IDEA4RC FHIR Implementation Guide
1.0.0 - release
150
IDEA4RC FHIR Implementation Guide
1.0.0 - release
150
This page is part of the IDEA4RC FHIR Implementation Guide (v1.0.0: QA Preview) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version. For a full list of available versions, see the Directory of published versions
| Official URL: http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/Radiotherapy | Version: 1.0.0 | |||
| Active as of 2026-09-17 | Computable Name: RadiotherapyI4RC | |||
Radiotherapy Maturity Level: 0 Draft
Usages:
You can also check for usages in the FHIR IG Statistics
Description of Profiles, Differentials, Snapshots and how the different presentations work.
| Name | Flags | Card. | Type | Description & Constraints Filter:   | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
  Radiotherapy |
0..* | Base | Radiotherapy | |||||||
  diagnosisReference |
O | 1..* | Diagnosis | Diagnosis reference (M)
| ||||||
| episodeEventReference |
O | 1..* | EpisodeEvent | Episode Event reference (M)
| ||||||
 radiotherapyHospital |
O | 1..* | string | Radiotherapy Hospital (M)
| ||||||
 intent |
O | 1..* | CodeableConcept | Intent (M)
| ||||||
| setting |
O | 0..* | CodeableConcept | Setting (M (only if Intent is Curative OR Unknown))
| ||||||
| beamQuality |
O | 1..* | CodeableConcept | Beam quality (M)
| ||||||
| other |
O | 0..* | string | Other; specify (O)
| ||||||
| treatmentTechnique |
O | 1..* | CodeableConcept | Treatment technique (M)
| ||||||
| totalDoseGy |
O | 1..* | Quantity | Total Dose (TD) Gy (M)
| ||||||
| totalHighDose |
O | 0..* | Quantity | Total High Dose (Gy) (R)
| ||||||
| numberOfFractions |
O | 1..* | Quantity | Number of fractions (M)
| ||||||
| adaptiveRt |
O | 0..* | boolean | Adaptive RT (O)
| ||||||
| igrt |
O | 0..* | boolean | IGRT (image guide radiotherapy) (O)
| ||||||
| reirradiation |
O | 0..* | boolean | Reirradiation (local or regional) (O)
| ||||||
| fieldOfReirradiation |
O | 0..* | CodeableConcept | Field of Re-irradiation (O)
| ||||||
| startDate |
O | 1..* | date | Start date (M)
| ||||||
| endDate |
O | 1..* | date | End date (M)
| ||||||
| treatmentSitePrimaryOnly |
O | 0..* | boolean | Treatment site primary only (M (suggest to modify the label into Primary only))
| ||||||
| treatmentSiteNeckOnly |
O | 0..* | boolean | Treatment site neck only (M (suggest to modify the label into Neck only))
| ||||||
| treatmentSitePrimaryAndIpsilateralNeck |
O | 1..* | boolean | Treatment site primary and ipsilateral neck (M)
| ||||||
| treatmentSitePrimaryAndBilateralNeck |
O | 1..* | boolean | Treatment site primary and bilateral neck (M)
| ||||||
| treatmentSiteDistantMetastasis |
O | 1..* | boolean | Treatment site distant metastasis (M)
| ||||||
| otherTreatmentSite |
O | 0..* | CodeableConcept | Other Treatment Site (O)
| ||||||
| metastaticTreatmentSiteLung |
O | 0..* | boolean | Metastatic treatment site lung (R)
| ||||||
| metastaticTreatmentSiteMediastinum |
O | 0..* | boolean | Metastatic treatment site mediastinum (R)
| ||||||
| metastaticTreatmentSiteBone |
O | 0..* | boolean | Metastatic treatment site bone (R)
| ||||||
