This page is part of the CodeX™ Radiation Therapy (v1.0.0-ballot: STU 1 Ballot 1) based on FHIR (HL7® FHIR® Standard) R4. The current version which supersedes this version is 2.0.0. For a full list of available versions, see the Directory of published versions
Definitions for the codexrt-radiotherapy-dose-prescribed-to-volume extension.
| 1. Extension | |
| Definition | Dose parameters prescribed for one radiotherapy volume.  | 
| Control | 0..* This element is affected by the following invariants: ele-1 | 
| Invariants | Defined 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())  | 
| 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.  | 
| Control | 0..1 | 
| Type | string | 
| 3. Extension.extension | |
| Definition | An Extension  | 
| Control | 1..* | 
| Type | Extension | 
| Invariants | Defined 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())  | 
| Slicing | This element introduces a set of slices on Extension.extension. The slices are unordered and Open, and can be differentiated using the following discriminators: 
  | 
| 4. Extension.extension:volume | |
| SliceName | volume | 
| Definition | A BodyStructure resource representing the body structure to be treated, for example, Chest Wall Lymph Nodes.  | 
| Control | 1..1 | 
| Type | Extension | 
| Must Support | true | 
| Invariants | Defined 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:volume.id | |
| Definition | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.  | 
| Control | 0..1 | 
| Type | string | 
| 6. Extension.extension:volume.extension | |
| Definition | An Extension  | 
| Control | 0..0 | 
| Type | Extension | 
| Invariants | Defined 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())  | 
| Slicing | This element introduces a set of slices on Extension.extension.extension. The slices are unordered and Open, and can be differentiated using the following discriminators: 
  | 
| 7. Extension.extension:volume.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL.  | 
| Control | 1..1 | 
| Type | uri | 
| 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 Value | volume | 
| 8. Extension.extension:volume.value[x] | |
| Definition | Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).  | 
| Control | 1..1 | 
| Type | Reference(RadiotherapyVolume) | 
| [x] Note | See Choice of Data Types for further information about how to use [x] | 
| Invariants | Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))  | 
| 9. Extension.extension:fractionDose | |
| SliceName | fractionDose | 
| Definition | The dose prescribed per Fraction to this volume.  | 
| Control | 0..1 | 
| Type | Extension | 
| Must Support | true | 
| Invariants | Defined 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:fractionDose.id | |
| Definition | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.  | 
| Control | 0..1 | 
| Type | string | 
| 11. Extension.extension:fractionDose.extension | |
| Definition | An Extension  | 
| Control | 0..0 | 
| Type | Extension | 
| Invariants | Defined 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())  | 
| Slicing | This element introduces a set of slices on Extension.extension.extension. The slices are unordered and Open, and can be differentiated using the following discriminators: 
  | 
| 12. Extension.extension:fractionDose.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL.  | 
| Control | 1..1 | 
| Type | uri | 
| 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 Value | fractionDose | 
| 13. Extension.extension:fractionDose.value[x] | |
| Definition | Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).  | 
| Control | 0..1 | 
| Type | Quantity | 
| [x] Note | See Choice of Data Types for further information about how to use [x] | 
| Invariants | Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))  | 
| Slicing | This element introduces a set of slices on Extension.extension.value[x]. The slices are unordered and Closed, and can be differentiated using the following discriminators: 
  | 
| 14. Extension.extension:fractionDose.value[x]:valueQuantity | |
| SliceName | valueQuantity | 
| Definition | Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).  | 
| Control | 0..1 | 
| Type | Quantity | 
| [x] Note | See Choice of Data Types for further information about how to use [x] | 
| Pattern Value | <valueQuantity xmlns="http://hl7.org/fhir"> <system value="http://unitsofmeasure.org"/> <code value="cGy"/> </valueQuantity>  | 
| Invariants | Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))  | 
| 15. Extension.extension:totalDose | |
| SliceName | totalDose | 
| Definition | The total dose prescribed to this volume within the scope of this ServiceRequest.  | 
| Control | 0..1 | 
| Type | Extension | 
| Must Support | true | 
| Invariants | Defined 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())  | 
| 16. Extension.extension:totalDose.id | |
| Definition | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.  | 
| Control | 0..1 | 
| Type | string | 
| 17. Extension.extension:totalDose.extension | |
| Definition | An Extension  | 
| Control | 0..0 | 
| Type | Extension | 
| Invariants | Defined 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())  | 
| Slicing | This element introduces a set of slices on Extension.extension.extension. The slices are unordered and Open, and can be differentiated using the following discriminators: 
  | 
| 18. Extension.extension:totalDose.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL.  | 
| Control | 1..1 | 
| Type | uri | 
| 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 Value | totalDose | 
| 19. Extension.extension:totalDose.value[x] | |
| Definition | Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).  | 
| Control | 1..1 | 
| Type | Quantity | 
| [x] Note | See Choice of Data Types for further information about how to use [x] | 
| Invariants | Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))  | 
| Slicing | This element introduces a set of slices on Extension.extension.value[x]. The slices are unordered and Closed, and can be differentiated using the following discriminators: 
  | 
| 20. Extension.extension:totalDose.value[x]:valueQuantity | |
| SliceName | valueQuantity | 
| Definition | Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).  | 
| Control | 1..1 | 
| Type | Quantity | 
| [x] Note | See Choice of Data Types for further information about how to use [x] | 
| Pattern Value | <valueQuantity xmlns="http://hl7.org/fhir"> <system value="http://unitsofmeasure.org"/> <code value="cGy"/> </valueQuantity>  | 
| Invariants | Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))  | 
| 21. Extension.extension:fractions | |
| SliceName | fractions | 
| Definition | The prescribed number of Fractions to deliver the dose. See also extension RadiotherapyFractionsPrescribed which is used instead if fractions are not per volume, e.g. in Phase Prescriptions or Plans.  | 
| Control | 0..1 | 
| Type | Extension | 
| Must Support | true | 
| Invariants | Defined 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())  | 
| 22. Extension.extension:fractions.id | |
| Definition | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.  | 
| Control | 0..1 | 
| Type | string | 
| 23. Extension.extension:fractions.extension | |
| Definition | An Extension  | 
| Control | 0..0 | 
| Type | Extension | 
| Invariants | Defined 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())  | 
| Slicing | This element introduces a set of slices on Extension.extension.extension. The slices are unordered and Open, and can be differentiated using the following discriminators: 
  | 
| 24. Extension.extension:fractions.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL.  | 
| Control | 1..1 | 
| Type | uri | 
| 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 Value | fractions | 
| 25. Extension.extension:fractions.value[x] | |
| Definition | Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).  | 
| Control | 0..1 | 
| Type | positiveInt | 
| [x] Note | See Choice of Data Types for further information about how to use [x] | 
| Invariants | Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))  | 
| 26. Extension.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL.  | 
| Control | 1..1 | 
| Type | uri | 
| 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 Value | http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-radiotherapy-dose-prescribed-to-volume | 
| 27. Extension.value[x] | |
| Definition | Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).  | 
| Control | 0..0 | 
| Type | Choice 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] Note | See Choice of Data Types for further information about how to use [x] | 
| Invariants | Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))  |