Name Flags Card. Type Description & Constraints doco
. . Extension 0 .. * Extension Treatment Mode
. . . extension:radiotherapyType 0..1 Extension The type of radiation specifying the teletherapy type or brachytherapy. Bind to modality encoding by AAPM/ASTRO when available.
. . . . extension 0 .. 0
. . . . url 1 .. 1 uri "radiotherapyType"
. . . . value[x] 0 .. 1 (Slice Definition) Value of extension
Slice: Unordered, Open by type:$this
. . . . valueCodeableConcept 0..1 CodeableConcept Value of extension
Binding: Type of Radiotherapy (example)
. . . extension:technique 0..* Extension The treatment technique, such as VMAT. Bind to modality encoding by AAPM/ASTRO when available.
. . . . extension 0 .. 0
. . . . url 1 .. 1 uri "technique"
. . . . value[x] 0 .. 1 (Slice Definition) Value of extension
Slice: Unordered, Open by type:$this
. . . . valueCodeableConcept 0..1 CodeableConcept Value of extension
Binding: http://varian.com/fhir/CodeSystem/aria-radiotherapyPrescriptionTechnique (example)
. . . extension:energy 0..* Extension The radiation energy as decimal in MV. Can alternatively be represented as string or CodeableConcept.
. . . . extension 0 .. 0
. . . . url 1 .. 1 uri "energy"
. . . . value[x] 0 .. 1 (Slice Definition) Value of extension
Slice: Unordered, Open by type:$this
. . . . . valueCodeableConcept CodeableConcept
. . . . . valueQuantity Quantity(SimpleQuantity)
. . . . valueQuantity 0..1 SimpleQuantity A fixed quantity (no comparator)
Required Pattern: At least the following
. . . . . unit 1..1 string Unit representation
Fixed Value: megavolt
. . . . . system 1..1 uri System that defines coded unit form
Fixed Value: http://unitsofmeasure.org
. . . . . code 1..1 code Coded form of the unit
Fixed Value: MV
. . . url 1 .. 1 uri "http://varian.com/fhir/v1/StructureDefinition/radiotherapyTreatmentMode"
. . . value[x] 0 .. 0

doco Documentation for this format
<status value="draft" /> <date value="2021-02-07T22:02:54+01:00" /> <publisher value="Varian Medical Systems" /> <contact> <name value="Varian Medical Systems" /> <telecom> <system value="url" /> <value value="http://varian.com" /> </telecom> <telecom> <system value="email" /> <value value="martin.vonsiebenthal@varian.com" /> </telecom> </contact> <description value="A Treatment Mode, which defines parameters how the treatment is delivered such as treatment technique or energy." /> <fhirVersion value="4.0.1" /> <mapping> <identity value="rim" /> <uri value="http://hl7.org/v3" /> <name value="RIM Mapping" /> </mapping> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="Element" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <snapshot> <element id="Extension"> <path value="Extension" /> <short value="Treatment Mode" /> <definition value="An Extension" /> <min value="0" /> <max value="*" /> <base> <path value="Extension" /> <min value="0" /> <max value="*" /> </base> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <constraint> <key value="ext-1" /> <severity value="error" /> <human value="Must have either extensions or value[x], not both" /> <expression value="extension.exists() != value.exists()" /> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" /> <source value="http://hl7.org/fhir/StructureDefinition/Extension" /> </constraint> <isModifier value="false" /> </element> <element id="Extension.id"> <path value="Extension.id" /> <representation value="xmlAttr" /> <short value="Unique id for inter-element referencing" /> <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." /> <min value="0" /> <max value="1" /> <base> <path value="Element.id" /> <min value="0" /> <max value="1" /> </base> <type> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"> <valueUrl value="string" /> </extension> <code value="http://hl7.org/fhirpath/System.String" /> </type> <isModifier value="false" /> <isSummary value="false" /> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> </element> <element id="Extension.extension"> <path value="Extension.extension" /> <slicing> <discriminator> <type value="value" /> <path value="url" /> </discriminator> <description value="Extensions are always sliced by (at least) url" /> <rules value="open" /> </slicing> <short value="Additional content defined by implementations" /> <definition value="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." /> <comment value="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." /> <alias value="extensions" /> <alias value="user content" /> <min value="0" /> <max value="*" /> <base> <path value="Element.extension" /> <min value="0" /> <max