| metastaticTreatmentSiteSoftTissue |
O | 0..* | boolean | Metastatic treatment site soft tissue (R)
| ||||||
| metastaticTreatmentSiteLiver |
O | 0..* | boolean | Metastatic treatment site liver (R)
| ||||||
| rtTreatmentCompletedAsPlanned |
O | 1..* | CodeableConcept | RT Treatment Completed as Planned? (M)
| ||||||
| regionalDeepHyperthemia |
O | 1..* | CodeableConcept | Regional deep hyperthemia (M)
| ||||||
 treatmentResponse |
O | 0..* | CodeableConcept | Treatment response (R)
| ||||||
| Documentation for this format | ||||||||||
This structure is derived from Base
| Name | Flags | Card. | Type | Description & Constraints Filter: | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Radiotherapy |
0..* | Base | Radiotherapy | |||||||
| diagnosisReference |
O | 1..* | Diagnosis | Diagnosis reference (M)
| ||||||
| episodeEventReference |
O | 1..* | EpisodeEvent | Episode Event reference (M)
| ||||||
| radiotherapyHospital |
O | 1..* | string | Radiotherapy Hospital (M)
| ||||||
| intent |
O | 1..* | CodeableConcept | Intent (M)
| ||||||
| setting |
O | 0..* | CodeableConcept | Setting (M (only if Intent is Curative OR Unknown))
| ||||||
| beamQuality |
O | 1..* | CodeableConcept | Beam quality (M)
| ||||||
| other |
O | 0..* | string | Other; specify (O)
| ||||||
| treatmentTechnique |
O | 1..* | CodeableConcept | Treatment technique (M)
| ||||||
| totalDoseGy |
O | 1..* | Quantity | Total Dose (TD) Gy (M)
| ||||||
| totalHighDose |
O | 0..* | Quantity | Total High Dose (Gy) (R)
| ||||||
| numberOfFractions |
O | 1..* | Quantity | Number of fractions (M)
| ||||||
| adaptiveRt |
O | 0..* | boolean | Adaptive RT (O)
| ||||||
| igrt |
O | 0..* | boolean | IGRT (image guide radiotherapy) (O)
| ||||||
| reirradiation |
O | 0..* | boolean | Reirradiation (local or regional) (O)
| ||||||
| fieldOfReirradiation |
O | 0..* | CodeableConcept | Field of Re-irradiation (O)
| ||||||
| startDate |
O | 1..* | date | Start date (M)
| ||||||
| endDate |
O | 1..* | date | End date (M)
| ||||||
| treatmentSitePrimaryOnly |
O | 0..* | boolean | Treatment site primary only (M (suggest to modify the label into Primary only))
| ||||||
| treatmentSiteNeckOnly |
O | 0..* | boolean | Treatment site neck only (M (suggest to modify the label into Neck only))
| ||||||
| treatmentSitePrimaryAndIpsilateralNeck |
O | 1..* | boolean | Treatment site primary and ipsilateral neck (M)
| ||||||
| treatmentSitePrimaryAndBilateralNeck |
O | 1..* | boolean | Treatment site primary and bilateral neck (M)
| ||||||
| treatmentSiteDistantMetastasis |
O | 1..* | boolean | Treatment site distant metastasis (M)
| ||||||
| otherTreatmentSite |
O | 0..* | CodeableConcept | Other Treatment Site (O)
| ||||||
| metastaticTreatmentSiteLung |
O | 0..* | boolean | Metastatic treatment site lung (R)
| ||||||
| metastaticTreatmentSiteMediastinum |
O | 0..* | boolean | Metastatic treatment site mediastinum (R)
| ||||||
| metastaticTreatmentSiteBone |
O | 0..* | boolean | Metastatic treatment site bone (R)
| ||||||
| metastaticTreatmentSiteSoftTissue |
O | 0..* | boolean | Metastatic treatment site soft tissue (R)
| ||||||
| metastaticTreatmentSiteLiver |
