Payer Support and Resolution Center
Payer Issues with the 2026 Revised Treatment Delivery Codes
ASTRO is actively monitoring payer implementation of the revised radiation treatment delivery codes (CPT codes 77402, 77407, and 77412) and engaging with them to support appropriate coverage and payment consistent with CMS policy and clinical intent. If a payer denies, downcodes, or underpays one of these codes, start here. We’ll show what’s happening, what ASTRO is doing and what to do next.
ASTRO Q1 2026 Coding Challenges
What’s Happening
Review these updates of ASTRO's continuing efforts to fight denials trends and advocate for the new treatment delivery and image guidance codes.




