CodeX Radiation Therapy, published by HL7 International / Cross-Group Projects. This guide is not an authorized publication; it is the continuous build for version 2.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/codex-radiation-therapy/ and changes regularly. See the Directory of published versions

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Extension: Intrafraction Verification

Verification of the patient or target position during a treatment fraction.

Context of Use

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

• Element ID: Procedure
• Element ID: ServiceRequest
• Element ID: ActivityDefinition

Usage info

Usages:

• Use this Extension: Radiotherapy Course Prescription, Radiotherapy Course Summary, Radiotherapy Phase Prescription, Radiotherapy Plan Prescription... Show 6 more, Radiotherapy Planned Course, Radiotherapy Planned Phase, Radiotherapy Treated Fraction, Radiotherapy Treated Phase, Radiotherapy Treated Plan and Radiotherapy Treatment Plan
• Examples for this Extension: Procedure/RadiotherapyCourseSummary-XRTS-01-22B-01-Prostate-1P-1V-1Fx, Procedure/RadiotherapyCourseSummary-XRTS-01-22B-01-Prostate-1P-1V, Procedure/RadiotherapyTreatedPhase-XRTS-01-22B-01-01-Primary-1Fx and Procedure/RadiotherapyTreatedPhase-XRTS-01-22B-01-01-Primary

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description Differentials, Snapshots, and other representations.

• Differential Table
• Snapshot Table
• Statistics/References
• All

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension	C	0..*	Extension	Intrafraction Verification Constraints: IntrafractionVerificationQualifierAllowed
extension		1..*	Extension	Extension
Slices for extension				Content/Rules for all slices
extension:procedure		1..1	Extension	Extension
extension		0..0		Extension
url		1..1	uri	"procedure"
value[x]		1..1	CodeableConcept	Value of extension Binding: Intrafraction Verification Procedure Value Set (extensible)
extension:qualifier		0..1	Extension	Extension
extension		0..0		Extension
url		1..1	uri	"qualifier"
value[x]		1..1	CodeableConcept	Value of extension Binding: Intrafraction Verification Procedure Qualifier Value Set (extensible)
url		1..1	uri	"http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-intrafraction-verification"
value[x]		0..0		Value of extension
Documentation for this format

Terminology Bindings (Differential)

Path	Status	Usage	ValueSet	Version	Source
Extension.extension:procedure.​value[x]	Base	extensible	Intrafraction Verification Procedure Value Set	📦2.0.0	This IG
Extension.extension:qualifier.​value[x]	Base	extensible	Intrafraction Verification Procedure Qualifier Value Set	📦2.0.0	This IG

Constraints

Id	Grade	Path(s)	Description	Expression
IntrafractionVerificationQualifierAllowed	error	Extension	Qualifier is only allowed for X-Ray procedure.	extension.where(url = 'qualifier').exists() implies (extension.where(url = 'procedure').exists() and extension.where(url = 'procedure').value.exists() and extension.where(url = 'procedure').value.coding.all( (system = 'http://snomed.info/sct') and (code = '168537006') ) )

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension	C	0..*	Extension	Intrafraction Verification Constraints: IntrafractionVerificationQualifierAllowed
id		0..1	string	Unique id for inter-element referencing
Slices for extension		1..*	Extension	Extension Slice: Unordered, Open by value:url
extension:procedure		1..1	Extension	Extension
id		0..1	string	Unique id for inter-element referencing
extension		0..0		Extension Slice: Unordered, Open by value:url
url		1..1	uri	"procedure"
value[x]		1..1	CodeableConcept	Value of extension Binding: Intrafraction Verification Procedure Value Set (extensible)
extension:qualifier		0..1	Extension	Extension
id		0..1	string	Unique id for inter-element referencing
extension		0..0		Extension Slice: Unordered, Open by value:url
url		1..1	uri	"qualifier"
value[x]		1..1	CodeableConcept	Value of extension Binding: Intrafraction Verification Procedure Qualifier Value Set (extensible)
url		1..1	uri	"http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-intrafraction-verification"
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Extension.extension:procedure.​value[x]	Base	extensible	Intrafraction Verification Procedure Value Set	📦2.0.0	This IG
Extension.extension:qualifier.​value[x]	Base	extensible	Intrafraction Verification Procedure Qualifier Value Set	📦2.0.0	This IG

Constraints

Id	Grade	Path(s)	Description	Expression
IntrafractionVerificationQualifierAllowed	error	Extension	Qualifier is only allowed for X-Ray procedure.	extension.where(url = 'qualifier').exists() implies (extension.where(url = 'procedure').exists() and extension.where(url = 'procedure').value.exists() and extension.where(url = 'procedure').value.coding.all( (system = 'http://snomed.info/sct') and (code = '168537006') ) )
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children	hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both	extension.exists() != value.exists()

Summary

Complex Extension: Verification of the patient or target position during a treatment fraction.

