CPT® 64421, Under Introduction/Injection of Anesthetic Agent (Nerve Block), Diagnostic or Therapeutic Procedures on the Somatic Nerves

The Current Procedural Terminology (CPT®) code 64421 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 Somatic Nerves.

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Summary

The provider injects an anesthetic agent and/or steroid close to one of the ventral branches of the thoracic spinal nerves located under each rib, called the intercostal nerve. Report this code for one or more injections of each additional level (second, third, fourth intercostal nerve, and so on) after the first level.

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