| Package | hl7.fhir.us.codex-radiation-therapy |
| Type | StructureDefinition |
| Id | codexrt-radiobiologic-metric |
| FHIR Version | R4 |
| Source | http://hl7.org/fhir/us/codex-radiation-therapy/https://build.fhir.org/ig/HL7/codex-radiation-therapy/StructureDefinition-codexrt-radiobiologic-metric.html |
| URL | http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-radiobiologic-metric |
| Version | 2.0.0 |
| Status | active |
| Date | 2025-02-17T17:31:36+00:00 |
| Name | RadiobiologicMetric |
| Title | Radiobiologic Metric |
| Realm | us |
| Authority | hl7 |
| Description | Extension providing radiobiologic dose metric using a regular expression: BED, CGE, RBE, RBE(factor = \<decimal\>), EQD2Gy, EQD2Gy(a/b = \<decimal\>). |
| Type | Extension |
| Kind | complex-type |
| StructureDefinition | |
| codexrt-radiotherapy-course-prescription | Radiotherapy Course Prescription |
| codexrt-radiotherapy-course-summary | Radiotherapy Course Summary |
| codexrt-radiotherapy-phase-prescription | Radiotherapy Phase Prescription |
| codexrt-radiotherapy-plan-prescription | Radiotherapy Plan Prescription |
| codexrt-radiotherapy-planned-course | Radiotherapy Planned Course |
| codexrt-radiotherapy-planned-phase | Radiotherapy Planned Phase |
| codexrt-radiotherapy-treated-fraction | Radiotherapy Treated Fraction |
| codexrt-radiotherapy-treated-phase | Radiotherapy Treated Phase |
| codexrt-radiotherapy-treated-plan | Radiotherapy Treated Plan |
| codexrt-radiotherapy-treatment-plan | Radiotherapy Treatment Plan |
No resources found
Note: links and images are rebased to the (stated) source
Generated Narrative: StructureDefinition codexrt-radiobiologic-metric
| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
  Extension | 0..* | Extension | Radiotherapy Biologically Effective Dose | |
  extension | 0..0 | |||
| url | 1..1 | uri | "http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-radiobiologic-metric" | |
  value[x] | 1..1 | Quantity | Value of extension | |
 value | 1..1 | decimal | Numerical value (with implicit precision) | |
| unit | C | 1..1 | string | Unit representation TG263RadiobiologicMetric: Unit SHOULD match TG-263 Radiobiologic Metric Regexp |
| Documentation for this format | ||||
FHIR{
"resourceType": "StructureDefinition",
"id": "codexrt-radiobiologic-metric",
"text": {
"status": "extensions",
"div": "<!-- snip (see above) -->"
},
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
"valueCode": "cgp"
}
],
"url": "http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-radiobiologic-metric",
"identifier": [
{
"system": "urn:ietf:rfc:3986",
"value": "urn:oid:2.16.840.1.113883.4.642.40.14.42.4"
}
],
"version": "2.0.0",
"name": "RadiobiologicMetric",
"title": "Radiobiologic Metric",
"status": "active",
"date": "2025-02-17T17:31:36+00:00",
"publisher": "HL7 International / Cross-Group Projects",
"contact": [
{
"name": "HL7 International / Cross-Group Projects",
"telecom": [
{
"system": "url",
"value": "http://www.hl7.org/Special/committees/cgp"
},
{
"system": "email",
"value": "cgplist@lists.HL7.org"
}
]
}
],
"description": "Extension providing radiobiologic dose metric using a regular expression:\n BED,\n CGE,\n RBE,\n RBE(factor = \\<decimal\\>),\n EQD2Gy,\n EQD2Gy(a/b = \\<decimal\\>).",
"jurisdiction": [
{
"coding": [
{
"system": "urn:iso:std:iso:3166",
"code": "US",
"display": "United States of America"
}
]
}
],
"fhirVersion": "4.0.1",
"mapping": [
{
"identity": "rim",
"uri": "http://hl7.org/v3",
"name": "RIM Mapping"
}
],
"kind": "complex-type",
"abstract": false,
"context": [
{
"type": "element",
"expression": "Procedure"
},
{
"type": "element",
"expression": "ServiceRequest"
},
{
"type": "element",
"expression": "ActivityDefinition"
},
{
"type": "extension",
"expression": "http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-radiotherapy-dose-planned-to-volume"
},
{
"type": "extension",
"expression": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-dose-delivered-to-volume"
},
{
"type": "extension",
"expression": "http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-radiotherapy-dose-prescribed-to-volume"
}
],
"type": "Extension",
"baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
"derivation": "constraint",
"snapshot": {
"extension": [
{
"url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
"valueString": "4.0.1"
}
],
"element": [
{
"id": "Extension",
"path": "Extension",
"short": "Radiotherapy Biologically Effective Dose",