• procedure: CodeableConcept: An Extension
• qualifier: CodeableConcept: An Extension

Differential ViewDifferential View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension	C	0..*	Extension	Intrafraction Verification Constraints: IntrafractionVerificationQualifierAllowed
extension		1..*	Extension	Extension
Slices for extension				Content/Rules for all slices
extension:procedure		1..1	Extension	Extension
extension		0..0		Extension
url		1..1	uri	"procedure"
value[x]		1..1	CodeableConcept	Value of extension Binding: Intrafraction Verification Procedure Value Set (extensible)
extension:qualifier		0..1	Extension	Extension
extension		0..0		Extension
url		1..1	uri	"qualifier"
value[x]		1..1	CodeableConcept	Value of extension Binding: Intrafraction Verification Procedure Qualifier Value Set (extensible)
url		1..1	uri	"http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-intrafraction-verification"
value[x]		0..0		Value of extension
Documentation for this format

Terminology Bindings (Differential)

Path	Status	Usage	ValueSet	Version	Source
Extension.extension:procedure.​value[x]	Base	extensible	Intrafraction Verification Procedure Value Set	📦2.0.0	This IG
Extension.extension:qualifier.​value[x]	Base	extensible	Intrafraction Verification Procedure Qualifier Value Set	📦2.0.0	This IG

Constraints

Id	Grade	Path(s)	Description	Expression
IntrafractionVerificationQualifierAllowed	error	Extension	Qualifier is only allowed for X-Ray procedure.	extension.where(url = 'qualifier').exists() implies (extension.where(url = 'procedure').exists() and extension.where(url = 'procedure').value.exists() and extension.where(url = 'procedure').value.coding.all( (system = 'http://snomed.info/sct') and (code = '168537006') ) )

Snapshot View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension	C	0..*	Extension	Intrafraction Verification Constraints: IntrafractionVerificationQualifierAllowed
id		0..1	string	Unique id for inter-element referencing
Slices for extension		1..*	Extension	Extension Slice: Unordered, Open by value:url
extension:procedure		1..1	Extension	Extension
id		0..1	string	Unique id for inter-element referencing
extension		0..0		Extension Slice: Unordered, Open by value:url
url		1..1	uri	"procedure"
value[x]		1..1	CodeableConcept	Value of extension Binding: Intrafraction Verification Procedure Value Set (extensible)
extension:qualifier		0..1	Extension	Extension
id		0..1	string	Unique id for inter-element referencing
extension		0..0		Extension Slice: Unordered, Open by value:url
url		1..1	uri	"qualifier"
value[x]		1..1	CodeableConcept	Value of extension Binding: Intrafraction Verification Procedure Qualifier Value Set (extensible)
url		1..1	uri	"http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-intrafraction-verification"
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Extension.extension:procedure.​value[x]	Base	extensible	Intrafraction Verification Procedure Value Set	📦2.0.0	This IG
Extension.extension:qualifier.​value[x]	Base	extensible	Intrafraction Verification Procedure Qualifier Value Set	📦2.0.0	This IG

Constraints

Id	Grade	Path(s)	Description	Expression
IntrafractionVerificationQualifierAllowed	error	Extension	Qualifier is only allowed for X-Ray procedure.	extension.where(url = 'qualifier').exists() implies (extension.where(url = 'procedure').exists() and extension.where(url = 'procedure').value.exists() and extension.where(url = 'procedure').value.coding.all( (system = 'http://snomed.info/sct') and (code = '168537006') ) )
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children	hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both	extension.exists() != value.exists()

Summary

Complex Extension: Verification of the patient or target position during a treatment fraction.

• procedure: CodeableConcept: An Extension
• qualifier: CodeableConcept: An Extension

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