CPT® Code 61517

Add-On Code

The CPT® Code 61517 refers to the procedure of implanting a brain intracavitary chemotherapy agent, which is performed as an adjunctive treatment following the surgical resection of a malignant brain tumor. This procedure is specifically designed to deliver chemotherapy directly into the resection cavity, thereby maximizing the local concentration of the therapeutic agent while minimizing systemic exposure. The process begins with the careful handling of the chemotherapy agent according to the manufacturer's instructions, ensuring that it is prepared correctly for implantation. The agent is then strategically placed within the cavity created by the tumor resection, with particular attention paid to anatomical structures such as the ventricles and major blood vessels to avoid any potential complications. After the chemotherapy agent is securely positioned, the surgical site may be irrigated to ensure proper placement and to maintain a clean environment. Finally, the dura mater, which is the outermost layer of the protective covering of the brain, is meticulously closed to prevent any leakage of cerebrospinal fluid, thereby promoting optimal healing and reducing the risk of postoperative complications.