codexrt-radiotherapy-dose-planned-to-volume
type: StructureDefinition
node role: treeRoot
id:
  v: codexrt-radiotherapy-dose-planned-to-volume
language:
  v: en
text:
  status:
    v: extensions
  div:
    v: Generated Narrative: StructureDefinition codexrt-radiotherapy-dose-planned-to-volume Name Flags Card. Type Description & Constraints<img src="[binary]" alt="doco" style="background-color: inherit"/> Extension 0..* Extension Planned Dose to a Dose Reference #xD; extension 1..* Extension Extension #xD; Slices for extension Content/Rules for all slices #xD; extension:volume S 1..1 Extension Volume targeted by the planned dose #xD; extension 0..0 Extension #xD; url 1..1 uri "volume" #xD; value[x] 1..1 Reference(Radiotherapy Volume) Value of extension #xD; extension:fractionDose S 0..1 Extension Radiation Dose Planned per Fraction #xD; extension 0..0 Extension #xD; url 1..1 uri "fractionDose" #xD; value[x] 0..1 Quantity Value of extension Required Pattern: At least the following #xD; system 1..1 uri System that defines coded unit form Fixed Value: http://unitsofmeasure.org #xD; code 1..1 code Coded form of the unit Fixed Value: cGy #xD; extension:totalDose S 0..1 Extension Total Planned Radiation Dose #xD; extension 0..0 Extension #xD; url 1..1 uri "totalDose" #xD; value[x] 1..1 Quantity Value of extension Required Pattern: At least the following #xD; system 1..1 uri System that defines coded unit form Fixed Value: http://unitsofmeasure.org #xD; code 1..1 code Coded form of the unit Fixed Value: cGy #xD; extension:fractions S 0..1 Extension Number of Planned Fractions #xD; extension 0..0 Extension #xD; url 1..1 uri "fractions" #xD; value[x] 0..1 positiveInt Value of extension #xD; url 1..1 uri "http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-radiotherapy-dose-planned-to-volume" #xD; value[x] 0..0 Value of extension #xD; <img src="[binary]" alt="doco" style="background-color: inherit"/> Documentation for this format
extension:
  url:
    v: http://hl7.org/fhir/StructureDefinition/structuredefinition-wg
    l: structuredefinition-wg
  value: Code
    v: cgp
extension:
  url:
    v: http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status
    l: structuredefinition-standards-status
  value: Code
    v: trial-use
    extension:
      url:
        v: http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom
        l: structuredefinition-conformance-derivedFrom
      value: Canonical
        v: http://hl7.org/fhir/us/codex-radiation-therapy/ImplementationGuide/hl7.fhir.us.codex-radiation-therapy
        l: hl7.fhir.us.codex-radiation-therapy
url:
  v: http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-radiotherapy-dose-planned-to-volume
  l: codexrt-radiotherapy-dose-planned-to-volume
identifier:
  system:
    v: urn:ietf:rfc:3986
    l: 3986
  value:
    v: urn:oid:2.16.840.1.113883.4.642.40.14.42.11
version:
  v: 2.0.0
name:
  v: RadiotherapyDosePlannedToVolume
title:
  v: Dose Planned to Volume
status:
  v: active
date:
  v: 2026-02-11T00:55:08+00:00
publisher:
  v: HL7 International / Cross-Group Projects
contact:
  name:
    v: HL7 International / Cross-Group Projects
  telecom:
    system:
      v: url
    value:
      v: http://www.hl7.org/Special/committees/cgp
  telecom:
    system:
      v: email
description:
  v: Dose parameters planned for one radiotherapy volume.
jurisdiction:
  coding:
    system:
      v: urn:iso:std:iso:3166
      l: 3166
    code:
      v: US
    display:
      v: United States of America
fhir version:
  v: 4.0.1
mapping:
  identity:
    v: rim
  uri:
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    l: v3
  name:
    v: RIM Mapping
kind:
  v: complex-type
abstract:
  v: false
context:
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    v: element
  expression:
    v: Procedure
context:
  type:
    v: element
  expression:
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context:
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    v: element
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  l: Extension
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derivation:
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    definition:
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    min:
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    max:
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      xpath:
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      source:
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        l: Element
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      severity:
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    path:
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    short:
      v: Unique id for inter-element referencing
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      code:
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Url
v: string
l: string

