Excel, Schematron

Terminology Bindings

PathConformanceValueSetURI
Extension.extension:parameter.extension:code.value[x]exampleR5_servicerequest_orderdetail_parameter_code_for_R4
http://hl7.org/fhir/5.0/ValueSet/R5-servicerequest-orderdetail-parameter-code-for-R4|0.0.1-snapshot-2
From this IG

Constraints

IdGradePath(s)DetailsRequirements
ele-1errorExtension, Extension.extension, Extension.extension:parameterFocus, Extension.extension:parameterFocus.extension, Extension.extension:parameterFocus.extension:concept, Extension.extension:parameterFocus.extension:concept.extension, Extension.extension:parameterFocus.extension:concept.value[x], Extension.extension:parameterFocus.extension:reference, Extension.extension:parameterFocus.extension:reference.extension, Extension.extension:parameterFocus.extension:reference.value[x], Extension.extension:parameterFocus.extension:_datatype, Extension.extension:parameterFocus.extension:_datatype.value[x], Extension.extension:parameterFocus.value[x], Extension.extension:parameter, Extension.extension:parameter.extension, Extension.extension:parameter.extension:code, Extension.extension:parameter.extension:code.extension, Extension.extension:parameter.extension:code.value[x], Extension.extension:parameter.extension:value[x], Extension.extension:parameter.extension:value[x].extension, Extension.extension:parameter.extension:value[x].value[x], Extension.extension:parameter.value[x], Extension.value[x]All FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1errorExtension, Extension.extension, Extension.extension:parameterFocus, Extension.extension:parameterFocus.extension, Extension.extension:parameterFocus.extension:concept, Extension.extension:parameterFocus.extension:concept.extension, Extension.extension:parameterFocus.extension:reference, Extension.extension:parameterFocus.extension:reference.extension, Extension.extension:parameterFocus.extension:_datatype, Extension.extension:parameter, Extension.extension:parameter.extension, Extension.extension:parameter.extension:code, Extension.extension:parameter.extension:code.extension, Extension.extension:parameter.extension:value[x], Extension.extension:parameter.extension:value[x].extensionMust have either extensions or value[x], not both
: extension.exists() != value.exists()