Summary & Overview
CPT 63190: Rhizotomy via Laminotomy or Laminectomy
CPT code 63190 represents a surgical rhizotomy performed via laminotomy or laminectomy to sever spinal nerve roots and alleviate neuromuscular symptoms. This operative procedure is clinically significant for select patients with refractory spasticity or pain syndromes and has implications for surgical utilization, hospital resource use, and payer coverage policies nationwide. Major national payers commonly involved in coverage decisions for this type of procedure include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.
Readers will learn the clinical context of the procedure, typical settings where the service is delivered, and the scope of analysis commonly applied to this code, including utilization benchmarks, coverage considerations, and relevant coding guidance. The publication summarizes why accurate coding matters for claims adjudication, quality measurement, and appropriate site-of-service selection. Where input data is missing, the text notes the absence rather than inferring specifics. The material is intended to inform billing administrators, clinical coders, and policy analysts about the function of CPT code 63190, what to expect in payer interactions, and areas where further documentation or policy review may be required.
Billing Code Overview
CPT code 63190 describes a rhizotomy procedure that involves cutting nerve roots in the spinal cord to relieve symptoms of neuromuscular conditions. The operation is performed through a laminotomy or laminectomy approach and is carried out under general anesthesia.
Service Type: Surgical spinal procedure — nerve root sectioning (rhizotomy)
Typical Site of Service: Inpatient or outpatient hospital operating room or ambulatory surgical center
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Clinical & Coding Specifications
Clinical Context
A 48-year-old patient with chronic, severe spasticity of the lower extremities refractory to conservative management (oral antispasmodics, targeted physical therapy, and intrathecal baclofen trial) is scheduled for a surgical rhizotomy. The procedure is performed in an operating room under general anesthesia. The surgeon performs a laminotomy or laminectomy to expose the dorsal (sensory) and/or ventral (motor) nerve roots at the appropriate spinal level, identifies the targeted nerve rootlets, and selectively cuts (or section) the offending rootlets to reduce spasticity and pain. Intraoperative neurophysiologic monitoring (motor and sensory evoked potentials, electromyography) is commonly used to preserve function and confirm target identification. Postoperative care includes monitoring in the post-anesthesia care unit with focused neurologic exams, pain control, wound care, and a planned inpatient rehabilitation consult to optimize mobility and activities of daily living after reduction in spasticity.
Typical site of service: Hospital operating room with inpatient or same-day observation stay based on neurologic status and postoperative rehabilitation needs.
Typical service type: Major surgical procedure performed by a neurosurgeon or orthopedic spine surgeon, under general anesthesia, often with intraoperative neurophysiologic monitoring and anesthesia support.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
62 | Two surgeons |