"definition": "Extension providing radiobiologic dose metric using a regular expression:\n BED,\n CGE,\n RBE,\n RBE(factor = \\<decimal\\>),\n EQD2Gy,\n EQD2Gy(a/b = \\<decimal\\>).",
"min": 0,
"max": "*",
"base": {
"path": "Extension",
"min": 0,
"max": "*"
},
"condition": [
"ele-1"
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
"isModifier": false
},
{
"id": "Extension.id",
"path": "Extension.id",
"representation": [
"xmlAttr"
],
"short": "Unique id for inter-element referencing",
"definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"min": 0,
"max": "1",
"base": {
"path": "Element.id",
"min": 0,
"max": "1"
},
"type": [
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl": "string"
}
],
"code": "http://hl7.org/fhirpath/System.String"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.extension",
"path": "Extension.extension",
"slicing": {
"discriminator": [
{
"type": "value",
"path": "url"
}
],
"description": "Extensions are always sliced by (at least) url",
"rules": "open"
},
"short": "Extension",
"definition": "An Extension",
"min": 0,
"max": "0",
"base": {
"path": "Element.extension",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Extension"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
"isModifier": false,
"isSummary": false
},
{
"id": "Extension.url",
"path": "Extension.url",
"representation": [
"xmlAttr"
],
"short": "identifies the meaning of the extension",
"definition": "Source of the definition for the extension code - a logical name or a URL.",
"comment": "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": 1,
"max": "1",
"base": {
"path": "Extension.url",
"min": 1,
"max": "1"
},
"type": [
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl": "uri"
}
],
"code": "http://hl7.org/fhirpath/System.String"
}
],
"fixedUri": "http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-radiobiologic-metric",
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"id": "Extension.value[x]",
"path": "Extension.value[x]",
"short": "Value of extension",
"definition": "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": 1,
"max": "1",
"base": {
"path": "Extension.value[x]",
"min": 0,
"max": "1"
},
"type": [
{
"code": "Quantity"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"id": "Extension.value[x].id",
"path": "Extension.value[x].id",
"representation": [
"xmlAttr"
],
"short": "Unique id for inter-element referencing",
"definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"min": 0,
"max": "1",
"base": {
"path": "Element.id",
"min": 0,
"max": "1"
},
"type": [
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl": "string"
}
],
"code": "http://hl7.org/fhirpath/System.String"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.value[x].extension",
"path": "Extension.value[x].extension",
"slicing": {
"discriminator": [
{
"type": "value",
"path": "url"
}
],
"description": "Extensions are always sliced by (at least) url",
"rules": "open"
},
"short": "Additional content defined by implementations",
"definition": "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": "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": [
"extensions",
"user content"
],
"min": 0,
"max": "*",
"base": {
"path": "Element.extension",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Extension"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.value[x].value",
"path": "Extension.value[x].value",
"short": "Numerical value (with implicit precision)",
"definition": "The value of the measured amount. The value includes an implicit precision in the presentation of the value.",
"comment": "The implicit precision in the value should always be honored. Monetary values have their own rules for handling precision (refer to standard accounting text books).",
"requirements": "Precision is handled implicitly in almost all cases of measurement.",
"min": 1,
"max": "1",
"base": {
"path": "Quantity.value",
"min": 0,
"max": "1"
},
"type": [
{
"code": "decimal"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": true,
"mapping": [
{
"identity": "v2",
"map": "SN.2 / CQ - N/A"
},
{
"identity": "rim",
"map": "PQ.value, CO.value, MO.value, IVL.high or IVL.low depending on the value"
}
]
},
{
"id": "Extension.value[x].comparator",
"path": "Extension.value[x].comparator",
"short": "< | <= | >= | > - how to understand the value",
"definition": "How the value should be understood and represented - whether the actual value is greater or less than the stated value due to measurement issues; e.g. if the comparator is \"<\" , then the real value is < stated value.",
"requirements": "Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology.",
