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The definition of medical necessity and indications for coverage of proton beam therapy (PBT) for the treatment of cancer can vary greatly among different professional societies (PSs) and payors. Variations in policies introduce substantial inefficiencies and limit access for patients who may clinically benefit from PBT. The purpose of this study was to analyze differences in medical necessity and coverage policies among payors and a PS.

Variations in Proton Therapy Coverage in the State of Texas: Defining Medical Necessity for a Safe and Effective Treatment