CPT® Code 77762

The CPT® Code 77762 refers to a specific brachytherapy procedure known as intracavitary radiation source application, categorized as intermediate. This procedure involves the placement of radiation source material directly into a natural body cavity of the patient. The process begins with the insertion of applicator(s) into the designated cavity, which is then confirmed for correct positioning through imaging techniques such as X-ray, fluoroscopy, ultrasound, CT, or MRI. Following the verification of the applicator's position, the radiation source is delivered. There are two primary methods for this delivery: low dose radiation (LDR) and high dose radiation (HDR). In the case of LDR, the radiation source is manually placed into the applicator, while for HDR, an afterloader device is utilized. The afterloader is connected to the applicator, allowing the radiation source to be delivered through a series of guide tubes. Regardless of the method used, the radiation source is retained in the cavity for a specified duration, after which it is either manually removed or retracted back through the guide tubes into the afterloader. This code specifically accounts for the application of an intermediate number of radiation sources, defined as five to ten. For procedures involving fewer sources, CPT® Code 77761 is applicable, while CPT® Code 77763 is designated for complex applications involving more than ten radiation sources.