minimal Common Oncology Data Elements (mCODE) Implementation Guide
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This page is part of the HL7 FHIR Implementation Guide: minimal Common Oncology Data Elements (mCODE) Release 1 - US Realm | STU1 (v2.1.0: STU 2) based on FHIR R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

Extension: RadiotherapyModalityAndTechnique - Detailed Descriptions

Active as of 2023-03-21

Definitions for the mcode-radiotherapy-modality-and-technique extension.

Guidance on how to interpret the contents of this table can be found here.

1. Extension
Definition

Extension capturing modality and technique of a given radiotherapy procedure. The allowed combinations of modality and technique are constrained by invariants, one per modality.

Optional Extension Element - found in all resources.

InvariantsDefined on this element
TechniquesForCarbonIonBeamModality: Allowed Techniques for Carbon Ion Beam Modality (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '1156505006') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists( ( coding.code = '1156529004' or coding.code = '1156528007' or coding.code='1204242009')))
TechniquesForElectronBeamModality: Allowed Techniques for Electron Beam Modality (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '45643008') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists( ( coding.code = '1162782007' or coding.code = '1156526006' or coding.code = '168524008')))
TechniquesForHighDoseRate: Allowed Techniques for High Dose Rate (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '394902000') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists(coding.system = 'http://snomed.info/sct' and ( coding.code = '384692006' or coding.code = '1156382005' or coding.code = '113120007' or coding.code = '1156383000' or coding.code = '384691004' or coding.code = '168524008' or coding.code = '14473006')))
TechniquesForHighDoseRateElectronic: Allowed Techniques for High Dose Rate Electronic (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '438629002') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists(coding.system = 'http://snomed.info/sct' and ( coding.code = '384692006' or coding.code = '1156382005' or coding.code = '113120007' or coding.code = '384691004' or coding.code = '168524008' or coding.code = '14473006')))
TechniquesForInternalRadiotherapyPermanentSeeds: Allowed Techniques for Internal Radiotherapy - Permanent Seeds (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '169359004') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists( ( coding.code = '113120007')))
TechniquesForLowDoseRateUsingTempRadSource: Allowed Techniques for Low Dose Rate Using Temp Radiation Source (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '1156708005') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists(coding.system = 'http://snomed.info/sct' and ( coding.code = '384692006' or coding.code = '113120007' or coding.code = '14473006')))
TechniquesForNeutronBeamModality: Allowed Techniques for Neutron Beam Modality (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '80347004') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists( ( coding.code = '169317000' or coding.code = '1162782007')))
TechniquesForPhotonBeamModality: Allowed Techniques for Photon Beam Modality (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '1156506007') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists(( coding.code = '441799006' or coding.code = '1156530009' or coding.code = '1162782007' or coding.code = '1156526006' or coding.code = '168524008' or coding.code = '1156530009')))
TechniquesForProtonBeamModality: Allowed Techniques for Proton Beam Modality (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '10611004') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists( ( coding.code = '1156529004' or coding.code = '1156528007' or coding.code = '1204242009')))
TechniquesForPulsedDoseRate: Allowed Techniques for Pulsed Dose Rate (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '1156384006') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists(coding.system = 'http://snomed.info/sct' and ( coding.code = '384692006' or coding.code = '113120007')))
TechniquesForRadioPharmaceutical: Allowed Techniques for Radiopharmaceutical (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists( coding.code = '440252007') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists( ( coding.code = '16560241000119104' or coding.code = '1156383000' or coding.code = '384692006' or coding.code = '113120007')))
2. Extension.extension
Control10..*
3. Extension.extension:modality
SliceNamemodality
Control1..1
TypeExtension(RadiotherapyModality) (Extension Type: CodeableConcept)
Must Supporttrue
4. Extension.extension:modality.value[x]
Control0..?
BindingThe codes SHALL be taken from Radiotherapy Modality Value Set
[x] NoteSee Choice of Data Types for further information about how to use [x]
5. Extension.extension:technique
SliceNametechnique
Control0..*
TypeExtension(RadiotherapyTechnique) (Extension Type: CodeableConcept)
Must Supporttrue
6. Extension.extension:technique.value[x]
Control0..?
BindingThe codes SHALL be taken from Radiotherapy Technique Value Set
[x] NoteSee Choice of Data Types for further information about how to use [x]
7. Extension.url
Fixed Valuehttp://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique
8. Extension.value[x]
Control0..01
[x] NoteSee Choice of Data Types for further information about how to use [x]

Guidance on how to interpret the contents of this table can be found here.

