CodeX Radiation Therapy
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This page is part of the CodeX™ Radiation Therapy (v2.0.0-ballot: STU 2 Ballot 1) based on FHIR (HL7® FHIR® Standard) R4. The current version which supersedes this version is 1.0.0. For a full list of available versions, see the Directory of published versions

Extension: Intrafraction Verification

Official URL: http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-intrafraction-verification Version: 2.0.0-ballot
Active as of 2024-04-09 Computable Name: IntrafractionVerification
Other Identifiers: OID:2.16.840.1.113883.4.642.40.14.42.3

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

This extension is used to capture the type of intrafraction verificiation used during treatment.

Intrafraction Verification Method Procedure Code Qualifier Code
X-ray - one source SCT#168537006 Plain radiography (procedure) SCT#50607009 “Singular (qualifier value) or absent
X-ray - multiple sources SCT#168537006 Plain radiography (procedure) SCT#255204007 “Multiple (qualifier value)
Ultrasound SCT#16310003 Ultrasonography (procedure) None
CT SCT#77477000 Computed tomography (procedure) None
MRI SCT#113091000 Magnetic resonance imaging (procedure) None
Fiducial Markers SnomedRequestedCS#USCRS-35604 Imaging guidance using fiducial markers (procedure) None
Electromagnetic Transponder SnomedRequestedCS#USCRS-35606 Radiotherapy using electromagnetic transponder guidance (procedure) None
Surface Guided SnomedRequestedCS#1297350006 “Surface guided radiation therapy (procedure)” None

Conformance

One of the above types SHOULD be used. Use of other metrics will generate a warning.

Usage info

Usage:

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

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

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

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension C 0..* Extension Intrafraction Verification
IntrafractionVerificationQualifierAllowed: Qualifier is only allowed for X-Ray procedure.
... extension 1..* Extension Extension
... extension:procedure 1..1 Extension Extension
.... extension 0..0
.... 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
.... url 1..1 uri "qualifier"
.... value[x] 1..1 CodeableConcept Value of extension
Binding: Intrafraction Verification Procedure Qualifier Value Set (extensible)
... value[x] 0..0

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension C 0..* Extension Intrafraction Verification
IntrafractionVerificationQualifierAllowed: Qualifier is only allowed for X-Ray procedure.
... 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
.... url 1..1 uri "procedure"
.... value[x] 1..1 CodeableConcept Value of extension
Binding: Intrafraction Verification Procedure Value Set (extensible)
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..0
.... 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"

doco Documentation for this format

This structure is derived from Extension

Summary

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

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

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension C 0..* Extension Intrafraction Verification
IntrafractionVerificationQualifierAllowed: Qualifier is only allowed for X-Ray procedure.
... extension 1..* Extension Extension
... extension:procedure 1..1 Extension Extension
.... extension 0..0
.... 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
.... url 1..1 uri "qualifier"
.... value[x] 1..1 CodeableConcept Value of extension
Binding: Intrafraction Verification Procedure Qualifier Value Set (extensible)
... value[x] 0..0

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension C 0..* Extension Intrafraction Verification
IntrafractionVerificationQualifierAllowed: Qualifier is only allowed for X-Ray procedure.
... 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
.... url 1..1 uri "procedure"
.... value[x] 1..1 CodeableConcept Value of extension
Binding: Intrafraction Verification Procedure Value Set (extensible)
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..0
.... 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"

doco Documentation for this format

 

Other representations of profile: CSV, Excel, Schematron

Terminology Bindings

PathConformanceValueSetURI
Extension.extension:procedure.value[x]extensibleIntrafractionVerificationProcedureVS
http://hl7.org/fhir/us/codex-radiation-therapy/ValueSet/codexrt-intrafraction-verification-procedure-vs
from this IG
Extension.extension:qualifier.value[x]extensibleIntrafractionVerificationQualifierVS
http://hl7.org/fhir/us/codex-radiation-therapy/ValueSet/codexrt-intrafraction-verification-qualifier-vs
from this IG

Constraints

IdGradePath(s)DetailsRequirements
IntrafractionVerificationQualifierAllowederrorExtensionQualifier 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') ) )