IDEA4RC FHIR Implementation Guide
0.1.0 - CI Build
150
IDEA4RC FHIR Implementation Guide
0.1.0 - CI Build
150
IDEA4RC FHIR Implementation Guide, published by IDEA4RC Project. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/hl7-eu/idea4rc/ and changes regularly. See the Directory of published versions
| Draft as of 2025-07-25 |
Definitions for the DiseaseExtent logical model.
Guidance on how to interpret the contents of this table can be foundhere
| 0. DiseaseExtent | |||||||
| Definition | Disease Extent Maturity Level: 0 Draft | ||||||
| Short | Disease Extent | ||||||
| Control | 0..* | ||||||
| Is Modifier | false | ||||||
| Logical Model | Instances of this logical model are not marked to be the target of a Reference | ||||||
| 2. DiseaseExtent.episodeEvent | |||||||
| Definition | EpisodeEvent element containing the data regarding the patient's cancer | ||||||
| Short | Episode Event Reference (M) | ||||||
| Control | 1..* | ||||||
| Type | http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/EpisodeEvent | ||||||
| Obligations |
| ||||||
| 4. DiseaseExtent.localised | |||||||
| Definition | Describes if there disease is local Localised and Number of tumor modules are variables that work together | ||||||
| Short | Localised (M) | ||||||
| Comments | Confined disease - 32942 | ||||||
| Control | 1..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 6. DiseaseExtent.numberOfTumorNodules | |||||||
| Definition | Indicates the number of tumor nodules in the case the disease is localised Localised and Number of tumor modules are variables that work together | ||||||
| Short | Number of tumor nodules (R) | ||||||
| Comments | Number of tumor nodules - 4228659 | ||||||
| Control | 0..* | ||||||
| Type | integer | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 8. DiseaseExtent.locoRegional | |||||||
| Definition | Indicates if the disease is in a loco-regional extent | ||||||
| Short | Loco-regional (M) | ||||||
| Comments | Invasive Disease - 32943 | ||||||
| Control | 1..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 10. DiseaseExtent.isTransitMetastasisWithClinicalConfirmation | |||||||
| Definition | Indicates spread of cancer cells through lymphatic vessels, where they lodge and grow in tissues located between the primary tumor and the nearest regional lymph nodes. | ||||||
| Short | Is Transit metastasis with clinical confirmation (M) | ||||||
| Comments | Transit Metastasis with Clinical Confirmation - 36769249 | ||||||
| Control | 1..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 12. DiseaseExtent.isMultifocalTumor | |||||||
| Definition | Presence of multiple distinct tumor foci (or nodules) within the same organ or tissue, originating from the same primary tumor type. These foci may arise through independent tumorigenesis (multiple primary lesions) or local spread of the same cancer. | ||||||
| Short | Is Multifocal tumor (M) | ||||||
| Comments | Multifocal Tumor - 36769933 | ||||||
| Control | 1..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 14. DiseaseExtent.regionalNodalMetastases | |||||||
| Definition | Describes if regional nodal mestastases happened | ||||||
| Short | Regional nodal metastases (M) | ||||||
| Comments | Regional spread to lymph node - 36769269 | ||||||
| Control | 1..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 16. DiseaseExtent.sites | |||||||
| Definition | Describes if site of metastasic disease is soft tissue | ||||||
| Short | sites (R) | ||||||
| Control | 0..* | ||||||
| Type | BackboneElement | ||||||
| Obligations |
| ||||||
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) | ||||||
| 18. DiseaseExtent.sites.id | |||||||
| Definition | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. | ||||||
| Short | Unique id for inter-element referencing | ||||||
| Control | 0..1 | ||||||
| Type | string | ||||||
| Is Modifier | false | ||||||
| XML Format | In the XML format, this property is represented as an attribute. | ||||||
| Summary | false | ||||||
| 20. DiseaseExtent.sites.extension | |||||||
| 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. | ||||||
| Short | Additional content defined by implementations | ||||||
| Comments | 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. | ||||||
| Control | 0..* | ||||||
| Type | Extension | ||||||
| Is Modifier | false | ||||||
| Summary | false | ||||||
| Alternate Names | extensions, user content | ||||||
| Invariants | 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 DiseaseExtent.sites.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators: | ||||||
| 22. DiseaseExtent.sites.modifierExtension | |||||||
| Definition | May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. 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. Applications processing a resource are required to check for modifier extensions. Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself). | ||||||
| Short | Extensions that cannot be ignored even if unrecognized | ||||||
| Comments | 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. | ||||||
| Control | 0..* | ||||||
| Type | Extension | ||||||
| Is Modifier | true because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them | ||||||
| Summary | true | ||||||
| Requirements | Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions. | ||||||