v: n/a

id:
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path:
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slicing:
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    path:
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  rules:
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short:
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min:
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max:
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base:
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  expression:
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  xpath:
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  source:
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    l: Element
constraint:
  key:
    v: ext-1
  severity:
    v: error
  human:
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  expression:
    v: extension.exists() != value.exists()
  xpath:
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  source:
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is modifier:
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is summary:
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id:
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path:
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slice name:
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short:
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definition:
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must support:
  v: true
is modifier:
  v: false
is summary:
  v: false

id:
  v: Extension.extension:volume.id
path:
  v: Extension.extension.id
representation:
  v: xmlAttr
short:
  v: Unique id for inter-element referencing
definition:
  v: Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
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  v: 0
max:
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type:
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    url:
      v: http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
      l: structuredefinition-fhir-type
    value: Url
      v: string
      l: string
  code:
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    l: System.String
is modifier:
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mapping:
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    v: rim
  map:
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id:
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path:
  v: Extension.extension.extension
slicing:
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    path:
      v: url
  description:
    v: Extensions are always sliced by (at least) url
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short:
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definition:
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max:
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is modifier:
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is summary:
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id:
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path:
  v: Extension.extension.url
representation:
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short:
  v: identifies the meaning of the extension
definition:
  v: Source of the definition for the extension code - a logical name or a URL.
comment:
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      v: uri
      l: uri
  code:
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    l: System.String
fixed: Uri
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  l: volume
is modifier:
  v: false
is summary:
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mapping:
  identity:
    v: rim
  map:
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id:
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path:
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short:
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definition:
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type:
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    l: codexrt-radiotherapy-volume
constraint:
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    v: error
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    v: All FHIR elements must have a @value or children
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is modifier:
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is summary:
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mapping:
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  map:
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id:
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path:
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slice name:
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short:
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definition:
  v: The dose planned per fraction to this volume.
min:
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max:
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base:
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must support:
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is modifier:
  v: false
is summary:
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id:
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path:
  v: Extension.extension.id
representation:
  v: xmlAttr
short:
  v: Unique id for inter-element referencing
definition:
  v: Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
min:
  v: 0
max:
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type:
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      l: string
  code:
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is modifier:
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is summary:
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mapping:
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    v: rim
  map:
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id:
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path:
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slicing:
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    path:
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short:
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definition:
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is summary:
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id:
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path:
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representation:
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short:
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definition:
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comment:
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mapping:
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id:
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path:
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short:
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definition:
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base:
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type:
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pattern: Quantity
  system:
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  code:
    v: cGy
constraint:
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mapping:
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id:
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path:
  v: Extension.extension
slice name:
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short:
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definition:
  v: The total dose planned to this volume within the scope of this ServiceRequest.
min:
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max:
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base:
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type:
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constraint:
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id:
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path:
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representation:
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short:
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definition:
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short:
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definition:
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max:
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base:
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id:
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path:
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representation:
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short:
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definition:
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comment:
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max:
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type:
  extension:
    url:
      v: http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
      l: structuredefinition-fhir-type
    value: Url
      v: uri
      l: uri
  code:
    v: http://hl7.org/fhirpath/System.String
    l: System.String
fixed: Uri
  v: totalDose
  l: totalDose
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.extension:totalDose.value[x]
path:
  v: Extension.extension.value[x]
short:
  v: Value of extension
definition:
  v: 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:
  v: 1
max:
  v: 1
base:
  path:
    v: Extension.value[x]
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: Quantity
    l: Quantity
pattern: Quantity
  system:
    v: http://unitsofmeasure.org
    l: unitsofmeasure.org
  code:
    v: cGy
constraint:
  key:
    v: ele-1
  severity:
    v: error
  human:
    v: All FHIR elements must have a @value or children
  expression:
    v: hasValue() or (children().count() > id.count())
  xpath:
    v: @value|f:*|h:div
  source:
    v: http://hl7.org/fhir/StructureDefinition/Element
    l: Element
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.extension:fractions
path:
  v: Extension.extension
slice name:
  v: fractions
short:
  v: Number of Planned Fractions
definition:
  v: The planned number of fractions to deliver the dose. See also extension RadiotherapyFractionsPlanned which is used instead if fractions are the same for all volumes, i.e. in phases or plans.
min:
  v: 0
max:
  v: 1
base:
  path:
    v: Element.extension
  min:
    v: 0
  max:
    v: *
type:
  code:
    v: Extension
    l: Extension
constraint:
  key:
    v: ele-1
  severity:
    v: error
  human:
    v: All FHIR elements must have a @value or children
  expression:
    v: hasValue() or (children().count() > id.count())
  xpath:
    v: @value|f:*|h:div
  source:
    v: http://hl7.org/fhir/StructureDefinition/Element
    l: Element
constraint:
  key:
    v: ext-1
  severity:
    v: error
  human:
    v: Must have either extensions or value[x], not both
  expression:
    v: extension.exists() != value.exists()
  xpath:
    v: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])
  source:
    v: http://hl7.org/fhir/StructureDefinition/Extension
    l: Extension
must support:
  v: true
is modifier:
  v: false
is summary:
  v: false

