FHIR © HL7.org  |  Server Home  |  XIG Home  |  Server Source  |  FHIR  

FHIR IG Statistics: StructureDefinition/mcode-radiotherapy-modality-and-technique

Packagehl7.fhir.us.mcode
TypeStructureDefinition
Idmcode-radiotherapy-modality-and-technique
FHIR VersionR4
Sourcehttp://hl7.org/fhir/us/mcode/https://build.fhir.org/ig/HL7/fhir-mCODE-ig/StructureDefinition-mcode-radiotherapy-modality-and-technique.html
URLhttp://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique
Version4.0.0
Statusactive
Date2025-02-16T17:58:10+00:00
NameRadiotherapyModalityAndTechnique
TitleRadiotherapy Modality And Technique Extension
Realmus
Authorityhl7
DescriptionExtension capturing modality and technique of a given radiotherapy procedure. The allowed combinations of modality and technique are constrained by invariants, one per modality.
TypeExtension
Kindcomplex-type

Resources that use this resource

StructureDefinition
mcode-radiotherapy-course-summaryRadiotherapy Course Summary Profile
codexrt-radiotherapy-course-prescriptionRadiotherapy Course Prescription
codexrt-radiotherapy-phase-prescriptionRadiotherapy Phase Prescription
codexrt-radiotherapy-plan-prescriptionRadiotherapy Plan Prescription
codexrt-radiotherapy-planned-courseRadiotherapy Planned Course
codexrt-radiotherapy-planned-phaseRadiotherapy Planned Phase
codexrt-radiotherapy-treated-fractionRadiotherapy Treated Fraction
codexrt-radiotherapy-treated-phaseRadiotherapy Treated Phase
codexrt-radiotherapy-treated-planRadiotherapy Treated Plan
codexrt-radiotherapy-treatment-planRadiotherapy Treatment Plan

Resources that this resource uses

StructureDefinition
mcode-radiotherapy-modalityRadiotherapy Modality Extension
mcode-radiotherapy-techniqueRadiotherapy Technique Extension
ValueSet
mcode-radiotherapy-modality-vsRadiotherapy Modality Value Set
mcode-radiotherapy-technique-vsRadiotherapy Technique Value Set

Narrative

Note: links and images are rebased to the (stated) source

Generated Narrative: StructureDefinition mcode-radiotherapy-modality-and-technique

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension C0..*ExtensionRadiotherapy Modality And Technique Extension
TechniquesForNeutronBeamModality: Allowed Techniques for Neutron Beam Modality
TechniquesForPhotonBeamModality: Allowed Techniques for Photon Beam Modality
TechniquesForElectronBeamModality: Allowed Techniques for Electron Beam Modality
TechniquesForCarbonIonBeamModality: Allowed Techniques for Carbon Ion Beam Modality
TechniquesForProtonBeamModality: Allowed Techniques for Proton Beam Modality
TechniquesForInternalRadiotherapyPermanentSeeds: Allowed Techniques for Internal Radiotherapy - Permanent Seeds
TechniquesForLowDoseRateUsingTempRadSource: Allowed Techniques for Low Dose Rate Using Temp Radiation Source
TechniquesForPulsedDoseRate: Allowed Techniques for Pulsed Dose Rate
TechniquesForHighDoseRate: Allowed Techniques for High Dose Rate
TechniquesForHighDoseRateElectronic: Allowed Techniques for High Dose Rate Electronic
TechniquesForRadioPharmaceutical: Allowed Techniques for Radiopharmaceutical
ModalityTextRequiredForOther: Require a text literal for code other
TechniqueTextRequiredForOther: Require a text literal for code other
... extension 1..*ExtensionExtension
... Slices for extension Content/Rules for all slices
.... modality S1..1(Complex)Radiotherapy Modality Extension
URL: http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality
..... value[x] 1..1CodeableConceptValue of extension
Binding: Radiotherapy Modality Value Set (required)
.... technique S0..*(Complex)Radiotherapy Technique Extension
URL: http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique
..... value[x] 1..1CodeableConceptValue of extension
Binding: Radiotherapy Technique Value Set (required)
... url 1..1uri"http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
... value[x] 0..0