value="*" /> </base> <type> <code value="Extension" /> </type> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <constraint> <key value="ext-1" /> <severity value="error" /> <human value="Must have either extensions or value[x], not both" /> <expression value="extension.exists() != value.exists()" /> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" /> <source value="http://hl7.org/fhir/StructureDefinition/Extension" /> </constraint> <isModifier value="false" /> <isSummary value="false" /> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> </element> <element id="Extension.extension:radiotherapyType"> <path value="Extension.extension" /> <sliceName value="radiotherapyType" /> <short value="The type of radiation specifying the teletherapy type or brachytherapy. Bind to modality encoding by AAPM/ASTRO when available." /> <definition value="An Extension" /> <min value="0" /> <max value="1" /> <base> <path value="Element.extension" /> <min value="0" /> <max value="*" /> </base> <type> <code value="Extension" /> </type> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <constraint> <key value="ext-1" /> <severity value="error" /> <human value="Must have either extensions or value[x], not both" /> <expression value="extension.exists() != value.exists()" /> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" /> <source value="http://hl7.org/fhir/StructureDefinition/Extension" /> </constraint> <isModifier value="false" /> <isSummary value="false" /> </element> <element id="Extension.extension:radiotherapyType.id"> <path value="Extension.extension.id" /> <representation value="xmlAttr" /> <short value="Unique id for inter-element referencing" /> <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." /> <min value="0" /> <max value="1" /> <base> <path value="Element.id" /> <min value="0" /> <max value="1" /> </base> <type> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"> <valueUrl value="string" /> </extension> <code value="http://hl7.org/fhirpath/System.String" /> </type> <isModifier value="false" /> <isSummary value="false" /> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> </element> <element id="Extension.extension:radiotherapyType.extension"> <path value="Extension.extension.extension" /> <slicing> <discriminator> <type value="value" /> <path value="url" /> </discriminator> <description value="Extensions are always sliced by (at least) url" /> <rules value="open" /> </slicing> <short value="Extension" /> <definition value="An Extension" /> <min value="0" /> <max value="0" /> <base> <path value="Element.extension" /> <min value="0" /> <max value="*" /> </base> <type> <code value="Extension" /> </type> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <constraint> <key value="ext-1" /> <severity value="error" /> <human value="Must have either extensions or value[x], not both" /> <expression value="extension.exists() != value.exists()" /> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" /> <source value="http://hl7.org/fhir/StructureDefinition/Extension" /> </constraint> <isModifier value="false" /> <isSummary value="false" /> </element> <element id="Extension.extension:radiotherapyType.url"> <path value="Extension.extension.url" /> <representation value="xmlAttr" /> <short value="identifies the meaning of the extension" /> <definition value="Source of the definition for the extension code - a logical name or a URL." /> <comment value="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." /> <min value="1" /> <max value="1" /> <base> <path value="Extension.url" /> <min value="1" /> <max value="1" /> </base> <type> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"> <valueUrl value="uri" /> </extension> <code value="http://hl7.org/fhirpath/System.String" /> </type> <fixedUri value="radiotherapyType" /> <isModifier value="false" /> <isSummary value="false" /> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:radiotherapyType.value[x]"> <path value="Extension.extension.value[x]" /> <slicing> <discriminator> <type value="type" /> <path value="$this" /> </discriminator> <ordered value="false" /> <rules value="closed" /> </slicing> <short value="Value of extension" /> <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." /> <min value="0" /> <max value="1" /> <base> <path value="Extension.value[x]" /> <min value="0" /> <max value="1" /> </base> <type> <code value="CodeableConcept" /> </type> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <isModifier value="false" /> <isSummary value="false" /> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:radiotherapyType.value[x]:valueCodeableConcept"> <path