CPT® Code 61867

Twist drill, burr hole, craniotomy, or craniectomy with stereotactic implantation of neurostimulator electrode array in subcortical site (eg, thalamus, globus pallidus, subthalamic nucleus, periventricular, periaqueductal gray), with use of intraoperative microelectrode recording; first array

The procedure described by CPT® Code 61867 involves the implantation of a neurostimulator electrode array in the subcortical regions of the brain, which are critical areas for managing various functional disorders. This procedure is particularly relevant for patients suffering from conditions such as Parkinson's disease, tremors, multiple sclerosis, and medically intractable primary dystonias, as well as symptoms resulting from psychotropic medications, including bradykinesia, dyskinesia, rigidity, and severe pain associated with cancer or other causes. The use of a stereotactic frame is essential in this procedure, as it provides a precise method for targeting specific brain areas. Imaging techniques such as MRI or CT scans are utilized to accurately map the brain and determine the optimal locations for electrode array placement. The procedure involves creating access points through twist drill holes or burr holes, or alternatively, performing a craniotomy or craniectomy to expose the brain. This meticulous approach allows for the careful insertion of a guide cannula into the brain, where microelectrode recordings are taken to assess neuronal responses. The ultimate goal is to position the neurostimulator array accurately within the targeted subcortical sites to achieve the desired therapeutic effects.