O | 0..* | boolean | Metastatic treatment site liver (R)
| ||||||
| rtTreatmentCompletedAsPlanned |
O | 1..* | CodeableConcept | RT Treatment Completed as Planned? (M)
| ||||||
| regionalDeepHyperthemia |
O | 1..* | CodeableConcept | Regional deep hyperthemia (M)
| ||||||
| treatmentResponse |
O | 0..* | CodeableConcept | Treatment response (R)
| ||||||
| Documentation for this format | ||||||||||
| Name | Flags | Card. | Type | Description & Constraints Filter: | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Radiotherapy |
0..* | Base | Radiotherapy | |||||||
| diagnosisReference |
O | 1..* | Diagnosis | Diagnosis reference (M)
| ||||||
| episodeEventReference |
O | 1..* | EpisodeEvent | Episode Event reference (M)
| ||||||
| radiotherapyHospital |
O | 1..* | string | Radiotherapy Hospital (M)
| ||||||
| intent |
O | 1..* | CodeableConcept | Intent (M)
| ||||||
| setting |
O | 0..* | CodeableConcept | Setting (M (only if Intent is Curative OR Unknown))
| ||||||
| beamQuality |
O | 1..* | CodeableConcept | Beam quality (M)
| ||||||
| other |
O | 0..* | string | Other; specify (O)
| ||||||
| treatmentTechnique |
O | 1..* | CodeableConcept | Treatment technique (M)
| ||||||
| totalDoseGy |
O | 1..* | Quantity | Total Dose (TD) Gy (M)
| ||||||
| totalHighDose |
O | 0..* | Quantity | Total High Dose (Gy) (R)
| ||||||
| numberOfFractions |
O | 1..* | Quantity | Number of fractions (M)
| ||||||
| adaptiveRt |
O | 0..* | boolean | Adaptive RT (O)
| ||||||
| igrt |
O | 0..* | boolean | IGRT (image guide radiotherapy) (O)
| ||||||
| reirradiation |
O | 0..* | boolean | Reirradiation (local or regional) (O)
| ||||||
| fieldOfReirradiation |
O | 0..* | CodeableConcept | Field of Re-irradiation (O)
| ||||||
| startDate |
O | 1..* | date | Start date (M)
| ||||||
| endDate |
O | 1..* | date | End date (M)
| ||||||
| treatmentSitePrimaryOnly |
O | 0..* | boolean | Treatment site primary only (M (suggest to modify the label into Primary only))
| ||||||
| treatmentSiteNeckOnly |
O | 0..* | boolean | Treatment site neck only (M (suggest to modify the label into Neck only))
| ||||||
| treatmentSitePrimaryAndIpsilateralNeck |
O | 1..* | boolean | Treatment site primary and ipsilateral neck (M)
| ||||||
| treatmentSitePrimaryAndBilateralNeck |
O | 1..* | boolean | Treatment site primary and bilateral neck (M)
| ||||||
| treatmentSiteDistantMetastasis |
O | 1..* | boolean | Treatment site distant metastasis (M)
| ||||||
| otherTreatmentSite |
O | 0..* | CodeableConcept | Other Treatment Site (O)
| ||||||
| metastaticTreatmentSiteLung |
O | 0..* | boolean | Metastatic treatment site lung (R)
| ||||||
| metastaticTreatmentSiteMediastinum |
O | 0..* | boolean | Metastatic treatment site mediastinum (R)
| ||||||
| metastaticTreatmentSiteBone |
O | 0..* | boolean | Metastatic treatment site bone (R)
| ||||||
| metastaticTreatmentSiteSoftTissue |
O | 0..* | boolean | Metastatic treatment site soft tissue (R)
| ||||||
| metastaticTreatmentSiteLiver |
O | 0..* | boolean | Metastatic treatment site liver (R)
| ||||||
| rtTreatmentCompletedAsPlanned |
O | 1..* | CodeableConcept | RT Treatment Completed as Planned? (M)