1. Extension
Definition

Extension capturing modality and technique of a given radiotherapy procedure. The allowed combinations of modality and technique are constrained by invariants, one per modality.

Optional Extension Element - found in all resources.

Control0..* This element is affected by the following invariants: ele-1
InvariantsDefined on this element
TechniquesForCarbonIonBeamModality: Allowed Techniques for Carbon Ion Beam Modality (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '1156505006') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists( ( coding.code = '1156529004' or coding.code = '1156528007' or coding.code='1204242009')))
TechniquesForElectronBeamModality: Allowed Techniques for Electron Beam Modality (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '45643008') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists( ( coding.code = '1162782007' or coding.code = '1156526006' or coding.code = '168524008')))
TechniquesForHighDoseRate: Allowed Techniques for High Dose Rate (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '394902000') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists(coding.system = 'http://snomed.info/sct' and ( coding.code = '384692006' or coding.code = '1156382005' or coding.code = '113120007' or coding.code = '1156383000' or coding.code = '384691004' or coding.code = '168524008' or coding.code = '14473006')))
TechniquesForHighDoseRateElectronic: Allowed Techniques for High Dose Rate Electronic (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '438629002') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists(coding.system = 'http://snomed.info/sct' and ( coding.code = '384692006' or coding.code = '1156382005' or coding.code = '113120007' or coding.code = '384691004' or coding.code = '168524008' or coding.code = '14473006')))
TechniquesForInternalRadiotherapyPermanentSeeds: Allowed Techniques for Internal Radiotherapy - Permanent Seeds (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '169359004') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists( ( coding.code = '113120007')))
TechniquesForLowDoseRateUsingTempRadSource: Allowed Techniques for Low Dose Rate Using Temp Radiation Source (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '1156708005') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists(coding.system = 'http://snomed.info/sct' and ( coding.code = '384692006' or coding.code = '113120007' or coding.code = '14473006')))
TechniquesForNeutronBeamModality: Allowed Techniques for Neutron Beam Modality (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '80347004') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists( ( coding.code = '169317000' or coding.code = '1162782007')))
TechniquesForPhotonBeamModality: Allowed Techniques for Photon Beam Modality (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '1156506007') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists(( coding.code = '441799006' or coding.code = '1156530009' or coding.code = '1162782007' or coding.code = '1156526006' or coding.code = '168524008' or coding.code = '1156530009')))
TechniquesForProtonBeamModality: Allowed Techniques for Proton Beam Modality (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '10611004') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists( ( coding.code = '1156529004' or coding.code = '1156528007' or coding.code = '1204242009')))
TechniquesForPulsedDoseRate: Allowed Techniques for Pulsed Dose Rate (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists(coding.system = 'http://snomed.info/sct' and coding.code = '1156384006') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists(coding.system = 'http://snomed.info/sct' and ( coding.code = '384692006' or coding.code = '113120007')))
TechniquesForRadioPharmaceutical: Allowed Techniques for Radiopharmaceutical (: extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists( coding.code = '440252007') implies extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists( ( coding.code = '16560241000119104' or coding.code = '1156383000' or coding.code = '384692006' or coding.code = '113120007')))
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
2. Extension.extension
Definition

An Extension

May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

Control10..*
TypeExtension
Summaryfalse
Alternate Namesextensions, user content
Comments

There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
SlicingThis element introduces a set of slices on Extension.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • value @ url
3. Extension.extension:modality
SliceNamemodality
Definition

Extension capturing a modality of external beam or brachytherapy radiation procedures.

Control1..1
TypeExtension(RadiotherapyModality) (Extension Type: CodeableConcept)
Must Supporttrue
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
4. Extension.extension:modality.extension
Definition

An Extension

May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

Control0..0*
TypeExtension
Summaryfalse
Alternate Namesextensions, user content
Comments

There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
SlicingThis element introduces a set of slices on Extension.extension.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • value @ url
5. Extension.extension:modality.url
Definition

Source of the definition for the extension code - a logical name or a URL.

Control1..1
Typeuri
XML RepresentationIn the XML format, this property is represented as an attribute.
Summaryfalse
Comments

The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

Fixed Valuehttp://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality
6. Extension.extension:modality.value[x]
Definition

Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

Control10..1
BindingThe codes SHALL be taken from Radiotherapy Modality Value SetFor codes, see (unbound)
TypeChoice of: CodeableConcept, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
[x] NoteSee Choice of Data Types for further information about how to use [x]
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
7. Extension.extension:technique
SliceNametechnique
Definition

Extension capturing a technique of external beam or brachytherapy radiation procedures.