value="Extension.extension.value[x]" /> <sliceName value="valueCodeableConcept" /> <short value="Value of extension" /> <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." /> <min value="0" /> <max value="1" /> <base> <path value="Extension.value[x]" /> <min value="0" /> <max value="1" /> </base> <type> <code value="CodeableConcept" /> </type> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <isModifier value="false" /> <isSummary value="false" /> <binding> <strength value="example" /> <valueSet value="http://varian.com/fhir/ValueSet/radiotherapyType" /> </binding> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:technique"> <path value="Extension.extension" /> <sliceName value="technique" /> <short value="The treatment technique, such as VMAT. Bind to modality encoding by AAPM/ASTRO when available." /> <definition value="An Extension" /> <min value="0" /> <max value="*" /> <base> <path value="Element.extension" /> <min value="0" /> <max value="*" /> </base> <type> <code value="Extension" /> </type> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <constraint> <key value="ext-1" /> <severity value="error" /> <human value="Must have either extensions or value[x], not both" /> <expression value="extension.exists() != value.exists()" /> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" /> <source value="http://hl7.org/fhir/StructureDefinition/Extension" /> </constraint> <isModifier value="false" /> <isSummary value="false" /> </element> <element id="Extension.extension:technique.id"> <path value="Extension.extension.id" /> <representation value="xmlAttr" /> <short value="Unique id for inter-element referencing" /> <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." /> <min value="0" /> <max value="1" /> <base> <path value="Element.id" /> <min value="0" /> <max value="1" /> </base> <type> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"> <valueUrl value="string" /> </extension> <code value="http://hl7.org/fhirpath/System.String" /> </type> <isModifier value="false" /> <isSummary value="false" /> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> </element> <element id="Extension.extension:technique.extension"> <path value="Extension.extension.extension" /> <slicing> <discriminator> <type value="value" /> <path value="url" /> </discriminator> <description value="Extensions are always sliced by (at least) url" /> <rules value="open" /> </slicing> <short value="Extension" /> <definition value="An Extension" /> <min value="0" /> <max value="0" /> <base> <path value="Element.extension" /> <min value="0" /> <max value="*" /> </base> <type> <code value="Extension" /> </type> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <constraint> <key value="ext-1" /> <severity value="error" /> <human value="Must have either extensions or value[x], not both" /> <expression value="extension.exists() != value.exists()" /> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" /> <source value="http://hl7.org/fhir/StructureDefinition/Extension" /> </constraint> <isModifier value="false" /> <isSummary value="false" /> </element> <element id="Extension.extension:technique.url"> <path value="Extension.extension.url" /> <representation value="xmlAttr" /> <short value="identifies the meaning of the extension" /> <definition value="Source of the definition for the extension code - a logical name or a URL." /> <comment value="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." /> <min value="1" /> <max value="1" /> <base> <path value="Extension.url" /> <min value="1" /> <max value="1" /> </base> <type> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"> <valueUrl value="uri" /> </extension> <code value="http://hl7.org/fhirpath/System.String" /> </type> <fixedUri value="technique" /> <isModifier value="false" /> <isSummary value="false" /> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:technique.value[x]"> <path value="Extension.extension.value[x]" /> <slicing> <discriminator> <type value="type" /> <path value="$this" /> </discriminator> <ordered value="false" /> <rules value="closed" /> </slicing> <short value="Value of extension" /> <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." /> <min value="0" /> <max value="1" /> <base> <path value="Extension.value[x]" /> <min value="0" /> <max value="1" /> </base> <type> <code value="CodeableConcept" /> </type> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <isModifier value="false" /> <isSummary value="false" /> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:technique.value[x]:valueCodeableConcept"> <path