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Official Description

Radiation treatment delivery, 2 separate treatment areas, 3 or more ports on a single treatment area, use of multiple blocks; 20 MeV or greater

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 77411 refers to the delivery of radiation treatment that targets two separate treatment areas using three or more ports within a single treatment area. This procedure is specifically designed for cases where a higher energy beam, defined as 20 MeV (megavolts) or greater, is utilized. The primary goal of this treatment is to effectively deliver radiation to destroy tumor cells located in different regions of the body. The use of multiple ports allows for a more precise and effective targeting of the radiation, ensuring that the treatment is both comprehensive and localized to the areas of concern. It is important to note that this code is distinct from other codes that apply to lower energy beams, such as those in the 5-19 MeV range, which are categorized under different CPT® codes. The differentiation in codes based on the energy level of the radiation beam is crucial for accurate medical coding and billing, as it reflects the complexity and intensity of the treatment being administered.

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