CodeX Radiation Therapy
2.0.0 - STU2 United States of America flag

CodeX Radiation Therapy, published by HL7 International / Cross-Group Projects. This guide is not an authorized publication; it is the continuous build for version 2.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/codex-radiation-therapy/ and changes regularly. See the Directory of published versions

ValueSet: Image Guided Radiotherapy Energy Unit Value Set

Official URL: http://hl7.org/fhir/us/codex-radiation-therapy/ValueSet/codexrt-image-guided-radiotherapy-energy-unit-vs Version: 2.0.0
Standards status: Trial-use Draft as of 2026-01-27 Computable Name: ImageGuidedRadiotherapyEnergyUnitVS
Other Identifiers: OID:2.16.840.1.113883.4.642.40.14.48.4

Copyright/Legal: This value set includes content from The Unified Code for Units of Measure (UCUM), also known as the UCUM Specification which is copyright ©1999-2021, Regenstrief Institute, Inc. All rights reserved.

Unit to characterize the energy spectrum used for imaging in Image Guided Radiotherapy (IGRT). For photons, the maximum acceleration voltage is given in MV or kV, although those are not units of energy.

References

Logical Definition (CLD)

  • Include these codes as defined in http://unitsofmeasure.org version Not Stated (use latest from terminology server)
    CodeDisplay
    MVMV
    kVkV

 

Expansion

Expansion from tx.fhir.org based on codesystem UCUM version 2.2

This value set contains 2 concepts

SystemCodeDisplay (en)JSONXML
http://unitsofmeasure.org  MVMV
http://unitsofmeasure.org  kVkV

Description of the above table(s).