CPT® 64491, Under Introduction/Injection of Anesthetic Agent (Nerve Block), Diagnostic or Therapeutic Procedures on the Paravertebral Spinal Nerves and Branches
The Current Procedural Terminology (CPT®) code 64491 as maintained by American Medical Association, is a medical procedural code under the range - Introduction/Injection of Anesthetic Agent (Nerve Block), Diagnostic or Therapeutic Procedures on the Paravertebral Spinal Nerves and Branches.
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Summary
In this add–on procedure, the provider injects a diagnostic or therapeutic agent into a facet joint, the joint connecting two spinal vertebrae together, at the cervical or thoracic level. Or he may perform the injection for nerves innervating that joint. He uses imaging guidance of either fluoroscopy or CT scan. The provider injects the second additional level, after an initial separately reportable injection. The goal of this procedure is to treat spinal pain or to identify the exact source of pain.
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