| Alternate Names | extensions, user content, modifiers | ||||||
| Invariants | 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()) | ||||||
| 24. DiseaseExtent.sites.softTissue | |||||||
| Definition | Describes if site of metastasic disease is soft tissue | ||||||
| Short | Soft tissue (R) | ||||||
| Comments | Metastasis to soft tissues - 35225724 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 26. DiseaseExtent.sites.distantLymphNode | |||||||
| Definition | Describes if site of metastasic disease is dystan lymph node | ||||||
| Short | distant lymph node (R) | ||||||
| Comments | Distant spread to lymph node - 36769243 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 28. DiseaseExtent.sites.lung | |||||||
| Definition | Describes if site of metastasic disease is lung | ||||||
| Short | lung (R) | ||||||
| Comments | Metastasis to lung - 36770283 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 30. DiseaseExtent.sites.metastasisatbone | |||||||
| Definition | Describes if site of metastasic disease is bone | ||||||
| Short | metastasisAtBone (R) | ||||||
| Comments | Metastasis to bone - 36769301 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 32. DiseaseExtent.sites.liver | |||||||
| Definition | Describes if site of metastasic disease is liver | ||||||
| Short | liver (R) | ||||||
| Comments | Metastasis to liver - 36770544 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 34. DiseaseExtent.sites.pleura | |||||||
| Definition | Describes if site of metastasic disease is pleura | ||||||
| Short | pleura (R) | ||||||
| Comments | Metastasis to pleura - 35226258 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 36. DiseaseExtent.sites.peritoneum | |||||||
| Definition | Describes if site of metastasic disease is peritoneum | ||||||
| Short | peritoneum (R) | ||||||
| Comments | Metastasis to peritoneum - 35226253 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 38. DiseaseExtent.sites.brain | |||||||
| Definition | Describes if site of metastasic disease is brain | ||||||
| Short | brain (R) | ||||||
| Comments | Metastasis to brain - 36768862 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 40. DiseaseExtent.sites.otherViscera | |||||||
| Definition | Describes if site of metastasic disease is other viscera Use the generic metastasis code or a metastasis subsumed in it, 36769180 | ||||||
| Short | other viscera (R) | ||||||
| Comments | Metastasis - 36769180 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
Guidance on how to interpret the contents of this table can be foundhere
| 0. DiseaseExtent | |||||||
| Definition | Disease Extent Maturity Level: 0 Draft | ||||||
| Short | Disease Extent | ||||||
| Logical Model | Instances of this logical model are not marked to be the target of a Reference | ||||||
| 2. DiseaseExtent.episodeEvent | |||||||
| Definition | EpisodeEvent element containing the data regarding the patient's cancer | ||||||
| Short | Episode Event Reference (M) | ||||||
| Control | 1..* | ||||||
| Type | http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/EpisodeEvent | ||||||
| Obligations |
| ||||||
| 4. DiseaseExtent.localised | |||||||
| Definition | Describes if there disease is local Localised and Number of tumor modules are variables that work together | ||||||
| Short | Localised (M) | ||||||
| Comments | Confined disease - 32942 | ||||||
| Control | 1..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 6. DiseaseExtent.numberOfTumorNodules | |||||||
| Definition | Indicates the number of tumor nodules in the case the disease is localised Localised and Number of tumor modules are variables that work together | ||||||
| Short | Number of tumor nodules (R) | ||||||
| Comments | Number of tumor nodules - 4228659 | ||||||
| Control | 0..* | ||||||
| Type | integer | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 8. DiseaseExtent.locoRegional | |||||||
| Definition | Indicates if the disease is in a loco-regional extent | ||||||
| Short | Loco-regional (M) | ||||||
| Comments | Invasive Disease - 32943 | ||||||
| Control | 1..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 10. DiseaseExtent.isTransitMetastasisWithClinicalConfirmation | |||||||
| Definition | Indicates spread of cancer cells through lymphatic vessels, where they lodge and grow in tissues located between the primary tumor and the nearest regional lymph nodes. | ||||||
| Short | Is Transit metastasis with clinical confirmation (M) | ||||||
| Comments | Transit Metastasis with Clinical Confirmation - 36769249 | ||||||
| Control | 1..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 12. DiseaseExtent.isMultifocalTumor | |||||||
| Definition | Presence of multiple distinct tumor foci (or nodules) within the same organ or tissue, originating from the same primary tumor type. These foci may arise through independent tumorigenesis (multiple primary lesions) or local spread of the same cancer. | ||||||
| Short | Is Multifocal tumor (M) | ||||||
| Comments | Multifocal Tumor - 36769933 | ||||||
| Control | 1..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 14. DiseaseExtent.regionalNodalMetastases | |||||||
| Definition | Describes if regional nodal mestastases happened | ||||||
