CPT® Code 64408

The procedure described by CPT® Code 64408 involves the injection of anesthetic agents and/or steroids into the vagus nerve, which is also known as cranial nerve X (CN X). This nerve is classified as a mixed nerve, meaning it has both motor and sensory functions. It extends from the brainstem to various organs in the body, playing a crucial role in autonomic control of the heart, lungs, and digestive tract. The vagus nerve originates in the medulla oblongata and exits the skull through the jugular foramen, branching out to innervate structures such as the pharynx, larynx, respiratory tract, heart, stomach, small intestine, and most of the large intestine, as well as the gallbladder. The injection, often referred to as a nerve block, can serve both diagnostic and therapeutic purposes, helping to alleviate pain or other symptoms associated with vagus nerve dysfunction. The procedure involves careful anatomical consideration and precise technique to ensure the correct placement of the needle and the effective delivery of the anesthetic or steroid solution.