CPT® Code 0310T

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Motor function mapping using non-invasive navigated transcranial magnetic stimulation (nTMS) for therapeutic treatment planning, upper and lower extremity

Navigated transcranial magnetic stimulation (nTMS) is a sophisticated, non-invasive technique utilized to map motor function in both the upper and lower extremities. This procedure is particularly important in the context of therapeutic treatment planning or surgical interventions. The process involves the application of transcranial magnetic stimulation (TMS), which generates electrical activity in the brain's cortex, subsequently leading to a response in the peripheral nerves. By integrating magnetic resonance imaging (MRI) with TMS, clinicians can achieve real-time, three-dimensional visualization of the induced electric field, enhancing the precision of the mapping process. This advanced mapping technique is crucial for surgeons as it provides a detailed framework that helps minimize the risks associated with procedures performed near the motor cortex, such as paralysis or functional impairment. Consequently, nTMS facilitates more effective surgical outcomes, allowing for the complete resection of tumors or the targeted removal of areas responsible for epileptic triggers while safeguarding the patient's motor function.