CodeX™ Radiation Therapy
1.0.0-ballot - ci-build
CodeX™ Radiation Therapy
1.0.0-ballot - ci-build
This page is part of the CodeX™ Radiation Therapy (v1.0.0-ballot: STU 1 Ballot 1) based on FHIR R4. . For a full list of available versions, see the Directory of published versions 
Definitions for the codexrt-radiotherapy-energy-or-isotope extension.
| 1. Extension | |
| Definition | The radiation energy used for radiotherapy. The energy spectrum is characterized by the maximum energy, the maximum accelaration voltage, or the used isotope. |
| 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 | 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. The slices are unordered and Open, and can be differentiated using the following discriminators:
|
| 4. 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-energy-or-isotope |
| 5. Extension.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 | Choice of: CodeableConcept, Quantity(SimpleQuantity) |
| [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.value[x]. The slices are unordered and Closed, and can be differentiated using the following discriminators:
|
| 6. Extension.value[x]:valueQuantity | |
| SliceName | valueQuantity |
| Definition | The comparator is not used on a SimpleQuantity |
| Control | 0..1 This element is affected by the following invariants: ele-1 |
| Binding | The codes SHALL be taken from Unit to characterize Energy in Radiotherapy |
| Type | Quantity(SimpleQuantity) |
| [x] Note | See Choice of Data Types for further information about how to use [x] |
| Comments | 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. |
| Invariants | Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count())) qty-3: If a code for the unit is present, the system SHALL also be present (: code.empty() or system.exists()) sqty-1: The comparator is not used on a SimpleQuantity (: comparator.empty()) |
| 7. Extension.value[x]:valueCodeableConcept | |
| SliceName | valueCodeableConcept |
| Definition | Value of extension - must be one of a constrained set of the data types (see Extensibility for a list). |
| Control | 0..1 |
| Binding | The codes SHALL be taken from Radiotherapy Isotopes; other codes may be used where these codes are not suitable |
| Type | CodeableConcept |
| [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())) |
IG © 2021+ HL7 Cross Group Projects Work Group. Package hl7.fhir.us.codex-radiation-therapy#1.0.0-ballot based on FHIR 4.0.1. Generated 2022-08-08
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