Summary & Overview
CPT 63035: Laminotomy with Nerve Root Decompression, Additional Interspace
CPT code 63035 denotes an additional-level laminotomy with nerve root decompression and may involve partial facetectomy, foraminotomy, or removal of a herniated disc. This surgical procedure, performed via open or endoscopic approaches, is used to relieve radicular compression in the cervical or lumbar spine and is a common adjunct when multilevel decompression is required.
Nationally, CPT code 63035 is relevant to hospital-operated operating rooms, ambulatory surgery centers, and inpatient surgical services where spine surgery is delivered. Major payers included in this analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Payer coverage policies, prior authorization requirements, and site-of-service payment differentials influence coding, claim submission, and utilization patterns for this code.
Readers will find a concise overview of clinical intent and typical settings for use, payer coverage scope, and the billing context for additional-level laminotomy procedures. The publication summarizes benchmarking points, summarizes relevant policy considerations that affect coding and reimbursement, and provides clinical context to support accurate claim reporting for CPT code 63035. Data not available in the input is noted where applicable.
Billing Code Overview
CPT code 63035 describes a laminotomy of each additional cervical or lumbar interspace with decompression of the nerve root(s). The procedure includes a partial facetectomy, foraminotomy, and/or excision of a herniated intervertebral disc, and covers both open and endoscopic approaches.
Service type: Spinal decompression/laminotomy for nerve root decompression
Typical site of service: Hospital inpatient or outpatient surgical center, or ambulatory surgical facility, depending on clinical complexity and payer authorization.
Clinical & Coding Specifications
Clinical Context
A 54-year-old patient presents with progressive unilateral radicular arm pain, sensory loss in a cervical dermatomal distribution, and objective motor weakness after conservative care for 8–12 weeks. MRI demonstrates a posterolateral C6–7 herniated nucleus pulposus compressing the C7 nerve root. After failed conservative management and correlating physical exam and imaging, the surgeon schedules a decompressive laminotomy with partial facetectomy and foraminotomy to relieve the nerve root. The procedure can be performed via open or endoscopic approach in an operating room at an ambulatory surgery center or hospital. Typical workflow includes preoperative evaluation, imaging review, intraoperative neuromonitoring as indicated, administration of anesthesia, surgical decompression at the affected interspace (63035 for each additional cervical interspace when combined with a primary laminotomy code), immediate postoperative recovery in PACU, and short-term outpatient or inpatient postoperative follow-up for wound and neurologic assessment.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
11 | Standard designation for an office or facility charged for the service | When billing normal, uncomplicated performance of the procedure |