id:
  v: Extension.extension:fractions.id
path:
  v: Extension.extension.id
representation:
  v: xmlAttr
short:
  v: Unique id for inter-element referencing
definition:
  v: Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
min:
  v: 0
max:
  v: 1
base:
  path:
    v: Element.id
  min:
    v: 0
  max:
    v: 1
type:
  extension:
    url:
      v: http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
      l: structuredefinition-fhir-type
    value: Url
      v: string
      l: string
  code:
    v: http://hl7.org/fhirpath/System.String
    l: System.String
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: n/a

id:
  v: Extension.extension:fractions.extension
path:
  v: Extension.extension.extension
slicing:
  discriminator:
    type:
      v: value
    path:
      v: url
  description:
    v: Extensions are always sliced by (at least) url
  rules:
    v: open
short:
  v: Extension
definition:
  v: An Extension
min:
  v: 0
max:
  v: 0
base:
  path:
    v: Element.extension
  min:
    v: 0
  max:
    v: *
type:
  code:
    v: Extension
    l: Extension
constraint:
  key:
    v: ele-1
  severity:
    v: error
  human:
    v: All FHIR elements must have a @value or children
  expression:
    v: hasValue() or (children().count() > id.count())
  xpath:
    v: @value|f:*|h:div
  source:
    v: http://hl7.org/fhir/StructureDefinition/Element
    l: Element
constraint:
  key:
    v: ext-1
  severity:
    v: error
  human:
    v: Must have either extensions or value[x], not both
  expression:
    v: extension.exists() != value.exists()
  xpath:
    v: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])
  source:
    v: http://hl7.org/fhir/StructureDefinition/Extension
    l: Extension
is modifier:
  v: false
is summary:
  v: false

