CPT® Code 61760

Stereotactic implantation of depth electrodes into the cerebrum for long-term seizure monitoring is a specialized neurosurgical procedure aimed at diagnosing and managing epilepsy. This technique involves the precise placement of electrodes within the deep tissues of the brain, specifically the cerebrum, to monitor electrical activity over an extended period. The procedure begins with the attachment of a stereotactic frame to the patient's skull, which serves as a reference point for accurate electrode placement. Advanced imaging techniques, such as Magnetic Resonance Imaging (MRI) or Computed Tomography (CT) scans, are utilized to create a detailed map of the brain, identifying the exact locations for electrode insertion. The use of an insertion apparatus allows for the depth electrodes to be positioned accurately according to the predetermined coordinates derived from the imaging studies. In some cases, frameless stereotactic surgery may be employed, utilizing fiduciary markers for guidance instead of a rigid frame. The surgical process involves making a small incision in the scalp, followed by the creation of a burr hole in the skull through which the electrodes are inserted. Once positioned, the electrodes are advanced to the targeted areas within the cerebrum, where they will record electrical signals associated with seizure activity. After confirming the functionality of the electrodes, the burr hole is sealed with bone wax, and the incision is sutured closed. Finally, the stereotactic frame is removed, completing the procedure. This method is crucial for gathering data that can inform treatment decisions for patients with refractory epilepsy.