| ||||||
| regionalDeepHyperthemia |
O | 1..* | CodeableConcept | Regional deep hyperthemia (M)
| ||||||
| treatmentResponse |
O | 0..* | CodeableConcept | Treatment response (R)
| ||||||
| Documentation for this format | ||||||||||
This structure is derived from Base
Key Elements View
| Name | Flags | Card. | Type | Description & Constraints Filter: | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Radiotherapy |
0..* | Base | Radiotherapy | |||||||
| diagnosisReference |
O | 1..* | Diagnosis | Diagnosis reference (M)
| ||||||
| episodeEventReference |
O | 1..* | EpisodeEvent | Episode Event reference (M)
| ||||||
| radiotherapyHospital |
O | 1..* | string | Radiotherapy Hospital (M)
| ||||||
| intent |
O | 1..* | CodeableConcept | Intent (M)
| ||||||
| setting |
O | 0..* | CodeableConcept | Setting (M (only if Intent is Curative OR Unknown))
| ||||||
| beamQuality |
O | 1..* | CodeableConcept | Beam quality (M)
| ||||||
| other |
O | 0..* | string | Other; specify (O)
| ||||||
| treatmentTechnique |
O | 1..* | CodeableConcept | Treatment technique (M)
| ||||||
| totalDoseGy |
O | 1..* | Quantity | Total Dose (TD) Gy (M)
| ||||||
| totalHighDose |
O | 0..* | Quantity | Total High Dose (Gy) (R)
| ||||||
| numberOfFractions |
O | 1..* | Quantity | Number of fractions (M)
| ||||||
| adaptiveRt |
O | 0..* | boolean | Adaptive RT (O)
| ||||||
| igrt |
O | 0..* | boolean | IGRT (image guide radiotherapy) (O)
| ||||||
| reirradiation |
O | 0..* | boolean | Reirradiation (local or regional) (O)
| ||||||
| fieldOfReirradiation |
O | 0..* | CodeableConcept | Field of Re-irradiation (O)
| ||||||
| startDate |
O | 1..* | date | Start date (M)
| ||||||
| endDate |
O | 1..* | date | End date (M)
| ||||||
| treatmentSitePrimaryOnly |
O | 0..* | boolean | Treatment site primary only (M (suggest to modify the label into Primary only))
| ||||||
| treatmentSiteNeckOnly |
O | 0..* | boolean | Treatment site neck only (M (suggest to modify the label into Neck only))
| ||||||
| treatmentSitePrimaryAndIpsilateralNeck |
O | 1..* | boolean | Treatment site primary and ipsilateral neck (M)
| ||||||
| treatmentSitePrimaryAndBilateralNeck |
O | 1..* | boolean | Treatment site primary and bilateral neck (M)
| ||||||
| treatmentSiteDistantMetastasis |
O | 1..* | boolean | Treatment site distant metastasis (M)
| ||||||
| otherTreatmentSite |
O | 0..* | CodeableConcept | Other Treatment Site (O)
| ||||||
| metastaticTreatmentSiteLung |
O | 0..* | boolean | Metastatic treatment site lung (R)
| ||||||
| metastaticTreatmentSiteMediastinum |
O | 0..* | boolean | Metastatic treatment site mediastinum (R)
| ||||||
| metastaticTreatmentSiteBone |
O | 0..* | boolean | Metastatic treatment site bone (R)
| ||||||
| metastaticTreatmentSiteSoftTissue |
O | 0..* | boolean | Metastatic treatment site soft tissue (R)
| ||||||
| metastaticTreatmentSiteLiver |
O | 0..* | boolean | Metastatic treatment site liver (R)
| ||||||
| rtTreatmentCompletedAsPlanned |
O | 1..* | CodeableConcept | RT Treatment Completed as Planned? (M)
| ||||||
| regionalDeepHyperthemia |
O | 1..* | CodeableConcept | Regional deep hyperthemia (M)