| Short | Regional nodal metastases (M) | ||||||
| Comments | Regional spread to lymph node - 36769269 | ||||||
| Control | 1..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 16. DiseaseExtent.sites | |||||||
| Definition | Describes if site of metastasic disease is soft tissue | ||||||
| Short | sites (R) | ||||||
| Control | 0..* | ||||||
| Type | BackboneElement | ||||||
| Obligations |
| ||||||
| 18. DiseaseExtent.sites.softTissue | |||||||
| Definition | Describes if site of metastasic disease is soft tissue | ||||||
| Short | Soft tissue (R) | ||||||
| Comments | Metastasis to soft tissues - 35225724 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 20. DiseaseExtent.sites.distantLymphNode | |||||||
| Definition | Describes if site of metastasic disease is dystan lymph node | ||||||
| Short | distant lymph node (R) | ||||||
| Comments | Distant spread to lymph node - 36769243 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 22. DiseaseExtent.sites.lung | |||||||
| Definition | Describes if site of metastasic disease is lung | ||||||
| Short | lung (R) | ||||||
| Comments | Metastasis to lung - 36770283 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 24. DiseaseExtent.sites.metastasisatbone | |||||||
| Definition | Describes if site of metastasic disease is bone | ||||||
| Short | metastasisAtBone (R) | ||||||
| Comments | Metastasis to bone - 36769301 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 26. DiseaseExtent.sites.liver | |||||||
| Definition | Describes if site of metastasic disease is liver | ||||||
| Short | liver (R) | ||||||
| Comments | Metastasis to liver - 36770544 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 28. DiseaseExtent.sites.pleura | |||||||
| Definition | Describes if site of metastasic disease is pleura | ||||||
| Short | pleura (R) | ||||||
| Comments | Metastasis to pleura - 35226258 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 30. DiseaseExtent.sites.peritoneum | |||||||
| Definition | Describes if site of metastasic disease is peritoneum | ||||||
| Short | peritoneum (R) | ||||||
| Comments | Metastasis to peritoneum - 35226253 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 32. DiseaseExtent.sites.brain | |||||||
| Definition | Describes if site of metastasic disease is brain | ||||||
| Short | brain (R) | ||||||
| Comments | Metastasis to brain - 36768862 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 34. DiseaseExtent.sites.otherViscera | |||||||
| Definition | Describes if site of metastasic disease is other viscera Use the generic metastasis code or a metastasis subsumed in it, 36769180 | ||||||
| Short | other viscera (R) | ||||||
| Comments | Metastasis - 36769180 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
Guidance on how to interpret the contents of this table can be foundhere
| 0. DiseaseExtent | |||||||
| Definition | Disease Extent Maturity Level: 0 Draft | ||||||
| Short | Disease Extent | ||||||
| Control | 0..* | ||||||
| Is Modifier | false | ||||||
| Logical Model | Instances of this logical model are not marked to be the target of a Reference | ||||||
| 2. DiseaseExtent.episodeEvent | |||||||
| Definition | EpisodeEvent element containing the data regarding the patient's cancer | ||||||
| Short | Episode Event Reference (M) | ||||||
| Control | 1..* | ||||||
| Type | http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/EpisodeEvent | ||||||
| Obligations |
| ||||||
| 4. DiseaseExtent.localised | |||||||
| Definition | Describes if there disease is local Localised and Number of tumor modules are variables that work together | ||||||
| Short | Localised (M) | ||||||
| Comments | Confined disease - 32942 | ||||||
| Control | 1..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 6. DiseaseExtent.numberOfTumorNodules | |||||||
| Definition | Indicates the number of tumor nodules in the case the disease is localised Localised and Number of tumor modules are variables that work together | ||||||
| Short | Number of tumor nodules (R) | ||||||
| Comments | Number of tumor nodules - 4228659 | ||||||
| Control | 0..* | ||||||
| Type | integer | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 8. DiseaseExtent.locoRegional | |||||||
| Definition | Indicates if the disease is in a loco-regional extent | ||||||
| Short | Loco-regional (M) | ||||||
| Comments | Invasive Disease - 32943 | ||||||
| Control | 1..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 10. DiseaseExtent.isTransitMetastasisWithClinicalConfirmation | |||||||
| Definition | Indicates spread of cancer cells through lymphatic vessels, where they lodge and grow in tissues located between the primary tumor and the nearest regional lymph nodes. | ||||||
| Short | Is Transit metastasis with clinical confirmation (M) | ||||||
| Comments | Transit Metastasis with Clinical Confirmation - 36769249 | ||||||
| Control | 1..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 12. DiseaseExtent.isMultifocalTumor | |||||||
| Definition | Presence of multiple distinct tumor foci (or nodules) within the same organ or tissue, originating from the same primary tumor type. These foci may arise through independent tumorigenesis (multiple primary lesions) or local spread of the same cancer. | ||||||
| Short | Is Multifocal tumor (M) | ||||||