value="Extension.extension.value[x]" /> <sliceName value="valueCodeableConcept" /> <short value="Value of extension" /> <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." /> <min value="0" /> <max value="1" /> <base> <path value="Extension.value[x]" /> <min value="0" /> <max value="1" /> </base> <type> <code value="CodeableConcept" /> </type> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <isModifier value="false" /> <isSummary value="false" /> <binding> <strength value="example" /> <valueSet value="http://varian.com/fhir/CodeSystem/aria-radiotherapyPrescriptionTechnique" /> </binding> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:energy"> <path value="Extension.extension" /> <sliceName value="energy" /> <short value="The radiation energy as decimal in MV. Can alternatively be represented as string or CodeableConcept." /> <definition value="An Extension" /> <min value="0" /> <max value="*" /> <base> <path value="Element.extension" /> <min value="0" /> <max value="*" /> </base> <type> <code value="Extension" /> </type> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <constraint> <key value="ext-1" /> <severity value="error" /> <human value="Must have either extensions or value[x], not both" /> <expression value="extension.exists() != value.exists()" /> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" /> <source value="http://hl7.org/fhir/StructureDefinition/Extension" /> </constraint> <isModifier value="false" /> <isSummary value="false" /> </element> <element id="Extension.extension:energy.id"> <path value="Extension.extension.id" /> <representation value="xmlAttr" /> <short value="Unique id for inter-element referencing" /> <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." /> <min value="0" /> <max value="1" /> <base> <path value="Element.id" /> <min value="0" /> <max value="1" /> </base> <type> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"> <valueUrl value="string" /> </extension> <code value="http://hl7.org/fhirpath/System.String" /> </type> <isModifier value="false" /> <isSummary value="false" /> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> </element> <element id="Extension.extension:energy.extension"> <path value="Extension.extension.extension" /> <slicing> <discriminator> <type value="value" /> <path value="url" /> </discriminator> <description value="Extensions are always sliced by (at least) url" /> <rules value="open" /> </slicing> <short value="Extension" /> <definition value="An Extension" /> <min value="0" /> <max value="0" /> <base> <path value="Element.extension" /> <min value="0" /> <max value="*" /> </base> <type> <code value="Extension" /> </type> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <constraint> <key value="ext-1" /> <severity value="error" /> <human value="Must have either extensions or value[x], not both" /> <expression value="extension.exists() != value.exists()" /> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" /> <source value="http://hl7.org/fhir/StructureDefinition/Extension" /> </constraint> <isModifier value="false" /> <isSummary value="false" /> </element> <element id="Extension.extension:energy.url"> <path value="Extension.extension.url" /> <representation value="xmlAttr" /> <short value="identifies the meaning of the extension" /> <definition value="Source of the definition for the extension code - a logical name or a URL." /> <comment value="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." /> <min value="1" /> <max value="1" /> <base> <path value="Extension.url" /> <min value="1" /> <max value="1" /> </base> <type> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"> <valueUrl value="uri" /> </extension> <code value="http://hl7.org/fhirpath/System.String" /> </type> <fixedUri value="energy" /> <isModifier value="false" /> <isSummary value="false" /> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:energy.value[x]"> <path value="Extension.extension.value[x]" /> <slicing> <discriminator> <type value="type" /> <path value="$this" /> </discriminator> <ordered value="false" /> <rules value="closed" /> </slicing> <short value="Value of extension" /> <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." /> <min value="0" /> <max value="1" /> <base> <path value="Extension.value[x]" /> <min value="0" /> <max value="1" /> </base> <type> <code value="Quantity" /> <profile value="http://hl7.org/fhir/StructureDefinition/SimpleQuantity" /> </type> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <isModifier value="false" /> <isSummary