| ||||||
| treatmentResponse |
O | 0..* | CodeableConcept | Treatment response (R)
| ||||||
| Documentation for this format | ||||||||||
Differential View
This structure is derived from Base
| Name | Flags | Card. | Type | Description & Constraints Filter: | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Radiotherapy |
0..* | Base | Radiotherapy | |||||||
| diagnosisReference |
O | 1..* | Diagnosis | Diagnosis reference (M)
| ||||||
| episodeEventReference |
O | 1..* | EpisodeEvent | Episode Event reference (M)
| ||||||
| radiotherapyHospital |
O | 1..* | string | Radiotherapy Hospital (M)
| ||||||
| intent |
O | 1..* | CodeableConcept | Intent (M)
| ||||||
| setting |
O | 0..* | CodeableConcept | Setting (M (only if Intent is Curative OR Unknown))
| ||||||
| beamQuality |
O | 1..* | CodeableConcept | Beam quality (M)
| ||||||
| other |
O | 0..* | string | Other; specify (O)
| ||||||
| treatmentTechnique |
O | 1..* | CodeableConcept | Treatment technique (M)
| ||||||
| totalDoseGy |
O | 1..* | Quantity | Total Dose (TD) Gy (M)
| ||||||
| totalHighDose |
O | 0..* | Quantity | Total High Dose (Gy) (R)
| ||||||
| numberOfFractions |
O | 1..* | Quantity | Number of fractions (M)
| ||||||
| adaptiveRt |
O | 0..* | boolean | Adaptive RT (O)
| ||||||
| igrt |
O | 0..* | boolean | IGRT (image guide radiotherapy) (O)
| ||||||
| reirradiation |
O | 0..* | boolean | Reirradiation (local or regional) (O)
| ||||||
| fieldOfReirradiation |
O | 0..* | CodeableConcept | Field of Re-irradiation (O)
| ||||||
| startDate |
O | 1..* | date | Start date (M)
| ||||||
| endDate |
O | 1..* | date | End date (M)
| ||||||
| treatmentSitePrimaryOnly |
O | 0..* | boolean | Treatment site primary only (M (suggest to modify the label into Primary only))
| ||||||
| treatmentSiteNeckOnly |
O | 0..* | boolean | Treatment site neck only (M (suggest to modify the label into Neck only))
| ||||||
| treatmentSitePrimaryAndIpsilateralNeck |
O | 1..* | boolean | Treatment site primary and ipsilateral neck (M)
| ||||||
| treatmentSitePrimaryAndBilateralNeck |
O | 1..* | boolean | Treatment site primary and bilateral neck (M)
| ||||||
| treatmentSiteDistantMetastasis |
O | 1..* | boolean | Treatment site distant metastasis (M)
| ||||||
| otherTreatmentSite |
O | 0..* | CodeableConcept | Other Treatment Site (O)
| ||||||
| metastaticTreatmentSiteLung |
O | 0..* | boolean | Metastatic treatment site lung (R)
| ||||||
| metastaticTreatmentSiteMediastinum |
O | 0..* | boolean | Metastatic treatment site mediastinum (R)
| ||||||
| metastaticTreatmentSiteBone |
O | 0..* | boolean | Metastatic treatment site bone (R)
| ||||||
| metastaticTreatmentSiteSoftTissue |
O | 0..* | boolean | Metastatic treatment site soft tissue (R)
| ||||||
| metastaticTreatmentSiteLiver |
O | 0..* | boolean | Metastatic treatment site liver (R)
| ||||||
| rtTreatmentCompletedAsPlanned |
O | 1..* | CodeableConcept | RT Treatment Completed as Planned? (M)
| ||||||
| regionalDeepHyperthemia |
O | 1..* | CodeableConcept | Regional deep hyperthemia (M)
| ||||||
| treatmentResponse |
O | 0..* | CodeableConcept | Treatment response (R)
| ||||||
