AMA CPT® Assistant - 2026 Issue 2 (February)
Radiation Oncology Treatment Delivery
February 2026 page 27 Radiation Oncology Treatment Delivery For the CPT 2026 code set, several changes were made throughout the Radiation Treatment Delivery subsection. Most notably, codes 77402 , 77407 , and 77412 have been revised. Codes 77385 and 77386 have been deleted. This article provides an overview of the intent and use of these revised codes. 77402 Radiation treatment delivery; Level 1 (eg, single-electron field, multiple-electron fields, or 2D photons), including imaging guidance, when performed 77407 Level 2, single-isocenter (eg, 3D or IMRT), photons, including imaging guidance, when performed 77412 Level 3, multiple isocenters with photon therapy (eg, 2D, 3D...
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Article Overview
This article explains changes in the CPT 2026 radiation oncology treatment delivery section. It is aimed at coders, billers, and radiation oncology staff who need to understand updated terminology, revised guideline language, and how the treatment delivery framework was reorganized for current reporting. The article also summarizes related table and definition updates that affect radiation therapy service categorization and documentation review.
Why This Topic Matters
Radiation oncology coding was revised for 2026, with changes that affect how treatment delivery services are understood within the updated CPT framework. The article helps readers orient to the new structure so they can review documentation and service categories more efficiently.
Article Sections
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February 2026 page 27
Introductory page reference and overview of the 2026 CPT radiation treatment delivery updates, including revised and deleted codes and the scope of the discussion.
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Radiation treatment delivery code updates
Discussion of the revised radiation treatment delivery code structure and related parenthetical guidance. This section also notes deleted radiation therapy codes and related reporting references.
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Updated radiation therapy guidelines
Summary of the revised guideline language for radiation therapy services, including updated terminology, treatment delivery categories, imaging guidance concepts, and definitions used in the subsection.
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Radiation Management and Treatment Table changes
Overview of updates to the treatment table and service-level terminology, along with related changes to existing radiation therapy code groupings.
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Clinical examples and procedural descriptions
Representative clinical scenarios illustrating the kinds of radiation oncology cases discussed in the article, presented as examples tied to the revised treatment delivery framework.
What You Will Learn
- How the 2026 radiation oncology treatment delivery subsection was updated
- What types of guideline changes were made for radiation therapy services
- Which parts of the radiation management and treatment framework were revised
- How the article frames the relationship between treatment delivery updates and clinical examples
Who Should Read This
- Medical coders
- Coding educators
- Radiation oncology billers
- Revenue cycle staff
- Radiation oncology clinical documentation staff
Codes Discussed
Modifiers Discussed
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