value="false" /> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Extension.extension:energy.value[x]:valueQuantity"> <path value="Extension.extension.value[x]" /> <sliceName value="valueQuantity" /> <short value="A fixed quantity (no comparator)" /> <definition value="The comparator is not used on a SimpleQuantity" /> <comment value="The context of use may frequently define what kind of quantity this is and therefore what kind of units can be used. The context of use may also restrict the values for the comparator." /> <min value="0" /> <max value="1" /> <base> <path value="Extension.value[x]" /> <min value="0" /> <max value="1" /> </base> <type> <code value="Quantity" /> <profile value="http://hl7.org/fhir/StructureDefinition/SimpleQuantity" /> </type> <patternQuantity> <unit value="megavolt" /> <system value="http://unitsofmeasure.org" /> <code value="MV" /> </patternQuantity> <condition value="ele-1" /> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <constraint> <key value="qty-3" /> <severity value="error" /> <human value="If a code for the unit is present, the system SHALL also be present" /> <expression value="code.empty() or system.exists()" /> <xpath value="not(exists(f:code)) or exists(f:system)" /> <source value="http://hl7.org/fhir/StructureDefinition/Quantity" /> </constraint> <constraint> <key value="sqty-1" /> <severity value="error" /> <human value="The comparator is not used on a SimpleQuantity" /> <expression value="comparator.empty()" /> <xpath value="not(exists(f:comparator))" /> <source value="http://hl7.org/fhir/StructureDefinition/Extension" /> </constraint> <isModifier value="false" /> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="v2" /> <map value="SN (see also Range) or CQ" /> </mapping> <mapping> <identity value="rim" /> <map value="PQ, IVL<PQ>, MO, CO, depending on the values" /> </mapping> </element> <element id="Extension.url"> <path value="Extension.url" /> <representation value="xmlAttr" /> <short value="identifies the meaning of the extension" /> <definition value="Source of the definition for the extension code - a logical name or a URL." /> <comment value="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." /> <min value="1" /> <max value="1" /> <base> <path value="Extension.url" /> <min value="1" /> <max value="1" /> </base> <type> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"> <valueUrl value="uri" /> </extension> <code value="http://hl7.org/fhirpath/System.String" /> </type> <fixedUri value="http://varian.com/fhir/v1/StructureDefinition/radiotherapyTreatmentMode" /> <isModifier value="false" /> <isSummary value="false" /> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <short value="Value of extension" /> <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." /> <min value="0" /> <max value="0" /> <base> <path value="Extension.value[x]" /> <min value="0" /> <max value="1" /> </base> <type> <code value="base64Binary" /> </type> <type> <code value="boolean" /> </type> <type> <code value="canonical" /> </type> <type> <code value="code" /> </type> <type> <code value="date" /> </type> <type> <code value="dateTime" /> </type> <type> <code value="decimal" /> </type> <type> <code value="id" /> </type> <type> <code value="instant" /> </type> <type> <code value="integer" /> </type> <type> <code value="markdown" /> </type> <type> <code value="oid" /> </type> <type> <code value="positiveInt" /> </type> <type> <code value="string" /> </type> <type> <code value="time" /> </type> <type> <code value="unsignedInt" /> </type> <type> <code value="uri" /> </type> <type> <code value="url" /> </type> <type> <code value="uuid" /> </type> <type> <code value="Address" /> </type> <type> <code value="Age" /> </type> <type> <code value="Annotation" /> </type> <type> <code value="Attachment" /> </type> <type> <code value="CodeableConcept" /> </type> <type> <code value="Coding" /> </type> <type> <code value="ContactPoint" /> </type> <type> <code value="Count" /> </type> <type> <code value="Distance" /> </type> <type> <code value="Duration" /> </type> <type> <code value="HumanName" /> </type> <type> <code value="Identifier" /> </type> <type> <code value="Money" /> </type> <type> <code value="Period" /> </type> <type> <code value="Quantity" /> </type> <type> <code value="Range" /> </type> <type> <code value="Ratio" /> </type> <type> <code value="Reference" /> </type> <type> <code value="SampledData" /> </type> <type> <code value="Signature" /> </type> <type> <code value="Timing" /> </type> <type> <code value="ContactDetail" /> </type> <type> <code value="Contributor" /> </type> <type> <code