{
  "description": "Concepts used in association with radiotherapy profiles in mCODE, where terms could not be found in standard sources such as SNOMED CT.",
  "_filename": "CodeSystem-radiotherapy-cs.json",
  "package_name": "hl7.fhir.us.mcode",
  "date": "2021-04-15T12:44:45+00:00",
  "publisher": "HL7 International Clinical Interoperability Council",
  "jurisdiction": [ {
    "coding": [ {
      "code": "US",
      "system": "urn:iso:std:iso:3166",
      "display": "United States of America"
    } ]
  } ],
  "content": "complete",
  "name": "RadiotherapyCS",
  "type": null,
  "experimental": null,
  "resourceType": "CodeSystem",
  "title": "Radiotherapy Code System",
  "package_version": "1.16.0",
  "status": "active",
  "id": "b4ea45a3-056d-478b-8238-a0630d127998",
  "kind": null,
  "count": 21,
  "url": "http://terminology.hl7.org/CodeSystem/radiotherapy",
  "concept": [ {
    "code": "LDR-PERM",
    "display": "Low Dose Rate Brachytherapy - Permanent Placement",
    "definition": "Radiation treatment that irradiates a body volume with permanently placed radiation sources delivering low dose rates (typically less than or equal to 2 Gy/hour)."
  }, {
    "code": "LDR-TEMP",
    "display": "Low Dose Rate Brachytherapy - Temporary Placement",
    "definition": "Radiation treatment that irradiates a body volume with temporarily placed radiation sources delivering low dose rates (typically less than or equal to 2 Gy/hour)."
  }, {
    "code": "3D",
    "display": "Three Dimensional",
    "definition": "Dose calculated with projection onto 3D imaging (e.g., CT or MR) delivered with either static aperture (Collimator, SRS Cone, Static MLC, blocks, etc) or non-IMRT/VMAT dynamic apertures (e.g., field-in-field, dynamic arc) using either single gantry angles or arcs."
  }, {
    "code": "PPS",
    "display": "Particle Passive Scattering",
    "definition": "In proton or carbon ion beam therapy, a technique where the beam is spread out to larger dimension using a scattering device such as lead foil."
  }, {
    "code": "PSS",
    "display": "Particle Spot Scanning",
    "definition": "In proton or carbon ion beam therapy, a technique where accelerated particles are focused into a small beam and then moved (scanned) over target regions in the patient."
  }, {
    "code": "MIX",
    "display": "Mixed",
    "definition": "Both photon and particle based beams are used to deliver the radiation therapy."
  }, {
    "code": "CAV-IMB",
    "display": "Intracavitary, Intensity Modulated",
    "definition": "A technique of brachytherapy that dynamically directs the radiation into the tumours and away from healthy tissue, for example, by incorporation of metallic shields inside brachytherapy applicators."
  }, {
    "code": "LN_AX_L1",
    "display": "Level 1 Axillary Lymph Nodes"
  }, {
    "code": "LN_Ax_L2",
    "display": "Level 2 Axillary Lymph Nodes"
  }, {
    "code": "LN_Ax_L3",
    "display": "Level 3 Axillary Lymph Nodes"
  }, {
    "code": "LN_Neck_IA",
    "display": "Level IA (Submental) neck node"
  }, {
    "code": "LN_Neck_IB",
    "display": "Level IB (Submandibular) neck node"
  }, {
    "code": "LN_Neck_IIA",
    "display": "Level IIA (Upper Jugular) neck node"
  }, {
    "code": "LN_Neck_IIB",
    "display": "Level IIB (Upper Jugular) neck node"
  }, {
    "code": "LN_Neck_III",
    "display": "Level III (Middle Jugular) neck node"
  }, {
    "code": "LN_Neck_IV",
    "display": "Level IV neck (Lower Jugular) node"
  }, {
    "code": "LN_Neck_VA",
    "display": "Level VA (Posterior Triangle) neck node"
  }, {
    "code": "LN_Neck_VB",
    "display": "Level VB (Posterior Triangle) neck node"
  }, {
    "code": "LN_Neck_VC",
    "display": "Level VC (Posterior Triangle) neck node"
  }, {
    "code": "LN_Neck_VI",
    "display": "Level VI (Anterior Triangle) neck node"
  }, {
    "code": "LN_Neck_VII",
    "display": "Level VII (Upper Mediastinal) neck node"
  } ],
  "version": "1.16.0",
  "contact": [ {
    "name": "HL7 International Clinical Interoperability Council",
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/cic",
      "system": "url"
    }, {
      "value": "ciclist@lists.HL7.org",
      "system": "email"
    } ]
  } ]
}