id:
  v: Extension.extension:fractions.url
path:
  v: Extension.extension.url
representation:
  v: xmlAttr
short:
  v: identifies the meaning of the extension
definition:
  v: Source of the definition for the extension code - a logical name or a URL.
comment:
  v: 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:
  v: 1
max:
  v: 1
base:
  path:
    v: Extension.url
  min:
    v: 1
  max:
    v: 1
type:
  extension:
    url:
      v: http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
      l: structuredefinition-fhir-type
    value: Url
      v: uri
      l: uri
  code:
    v: http://hl7.org/fhirpath/System.String
    l: System.String
fixed: Uri
  v: fractions
  l: fractions
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.extension:fractions.value[x]
path:
  v: Extension.extension.value[x]
short:
  v: Value of extension
definition:
  v: 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:
  v: 0
max:
  v: 1
base:
  path:
    v: Extension.value[x]
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: positiveInt
    l: positiveInt
constraint:
  key:
    v: ele-1
  severity:
    v: error
  human:
    v: All FHIR elements must have a @value or children
  expression:
    v: hasValue() or (children().count() > id.count())
  xpath:
    v: @value|f:*|h:div
  source:
    v: http://hl7.org/fhir/StructureDefinition/Element
    l: Element
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.url
path:
  v: Extension.url
representation:
  v: xmlAttr
short:
  v: identifies the meaning of the extension
definition:
  v: Source of the definition for the extension code - a logical name or a URL.
comment:
  v: 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:
  v: 1
max:
  v: 1
base:
  path:
    v: Extension.url
  min:
    v: 1
  max:
    v: 1
type:
  extension:
    url:
      v: http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
      l: structuredefinition-fhir-type
    value: Url
      v: uri
      l: uri
  code:
    v: http://hl7.org/fhirpath/System.String
    l: System.String
fixed: Uri
  v: http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-radiotherapy-dose-planned-to-volume
  l: codexrt-radiotherapy-dose-planned-to-volume
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.value[x]
path:
  v: Extension.value[x]
short:
  v: Value of extension
definition:
  v: 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:
  v: 0
max:
  v: 0
base:
  path:
    v: Extension.value[x]
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: base64Binary
    l: base64Binary
type:
  code:
    v: boolean
    l: boolean
type:
  code:
    v: canonical
    l: canonical
type:
  code:
    v: code
    l: code
type:
  code:
    v: date
    l: date
type:
  code:
    v: dateTime
    l: dateTime
type:
  code:
    v: decimal
    l: decimal
type:
  code:
    v: id
    l: id
type:
  code:
    v: instant
    l: instant
type:
  code:
    v: integer
    l: integer
type:
  code:
    v: markdown
    l: markdown
type:
  code:
    v: oid
    l: oid
type:
  code:
    v: positiveInt
    l: positiveInt
type:
  code:
    v: string
    l: string
type:
  code:
    v: time
    l: time
type:
  code:
    v: unsignedInt
    l: unsignedInt
type:
  code:
    v: uri
    l: uri
type:
  code:
    v: url
    l: url
type:
  code:
    v: uuid
    l: uuid
type:
  code:
    v: Address
    l: Address
type:
  code:
    v: Age
    l: Age
type:
  code:
    v: Annotation
    l: Annotation
type:
  code:
    v: Attachment
    l: Attachment
type:
  code:
    v: CodeableConcept
    l: CodeableConcept
type:
  code:
    v: Coding
    l: Coding
type:
  code:
    v: ContactPoint
    l: ContactPoint
type:
  code:
    v: Count
    l: Count
type:
  code:
    v: Distance
    l: Distance
type:
  code:
    v: Duration
    l: Duration
type:
  code:
    v: HumanName
    l: HumanName
type:
  code:
    v: Identifier
    l: Identifier
type:
  code:
    v: Money
    l: Money
type:
  code:
    v: Period
    l: Period
type:
  code:
    v: Quantity
    l: Quantity
type:
  code:
    v: Range
    l: Range
type:
  code:
    v: Ratio
    l: Ratio
type:
  code:
    v: Reference
    l: Reference
type:
  code:
    v: SampledData
    l: SampledData
type:
  code:
    v: Signature
    l: Signature
type:
  code:
    v: Timing
    l: Timing
type:
  code:
    v: ContactDetail
    l: ContactDetail
type:
  code:
    v: Contributor
    l: Contributor
type:
  code:
    v: DataRequirement
    l: DataRequirement
type:
  code:
    v: Expression
    l: Expression
type:
  code:
    v: ParameterDefinition
    l: ParameterDefinition
type:
  code:
    v: RelatedArtifact
    l: RelatedArtifact

code:
  v: TriggerDefinition
  l: TriggerDefinition

code:
  v: UsageContext
  l: UsageContext

code:
  v: Dosage
  l: Dosage

code:
  v: Meta
  l: Meta

key:
  v: ele-1
severity:
  v: error
human:
  v: All FHIR elements must have a @value or children
expression:
  v: hasValue() or (children().count() > id.count())
xpath:
  v: @value|f:*|h:div
source:
  v: http://hl7.org/fhir/StructureDefinition/Element
  l: Element