value="DataRequirement" /> </type> <type> <code value="Expression" /> </type> <type> <code value="ParameterDefinition" /> </type> <type> <code value="RelatedArtifact" /> </type> <type> <code value="TriggerDefinition" /> </type> <type> <code value="UsageContext" /> </type> <type> <code value="Dosage" /> </type> <type> <code value="Meta" /> </type> <constraint> <key value="ele-1" /> <severity value="error" /> <human value="All FHIR elements must have a @value or children" /> <expression value="hasValue() or (children().count() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <isModifier value="false" /> <isSummary value="false" /> <mapping> <identity value="rim" /> <map value="N/A" /> </mapping> </element> </snapshot> <differential> <element id="Extension"> <path value="Extension" /> <short value="Treatment Mode" /> </element> <element id="Extension.extension:radiotherapyType"> <path value="Extension.extension" /> <sliceName value="radiotherapyType" /> <short value="The type of radiation specifying the teletherapy type or brachytherapy. Bind to modality encoding by AAPM/ASTRO when available." /> <min value="0" /> <max value="1" /> </element> <element id="Extension.extension:radiotherapyType.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:radiotherapyType.url"> <path value="Extension.extension.url" /> <fixedUri value="radiotherapyType" /> </element> <element id="Extension.extension:radiotherapyType.value[x]"> <path value="Extension.extension.value[x]" /> <slicing> <discriminator> <type value="type" /> <path value="$this" /> </discriminator> <ordered value="false" /> <rules value="open" /> </slicing> <type> <code value="CodeableConcept" /> </type> </element> <element id="Extension.extension:radiotherapyType.valueCodeableConcept"> <path value="Extension.extension.valueCodeableConcept" /> <min value="0" /> <max value="1" /> <binding> <strength value="example" /> <valueSet value="http://varian.com/fhir/ValueSet/radiotherapyType" /> </binding> </element> <element id="Extension.extension:technique"> <path value="Extension.extension" /> <sliceName value="technique" /> <short value="The treatment technique, such as VMAT. Bind to modality encoding by AAPM/ASTRO when available." /> <min value="0" /> <max value="*" /> </element> <element id="Extension.extension:technique.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:technique.url"> <path value="Extension.extension.url" /> <fixedUri value="technique" /> </element> <element id="Extension.extension:technique.value[x]"> <path value="Extension.extension.value[x]" /> <slicing> <discriminator> <type value="type" /> <path value="$this" /> </discriminator> <ordered value="false" /> <rules value="open" /> </slicing> <type> <code value="CodeableConcept" /> </type> </element> <element id="Extension.extension:technique.valueCodeableConcept"> <path value="Extension.extension.valueCodeableConcept" /> <min value="0" /> <max value="1" /> <binding> <strength value="example" /> <valueSet value="http://varian.com/fhir/CodeSystem/aria-radiotherapyPrescriptionTechnique" /> </binding> </element> <element id="Extension.extension:energy"> <path value="Extension.extension" /> <sliceName value="energy" /> <short value="The radiation energy as decimal in MV. Can alternatively be represented as string or CodeableConcept." /> <min value="0" /> <max value="*" /> </element> <element id="Extension.extension:energy.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:energy.url"> <path value="Extension.extension.url" /> <fixedUri value="energy" /> </element> <element id="Extension.extension:energy.value[x]"> <path value="Extension.extension.value[x]" /> <slicing> <discriminator> <type value="type" /> <path value="$this" /> </discriminator> <ordered value="false" /> <rules value="open" /> </slicing> <type> <code value="CodeableConcept" /> </type> <type> <code value="Quantity" /> <profile value="http://hl7.org/fhir/StructureDefinition/SimpleQuantity" /> </type> </element> <element id="Extension.extension:energy.valueQuantity"> <path value="Extension.extension.valueQuantity" /> <min value="0" /> <max value="1" /> <type> <code value="Quantity" /> <profile value="http://hl7.org/fhir/StructureDefinition/SimpleQuantity" /> </type> <patternQuantity> <unit value="megavolt" /> <system value="http://unitsofmeasure.org" /> <code value="MV" /> </patternQuantity> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="http://varian.com/fhir/v1/StructureDefinition/radiotherapyTreatmentMode" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <max value="0" /> </element> </differential> </StructureDefinition>