doco Documentation for this format

Source

{
  "resourceType": "StructureDefinition",
  "id": "mcode-radiotherapy-modality-and-technique",
  "text": {
    "status": "extensions",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 3
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "cic"
    }
  ],
  "url": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.40.15.42.45"
    }
  ],
  "version": "4.0.0",
  "name": "RadiotherapyModalityAndTechnique",
  "title": "Radiotherapy Modality And Technique Extension",
  "status": "active",
  "date": "2025-02-16T17:58:10+00:00",
  "publisher": "HL7 International / Clinical Interoperability Council",
  "contact": [
    {
      "name": "HL7 International / Clinical Interoperability Council",
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/cic"
        },
        {
          "system": "email",
          "value": "ciclist@lists.HL7.org"
        }
      ]
    }
  ],
  "description": "Extension capturing modality and technique of a given radiotherapy procedure.  The allowed combinations of modality and technique are constrained by invariants, one per modality.",
  "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": "DomainResource"
    },
    {
      "type": "element",
      "expression": "Extension"
    },
    {
      "type": "element",
      "expression": "Procedure"
    },
    {
      "type": "element",
      "expression": "ServiceRequest"
    }
  ],
  "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 Modality And Technique Extension",
        "definition": "Extension capturing modality and technique of a given radiotherapy procedure.  The allowed combinations of modality and technique are constrained by invariants, one per modality.",
        "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"
          },
          {
            "key": "TechniquesForNeutronBeamModality",
            "severity": "error",
            "human": "Allowed Techniques for Neutron Beam Modality",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '80347004')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '169317000' or code = '1162782007')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForPhotonBeamModality",
            "severity": "error",
            "human": "Allowed Techniques for Photon Beam Modality",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '1156506007')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '441799006' or code = '1156530009' or code = '1162782007' or code = '1156526006' or code = '168524008' or code = '1156530009' or code = '1163157007')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForElectronBeamModality",
            "severity": "error",
            "human": "Allowed Techniques for Electron Beam Modality",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '45643008')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '1162782007' or code = '1156526006' or code = '168524008' or code = '1163157007')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForCarbonIonBeamModality",
            "severity": "error",
            "human": "Allowed Techniques for Carbon Ion Beam Modality",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '1156505006')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '1156529004' or code = '1156528007' or code='1204242009')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForProtonBeamModality",
            "severity": "error",
            "human": "Allowed Techniques for Proton Beam Modality",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '10611004')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '1156529004' or code = '1156528007' or code = '1204242009' or code = '1163157007')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForInternalRadiotherapyPermanentSeeds",
            "severity": "error",
            "human": "Allowed Techniques for Internal Radiotherapy - Permanent Seeds",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '169359004')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '113120007')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForLowDoseRateUsingTempRadSource",
            "severity": "error",
            "human": "Allowed Techniques for Low Dose Rate Using Temp Radiation Source",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '1156708005')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '384692006' or code = '113120007' or code = '14473006')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForPulsedDoseRate",
            "severity": "error",
            "human": "Allowed Techniques for Pulsed Dose Rate",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '1156384006')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '384692006' or code = '113120007')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForHighDoseRate",
            "severity": "error",
            "human": "Allowed Techniques for High Dose Rate",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '394902000')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '384692006' or code = '1156382005' or code = '113120007' or code = ' 1156383000' or code = '384691004' or code = '168524008' or code = '14473006')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForHighDoseRateElectronic",
            "severity": "error",
            "human": "Allowed Techniques for High Dose Rate Electronic",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '438629002')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '384692006' or code = '1156382005' or code = '113120007' or code = '384691004' or code = '168524008' or code = '14473006')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForRadioPharmaceutical",
            "severity": "error",
            "human": "Allowed Techniques for Radiopharmaceutical",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '440252007')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '16560241000119104' or code = '1156383000' or code = '384692006' or code = '113120007')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "ModalityTextRequiredForOther",
            "severity": "error",
            "human": "Require a text literal for code other",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://terminology.hl7.org/CodeSystem/v3-NullFlavor' and code = 'UNC')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.text.exists()",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniqueTextRequiredForOther",
            "severity": "error",
            "human": "Require a text literal for code other",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(system = 'http://terminology.hl7.org/CodeSystem/v3-NullFlavor' and code = 'UNC')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.text.exists()",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          }
        ],
        "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": 1,
        "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
      },
      {
        "id": "Extension.extension:modality",
        "path": "Extension.extension",
        "sliceName": "modality",
        "short": "Radiotherapy Modality Extension",
        "definition": "Extension capturing a modality of external beam or brachytherapy radiation procedures.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": [
              "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality"
            ]
          }
        ],
        "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"
          }
        ],
        "mustSupport": true,
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:modality.id",
        "path": "Extension.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:modality.extension",
        "path": "Extension.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.extension:modality.url",
        "path": "Extension.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/mcode/StructureDefinition/mcode-radiotherapy-modality",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:modality.value[x]",
        "path": "Extension.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": "CodeableConcept"
          }
        ],
        "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,
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/fhir/us/mcode/ValueSet/mcode-radiotherapy-modality-vs"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:technique",
        "path": "Extension.extension",
        "sliceName": "technique",
        "short": "Radiotherapy Technique Extension",
        "definition": "Extension capturing a technique of external beam or brachytherapy radiation procedures.",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": [
              "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique"
            ]
          }
        ],
        "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"
          }
        ],
        "mustSupport": true,
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.extension:technique.id",