| Comments | Multifocal Tumor - 36769933 | ||||||
| Control | 1..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 14. DiseaseExtent.regionalNodalMetastases | |||||||
| Definition | Describes if regional nodal mestastases happened | ||||||
| Short | Regional nodal metastases (M) | ||||||
| Comments | Regional spread to lymph node - 36769269 | ||||||
| Control | 1..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 16. DiseaseExtent.sites | |||||||
| Definition | Describes if site of metastasic disease is soft tissue | ||||||
| Short | sites (R) | ||||||
| Control | 0..* | ||||||
| Type | BackboneElement | ||||||
| Obligations |
| ||||||
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) | ||||||
| 18. DiseaseExtent.sites.id | |||||||
| Definition | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. | ||||||
| Short | Unique id for inter-element referencing | ||||||
| Control | 0..1 | ||||||
| Type | string | ||||||
| Is Modifier | false | ||||||
| XML Format | In the XML format, this property is represented as an attribute. | ||||||
| Summary | false | ||||||
| 20. DiseaseExtent.sites.extension | |||||||
| 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. | ||||||
| Short | Additional content defined by implementations | ||||||
| Comments | 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. | ||||||
| Control | 0..* | ||||||
| Type | Extension | ||||||
| Is Modifier | false | ||||||
| Summary | false | ||||||
| Alternate Names | extensions, user content | ||||||
| Invariants | 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 DiseaseExtent.sites.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators: | ||||||
| 22. DiseaseExtent.sites.modifierExtension | |||||||
| Definition | May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. 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. Applications processing a resource are required to check for modifier extensions. Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself). | ||||||
| Short | Extensions that cannot be ignored even if unrecognized | ||||||
| Comments | 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. | ||||||
| Control | 0..* | ||||||
| Type | Extension | ||||||
| Is Modifier | true because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them | ||||||
| Summary | true | ||||||
| Requirements | Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions. | ||||||
| Alternate Names | extensions, user content, modifiers | ||||||
| Invariants | 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()) | ||||||
| 24. DiseaseExtent.sites.softTissue | |||||||
| Definition | Describes if site of metastasic disease is soft tissue | ||||||
| Short | Soft tissue (R) | ||||||
| Comments | Metastasis to soft tissues - 35225724 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 26. DiseaseExtent.sites.distantLymphNode | |||||||
| Definition | Describes if site of metastasic disease is dystan lymph node | ||||||
| Short | distant lymph node (R) | ||||||
| Comments | Distant spread to lymph node - 36769243 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 28. DiseaseExtent.sites.lung | |||||||
| Definition | Describes if site of metastasic disease is lung | ||||||
| Short | lung (R) | ||||||
| Comments | Metastasis to lung - 36770283 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 30. DiseaseExtent.sites.metastasisatbone | |||||||
| Definition | Describes if site of metastasic disease is bone | ||||||
| Short | metastasisAtBone (R) | ||||||
| Comments | Metastasis to bone - 36769301 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 32. DiseaseExtent.sites.liver | |||||||
| Definition | Describes if site of metastasic disease is liver | ||||||
| Short | liver (R) | ||||||
| Comments | Metastasis to liver - 36770544 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 34. DiseaseExtent.sites.pleura | |||||||
| Definition | Describes if site of metastasic disease is pleura | ||||||
| Short | pleura (R) | ||||||
| Comments | Metastasis to pleura - 35226258 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 36. DiseaseExtent.sites.peritoneum | |||||||
| Definition | Describes if site of metastasic disease is peritoneum | ||||||
| Short | peritoneum (R) | ||||||
| Comments | Metastasis to peritoneum - 35226253 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 38. DiseaseExtent.sites.brain | |||||||
| Definition | Describes if site of metastasic disease is brain | ||||||
| Short | brain (R) | ||||||
| Comments | Metastasis to brain - 36768862 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
| 40. DiseaseExtent.sites.otherViscera | |||||||
| Definition | Describes if site of metastasic disease is other viscera Use the generic metastasis code or a metastasis subsumed in it, 36769180 | ||||||
| Short | other viscera (R) | ||||||
| Comments | Metastasis - 36769180 | ||||||
| Control | 0..* | ||||||
| Type | boolean | ||||||
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | ||||||
| Obligations |
| ||||||
IG © 2022+ IDEA4RC Project. Package hl7.eu.fhir.idea4rc#0.1.0 based on FHIR 4.0.1. Generated 2025-07-25
Links: Table of Contents |
QA Report
The IDEA4RC project has received funding from the European Union's Horizon 2020
research and innovation programme under grant agreement No. 101057048.
