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CPT 64704: Open Neuroplasty/Nerve Decompression of Hand or Foot
CPT code 64704 represents an open surgical neuroplasty or decompression of a peripheral nerve in the hand or foot, performed to release scar tissue or other compressive structures that cause tension on sensory and motor nerves. Nationally, this code captures an important class of procedures used to address entrapment neuropathies, scar-related pain, and functional impairment in the upper and lower extremities. Utilization and correct coding of 64704 affect surgical billing, payer coverage determinations, and quality measurement for peripheral nerve procedures.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication outlines typical payer handling, common modifiers seen in practice, and clinical context necessary for accurate claim submission and audit readiness.
Readers will learn a concise clinical and billing profile of CPT code 64704, expected sites of service, and how this code is positioned among related operative nerve procedures. The report also summarizes benchmark considerations, documentation elements that support medical necessity, and areas where policy updates or payer-specific edits commonly influence reimbursement. Data not available in the input is noted where applicable.
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Billing Code Overview
CPT code 64704 describes an open surgical neuroplasty procedure in which a provider incises scar tissue or other constricting structures to relieve tension or compression on a nerve in the hand or foot. The procedure targets both sensory and motor nerves that innervate the dorsal and palmar (or plantar) surfaces of the hand or foot.
Service type: Surgical — open neuroplasty/nerve decompression
Typical site of service: Hospital operating room or ambulatory surgical center, and may also be performed in other appropriate sterile surgical settings for procedures on the hand or foot.