        "path": "Extension.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:technique.extension",
        "path": "Extension.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.extension:technique.url",
        "path": "Extension.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/mcode/StructureDefinition/mcode-radiotherapy-technique",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:technique.value[x]",
        "path": "Extension.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": "CodeableConcept"
          }
        ],
        "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,
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/fhir/us/mcode/ValueSet/mcode-radiotherapy-technique-vs"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "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/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique",
        "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": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "canonical"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "url"
          },
          {
            "code": "uuid"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "ContactDetail"
          },
          {
            "code": "Contributor"
          },
          {
            "code": "DataRequirement"
          },
          {
            "code": "Expression"
          },
          {
            "code": "ParameterDefinition"
          },
          {
            "code": "RelatedArtifact"
          },
          {
            "code": "TriggerDefinition"
          },
          {
            "code": "UsageContext"
          },
          {
            "code": "Dosage"
          },
          {
            "code": "Meta"
          }
        ],
        "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"
          }
        ]
      }
    ]
  },
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "Radiotherapy Modality And Technique Extension",
        "definition": "Extension capturing modality and technique of a given radiotherapy procedure.  The allowed combinations of modality and technique are constrained by invariants, one per modality.",
        "constraint": [
          {
            "key": "TechniquesForNeutronBeamModality",
            "severity": "error",
            "human": "Allowed Techniques for Neutron Beam Modality",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '80347004')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '169317000' or code = '1162782007')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForPhotonBeamModality",
            "severity": "error",
            "human": "Allowed Techniques for Photon Beam Modality",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '1156506007')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '441799006' or code = '1156530009' or code = '1162782007' or code = '1156526006' or code = '168524008' or code = '1156530009' or code = '1163157007')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForElectronBeamModality",
            "severity": "error",
            "human": "Allowed Techniques for Electron Beam Modality",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '45643008')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '1162782007' or code = '1156526006' or code = '168524008' or code = '1163157007')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForCarbonIonBeamModality",
            "severity": "error",
            "human": "Allowed Techniques for Carbon Ion Beam Modality",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '1156505006')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '1156529004' or code = '1156528007' or code='1204242009')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForProtonBeamModality",
            "severity": "error",
            "human": "Allowed Techniques for Proton Beam Modality",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '10611004')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '1156529004' or code = '1156528007' or code = '1204242009' or code = '1163157007')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForInternalRadiotherapyPermanentSeeds",
            "severity": "error",
            "human": "Allowed Techniques for Internal Radiotherapy - Permanent Seeds",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '169359004')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '113120007')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForLowDoseRateUsingTempRadSource",
            "severity": "error",
            "human": "Allowed Techniques for Low Dose Rate Using Temp Radiation Source",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '1156708005')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '384692006' or code = '113120007' or code = '14473006')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForPulsedDoseRate",
            "severity": "error",
            "human": "Allowed Techniques for Pulsed Dose Rate",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '1156384006')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '384692006' or code = '113120007')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForHighDoseRate",
            "severity": "error",
            "human": "Allowed Techniques for High Dose Rate",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '394902000')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '384692006' or code = '1156382005' or code = '113120007' or code = ' 1156383000' or code = '384691004' or code = '168524008' or code = '14473006')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForHighDoseRateElectronic",
            "severity": "error",
            "human": "Allowed Techniques for High Dose Rate Electronic",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '438629002')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '384692006' or code = '1156382005' or code = '113120007' or code = '384691004' or code = '168524008' or code = '14473006')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniquesForRadioPharmaceutical",
            "severity": "error",
            "human": "Allowed Techniques for Radiopharmaceutical",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://snomed.info/sct' and code = '440252007')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(code = 'UNC' or code = '16560241000119104' or code = '1156383000' or code = '384692006' or code = '113120007')",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "ModalityTextRequiredForOther",
            "severity": "error",
            "human": "Require a text literal for code other",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.coding.exists(system = 'http://terminology.hl7.org/CodeSystem/v3-NullFlavor' and code = 'UNC')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality').value.text.exists()",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          },
          {
            "key": "TechniqueTextRequiredForOther",
            "severity": "error",
            "human": "Require a text literal for code other",
            "expression": "extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.exists() and\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.coding.exists(system = 'http://terminology.hl7.org/CodeSystem/v3-NullFlavor' and code = 'UNC')\n   implies\n      extension.where(url = 'http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique').value.text.exists()",
            "source": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
          }
        ]
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "min": 1
      },
      {
        "id": "Extension.extension:modality",
        "path": "Extension.extension",
        "sliceName": "modality",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Extension",
            "profile": [
              "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality"
            ]
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Extension.extension:modality.value[x]",
        "path": "Extension.extension.value[x]",
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/fhir/us/mcode/ValueSet/mcode-radiotherapy-modality-vs"
        }
      },
      {
        "id": "Extension.extension:technique",
        "path": "Extension.extension",
        "sliceName": "technique",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "Extension",
            "profile": [
              "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-technique"
            ]
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Extension.extension:technique.value[x]",
        "path": "Extension.extension.value[x]",
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/fhir/us/mcode/ValueSet/mcode-radiotherapy-technique-vs"
        }
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-radiotherapy-modality-and-technique"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "max": "0"
      }
    ]
  }
}