Summary & Overview
CPT 64632: Neurolysis for Destruction of Pain-Carrying Nerves
CPT code 64632 denotes neurolysis—the destruction of pain-conducting nerves by chemical, heat, or radiofrequency methods. As an interventional pain-management procedure, neurolysis plays a role in treating refractory chronic pain and procedural pain syndromes where other therapies have failed or are contraindicated. Nationwide, this code is relevant to hospital outpatient departments, ambulatory surgical centers, and specialty pain clinics that perform image-guided or percutaneous nerve ablation.
Key payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise clinical and billing context for CPT code 64632, including common payers, typical sites of service, and what to expect in terms of documentation and service categorization. The publication covers national benchmarks where available, payer coverage patterns, coding nuances, and recent policy changes affecting interventional pain procedures. Clinical context outlines why neurolysis is used, procedural modalities (chemical, thermal, radiofrequency), and typical care settings.
This summary equips clinicians, coding professionals, and policy analysts with a clear understanding of what CPT code 64632 represents, which payers commonly reimburse related services, and the types of insights presented in the full publication, such as benchmarking, policy updates, and operational considerations for facilities offering neurolytic procedures.
Billing Code Overview
CPT code 64632 describes neurolysis, the targeted destruction of nerves responsible for carrying pain using chemical, heat, or radiofrequency techniques. This procedure is used to interrupt pain signals when conservative treatments have not provided adequate relief.
Service Type: Interventional pain procedure (neurolytic nerve destruction)
Typical Site of Service: Hospital outpatient department, ambulatory surgical center, or specialized pain clinic
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Clinical & Coding Specifications
Clinical Context
A 52-year-old patient with chronic, refractory thoracic radicular pain after prior conservative care presents to an outpatient interventional pain clinic for targeted neurolysis using radiofrequency ablation. The patient has focal neuropathic pain localized to the right T6 dermatome with prior diagnostic medial branch blocks demonstrating temporary relief. After informed consent and verification of no contraindications, the patient is positioned on the procedure table, monitored with ECG, pulse oximetry, and blood pressure, and intravenous access is established. Under fluoroscopic guidance and sterile technique, the physician advances a radiofrequency needle to the targeted dorsal rami/medial branch nerve and confirms position with sensory and motor stimulation. Thermal radiofrequency neurolysis is performed to coagulate the nerve for sustained pain relief. The patient is observed in recovery for hemodynamic stability and discharged with post-procedure instructions and a plan for follow-up.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | Use when billing only the physician’s professional interpretation and management separate from the facility or technical component. |
50 |