v: false

v: false

identity:
  v: rim
map:
  v: N/A

element:
  id:
    v: Extension
  path:
    v: Extension
  short:
    v: Planned Dose to a Dose Reference
  definition:
    v: Dose parameters planned for one radiotherapy volume.
element:
  id:
    v: Extension.extension
  path:
    v: Extension.extension
  min:
    v: 1
element:
  id:
    v: Extension.extension:volume
  path:
    v: Extension.extension
  slice name:
    v: volume
  short:
    v: Volume targeted by the planned dose
  definition:
    v: A BodyStructure resource representing the body structure to be treated, for example, Chest Wall Lymph Nodes.
  min:
    v: 1
  max:
    v: 1
  must support:
    v: true
element:
  id:
    v: Extension.extension:volume.extension
  path:
    v: Extension.extension.extension
  max:
    v: 0
element:
  id:
    v: Extension.extension:volume.url
  path:
    v: Extension.extension.url
  fixed: Uri
    v: volume
    l: volume
element:
  id:
    v: Extension.extension:volume.value[x]
  path:
    v: Extension.extension.value[x]
  min:
    v: 1
  type:
    code:
      v: Reference
      l: Reference
    target profile:
      v: http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-radiotherapy-volume
      l: codexrt-radiotherapy-volume
element:
  id:
    v: Extension.extension:fractionDose
  path:
    v: Extension.extension
  slice name:
    v: fractionDose
  short:
    v: Radiation Dose Planned per Fraction
  definition:
    v: The dose planned per fraction to this volume.
  min:
    v: 0
  max:
    v: 1
  must support:
    v: true
element:
  id:
    v: Extension.extension:fractionDose.extension
  path:
    v: Extension.extension.extension
  max:
    v: 0
element:
  id:
    v: Extension.extension:fractionDose.url
  path:
    v: Extension.extension.url
  fixed: Uri
    v: fractionDose
    l: fractionDose
element:
  id:
    v: Extension.extension:fractionDose.value[x]
  path:
    v: Extension.extension.value[x]
  type:
    code:
      v: Quantity
      l: Quantity
  pattern: Quantity
    system:
      v: http://unitsofmeasure.org
      l: unitsofmeasure.org
    code:
      v: cGy
element:
  id:
    v: Extension.extension:totalDose
  path:
    v: Extension.extension
  slice name:
    v: totalDose
  short:
    v: Total Planned Radiation Dose
  definition:
    v: The total dose planned to this volume within the scope of this ServiceRequest.
  min:
    v: 0
  max:
    v: 1
  must support:
    v: true
element:
  id:
    v: Extension.extension:totalDose.extension
  path:
    v: Extension.extension.extension
  max:
    v: 0
element:
  id:
    v: Extension.extension:totalDose.url
  path:
    v: Extension.extension.url
  fixed: Uri
    v: totalDose
    l: totalDose
element:
  id:
    v: Extension.extension:totalDose.value[x]
  path:
    v: Extension.extension.value[x]
  min:
    v: 1
  type:
    code:
      v: Quantity
      l: Quantity
  pattern: Quantity
    system:
      v: http://unitsofmeasure.org
      l: unitsofmeasure.org
    code:
      v: cGy
element:
  id:
    v: Extension.extension:fractions
  path:
    v: Extension.extension
  slice name:
    v: fractions
  short:
    v: Number of Planned Fractions
  definition:
    v: The planned number of fractions to deliver the dose. See also extension RadiotherapyFractionsPlanned which is used instead if fractions are the same for all volumes, i.e. in phases or plans.
  min:
    v: 0
  max:
    v: 1
  must support:
    v: true
element:
  id:
    v: Extension.extension:fractions.extension
  path:
    v: Extension.extension.extension
  max:
    v: 0
element:
  id:
    v: Extension.extension:fractions.url
  path:
    v: Extension.extension.url
  fixed: Uri
    v: fractions
    l: fractions
element:
  id:
    v: Extension.extension:fractions.value[x]
  path:
    v: Extension.extension.value[x]
  type:
    code:
      v: positiveInt
      l: positiveInt
element:
  id:
    v: Extension.url
  fixed: Uri

v: Extension.url

id:
  v: Extension.value[x]
path:
  v: Extension.value[x]
max:
  v: 0