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Introduction/Injection of Anesthetic Agent (Nerve Block), Diagnostic or Therapeutic Procedures on the Autonomic Nerves

Anesthetic injection procedures (nerve blocks) directed to autonomic nerves for diagnostic or therapeutic effect, such as sympathetic blocks. CPT codes 64505–64530 cover autonomic nerve injection techniques and distinguish block levels and guidance methods.

Introduction/Injection of Anesthetic Agent (Nerve Block), Diagnostic or Therapeutic Procedures on the Paravertebral Spinal Nerves and Branches

Paravertebral spinal nerve and branch injection procedures including thoracic and lumbar paravertebral nerve blocks. CPT codes 64490–64495 specify paravertebral nerve block techniques by region and include unilateral versus bilateral descriptors.

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

Introduction/injection of anesthetic agents for somatic nerve blocks covering peripheral nerve and plexus blocks for diagnostic or therapeutic use. CPT codes 64400–64489 span a variety of somatic nerve block procedures with level and site-specific codes for upper and lower extremity and trunk blocks.