| Documentation for this format | ||||||||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Radiotherapy |
0..* | Base | Radiotherapy | |||||||
| diagnosisReference |
O | 1..* | Diagnosis | Diagnosis reference (M)
| ||||||
| episodeEventReference |
O | 1..* | EpisodeEvent | Episode Event reference (M)
| ||||||
| radiotherapyHospital |
O | 1..* | string | Radiotherapy Hospital (M)
| ||||||
| intent |
O | 1..* | CodeableConcept | Intent (M)
| ||||||
| setting |
O | 0..* | CodeableConcept | Setting (M (only if Intent is Curative OR Unknown))
| ||||||
| beamQuality |
O | 1..* | CodeableConcept | Beam quality (M)
| ||||||
| other |
O | 0..* | string | Other; specify (O)
| ||||||
| treatmentTechnique |
O | 1..* | CodeableConcept | Treatment technique (M)
| ||||||
| totalDoseGy |
O | 1..* | Quantity | Total Dose (TD) Gy (M)
| ||||||
| totalHighDose |
O | 0..* | Quantity | Total High Dose (Gy) (R)
| ||||||
| numberOfFractions |
O | 1..* | Quantity | Number of fractions (M)
| ||||||
| adaptiveRt |
O | 0..* | boolean | Adaptive RT (O)
| ||||||
| igrt |
O | 0..* | boolean | IGRT (image guide radiotherapy) (O)
| ||||||
| reirradiation |
O | 0..* | boolean | Reirradiation (local or regional) (O)
| ||||||
| fieldOfReirradiation |
O | 0..* | CodeableConcept | Field of Re-irradiation (O)
| ||||||
| startDate |
O | 1..* | date | Start date (M)
| ||||||
| endDate |
O | 1..* | date | End date (M)
| ||||||
| treatmentSitePrimaryOnly |
O | 0..* | boolean | Treatment site primary only (M (suggest to modify the label into Primary only))
| ||||||
| treatmentSiteNeckOnly |
O | 0..* | boolean | Treatment site neck only (M (suggest to modify the label into Neck only))
| ||||||
| treatmentSitePrimaryAndIpsilateralNeck |
O | 1..* | boolean | Treatment site primary and ipsilateral neck (M)
| ||||||
| treatmentSitePrimaryAndBilateralNeck |
O | 1..* | boolean | Treatment site primary and bilateral neck (M)
| ||||||
| treatmentSiteDistantMetastasis |
O | 1..* | boolean | Treatment site distant metastasis (M)
| ||||||
| otherTreatmentSite |
O | 0..* | CodeableConcept | Other Treatment Site (O)
| ||||||
| metastaticTreatmentSiteLung |
O | 0..* | boolean | Metastatic treatment site lung (R)
| ||||||
| metastaticTreatmentSiteMediastinum |
O | 0..* | boolean | Metastatic treatment site mediastinum (R)
| ||||||
| metastaticTreatmentSiteBone |
O | 0..* | boolean | Metastatic treatment site bone (R)
| ||||||
| metastaticTreatmentSiteSoftTissue |
O | 0..* | boolean | Metastatic treatment site soft tissue (R)
| ||||||
| metastaticTreatmentSiteLiver |
O | 0..* | boolean | Metastatic treatment site liver (R)
| ||||||
| rtTreatmentCompletedAsPlanned |
O | 1..* | CodeableConcept | RT Treatment Completed as Planned? (M)
| ||||||
| regionalDeepHyperthemia |
O | 1..* | CodeableConcept | Regional deep hyperthemia (M)
| ||||||
| treatmentResponse |
O | 0..* | CodeableConcept | Treatment response (R)
| ||||||
| Documentation for this format | ||||||||||
This structure is derived from Base
IG © 2022+ IDEA4RC Project. Package hl7.eu.fhir.idea4rc#1.0.0 based on FHIR 4.0.1. Generated 2026-09-17
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.
