CPT® Code 77435

Stereotactic body radiation therapy, treatment management, per treatment course, to 1 or more lesions, including image guidance, entire course not to exceed 5 fractions

Stereotactic body radiation therapy (SBRT) treatment management is a specialized form of radiation therapy that is utilized for the precise targeting of one or more lesions within the body. This procedure is characterized by its ability to deliver high doses of radiation to a specific area while minimizing exposure to surrounding healthy tissues. The treatment course is structured to not exceed five fractions, or sessions, which allows for a concentrated delivery of radiation over a defined period. The process begins with advanced imaging techniques, such as MRI or CT scans, which are employed to accurately locate the lesions in three-dimensional space. This imaging is crucial for the computer-aided planning that follows, ensuring that the radiation is directed precisely at the target. During the treatment, patients are immobilized using removable frames, masks, or fitted casts to limit movement, thereby enhancing the accuracy of radiation delivery. The management of SBRT involves several critical components, including the calculation and review of dosimetry, which determines the appropriate radiation dose for each session. Additionally, treatment management encompasses pre-treatment setup, which involves positioning the patient correctly and assessing the placement of immobilization devices, as well as any necessary radiation blocks or wedges. Throughout the course of treatment, healthcare professionals coordinate the patient's care, monitor their response to therapy, and review relevant lab tests and imaging films to ensure optimal outcomes.