"min": 0,
"max": "1",
"base": {
"path": "Quantity.comparator",
"min": 0,
"max": "1"
},
"type": [
{
"code": "code"
}
],
"meaningWhenMissing": "If there is no comparator, then there is no modification of the value",
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": true,
"isModifierReason": "This is labeled as \"Is Modifier\" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value",
"isSummary": true,
"binding": {
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
"valueString": "QuantityComparator"
}
],
"strength": "required",
"description": "How the Quantity should be understood and represented.",
"valueSet": "http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1"
},
"mapping": [
{
"identity": "v2",
"map": "SN.1 / CQ.1"
},
{
"identity": "rim",
"map": "IVL properties"
}
]
},
{
"id": "Extension.value[x].unit",
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable",
"valueBoolean": true
}
],
"path": "Extension.value[x].unit",
"short": "Unit representation",
"definition": "A human-readable form of the unit.",
"requirements": "There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms.",
"min": 1,
"max": "1",
"base": {
"path": "Quantity.unit",
"min": 0,
"max": "1"
},
"type": [
{
"code": "string"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key": "TG263RadiobiologicMetric",
"severity": "warning",
"human": "Unit SHOULD match TG-263 Radiobiologic Metric Regexp",
"expression": "$this.toString().matches('^(BED|CGE|RBE|RBE\\\\(factor\\\\s*=\\\\s*(\\\\d?(\\\\.\\\\d+)?)\\\\)|EQD2Gy|EQD2Gy\\\\(a\\\\/b\\\\s*=\\\\s*(\\\\d?(\\\\.\\\\d+)?)\\\\))[%content%]#39;)",
"source": "http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-radiobiologic-metric"
}
],
"isModifier": false,
"isSummary": true,
"mapping": [
{
"identity": "v2",
"map": "(see OBX.6 etc.) / CQ.2"
},
{
"identity": "rim",
"map": "PQ.unit"
}
]
},
{
"id": "Extension.value[x].system",
"path": "Extension.value[x].system",
"short": "System that defines coded unit form",
"definition": "The identification of the system that provides the coded form of the unit.",
"requirements": "Need to know the system that defines the coded form of the unit.",
"min": 0,
"max": "1",
"base": {
"path": "Quantity.system",
"min": 0,
"max": "1"
},
"type": [
{
"code": "uri"
}
],
"condition": [
"qty-3"
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": true,
"mapping": [
{
"identity": "v2",
"map": "(see OBX.6 etc.) / CQ.2"
},
{
"identity": "rim",
"map": "CO.codeSystem, PQ.translation.codeSystem"
}
]
},
{
"id": "Extension.value[x].code",
"path": "Extension.value[x].code",
"short": "Coded form of the unit",
"definition": "A computer processable form of the unit in some unit representation system.",
"comment": "The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency. The context of use may additionally require a code from a particular system.",
"requirements": "Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest.",
"min": 0,
"max": "1",
"base": {
"path": "Quantity.code",
"min": 0,
"max": "1"
},
"type": [
{
"code": "code"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": true,
"mapping": [
{
"identity": "v2",
"map": "(see OBX.6 etc.) / CQ.2"
},
{
"identity": "rim",
"map": "PQ.code, MO.currency, PQ.translation.code"
}
]
}
]
},
"differential": {
"element": [
{
"id": "Extension",
"path": "Extension",
"short": "Radiotherapy Biologically Effective Dose",
"definition": "Extension providing radiobiologic dose metric using a regular expression:\n BED,\n CGE,\n RBE,\n RBE(factor = \\<decimal\\>),\n EQD2Gy,\n EQD2Gy(a/b = \\<decimal\\>)."
},
{
"id": "Extension.extension",
"path": "Extension.extension",
"max": "0"
},
{
"id": "Extension.url",
"path": "Extension.url",
"fixedUri": "http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-radiobiologic-metric"
},
{
"id": "Extension.value[x]",
"path": "Extension.value[x]",
"min": 1,
"type": [
{
"code": "Quantity"
}
]
},
{
"id": "Extension.value[x].value",
"path": "Extension.value[x].value",
"min": 1
},
{
"id": "Extension.value[x].unit",
"path": "Extension.value[x].unit",
"min": 1,
"constraint": [
{
"key": "TG263RadiobiologicMetric",
"severity": "warning",
"human": "Unit SHOULD match TG-263 Radiobiologic Metric Regexp",
"expression": "$this.toString().matches('^(BED|CGE|RBE|RBE\\\\(factor\\\\s*=\\\\s*(\\\\d?(\\\\.\\\\d+)?)\\\\)|EQD2Gy|EQD2Gy\\\\(a\\\\/b\\\\s*=\\\\s*(\\\\d?(\\\\.\\\\d+)?)\\\\))[%content%]#39;)",
"source": "http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-radiobiologic-metric"
}
]
}
]
}
}