Control0..*
TypeExtension(RadiotherapyTechnique) (Extension Type: CodeableConcept)
Must Supporttrue
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
8. Extension.extension:technique.extension
Definition

An Extension

May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

Control0..0*
TypeExtension
Summaryfalse
Alternate Namesextensions, user content
Comments

There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
SlicingThis element introduces a set of slices on Extension.extension.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • value @ url
9. Extension.extension:technique.url
Definition

Source of the definition for the extension code - a logical name or a URL.

Control1..1
Typeuri
XML RepresentationIn the XML format, this property is represented as an attribute.
Summaryfalse
Comments

The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

Fixed Valuehttp://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique
10. Extension.extension:technique.value[x]
Definition

Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

Control10..1
BindingThe codes SHALL be taken from Radiotherapy Technique Value SetFor codes, see (unbound)
TypeChoice of: CodeableConcept, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
[x] NoteSee Choice of Data Types for further information about how to use [x]
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
11. Extension.url
Definition

Source of the definition for the extension code - a logical name or a URL.

Control1..1
Typeuri
XML RepresentationIn the XML format, this property is represented as an attribute.
Summaryfalse
Comments

The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

Fixed Valuehttp://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique
12. Extension.value[x]
Definition

Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

Control0..01
TypeChoice of: 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
[x] NoteSee Choice of Data Types for further information about how to use [x]
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))

Guidance on how to interpret the contents of this table can be found here.

1. Extension
Definition

Extension capturing modality and technique of a given radiotherapy procedure. The allowed combinations of modality and technique are constrained by invariants, one per modality.

Control0..* This element is affected by the following invariants: ele-1
2. Extension.id
Definition

Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

Control0..1
Typestring
XML RepresentationIn the XML format, this property is represented as an attribute.
Summaryfalse
3. Extension.extension
Definition

An Extension

Control1..*
TypeExtension
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
SlicingThis element introduces a set of slices on Extension.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • value @ url
4. Extension.extension:modality
SliceNamemodality
Definition

Extension capturing a modality of external beam or brachytherapy radiation procedures.

Control1..1
TypeExtension(RadiotherapyModality) (Extension Type: CodeableConcept)
Must Supporttrue
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
5. Extension.extension:modality.id
Definition

Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

Control0..1
Typestring
XML RepresentationIn the XML format, this property is represented as an attribute.
Summaryfalse
6. Extension.extension:modality.extension
Definition

An Extension

Control0..0
TypeExtension
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
SlicingThis element introduces a set of slices on Extension.extension.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • value @ url
7. Extension.extension:modality.url
Definition

Source of the definition for the extension code - a logical name or a URL.

Control1..1
Typeuri
XML RepresentationIn the XML format, this property is represented as an attribute.
Summaryfalse
Comments

The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

Fixed Valuehttp://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality
8. Extension.extension:modality.value[x]
Definition

Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

Control1..1
BindingThe codes SHALL be taken from Radiotherapy Modality Value Set
TypeCodeableConcept
[x] NoteSee Choice of Data Types for further information about how to use [x]
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
9. Extension.extension:technique
SliceNametechnique
Definition

Extension capturing a technique of external beam or brachytherapy radiation procedures.

Control0..*
TypeExtension(RadiotherapyTechnique) (Extension Type: CodeableConcept)
Must Supporttrue
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
10. Extension.extension:technique.id
Definition

Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

Control0..1
Typestring
XML RepresentationIn the XML format, this property is represented as an attribute.
Summaryfalse
11. Extension.extension:technique.extension
Definition

An Extension

Control0..0
TypeExtension
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
SlicingThis element introduces a set of slices on Extension.extension.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • value @ url
12. Extension.extension:technique.url
Definition

Source of the definition for the extension code - a logical name or a URL.

Control1..1
Typeuri
XML RepresentationIn the XML format, this property is represented as an attribute.
Summaryfalse
Comments

The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

Fixed Valuehttp://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique
13. Extension.extension:technique.value[x]
Definition

Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

Control1..1
BindingThe codes SHALL be taken from Radiotherapy Technique Value Set
TypeCodeableConcept
[x] NoteSee Choice of Data Types for further information about how to use [x]
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
14. Extension.url
Definition

Source of the definition for the extension code - a logical name or a URL.

Control1..1
Typeuri
XML RepresentationIn the XML format, this property is represented as an attribute.
Summaryfalse
Comments

The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

Fixed Valuehttp://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique
15. Extension.value[x]
Definition

Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

Control0..0
TypeChoice of: 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
[x] NoteSee Choice of Data Types for further information about how to use [x]
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))