Summary & Overview
CPT 63273: Sacral Laminectomy with Intradural Lesion Excision
CPT code 63273 represents a sacral laminectomy with excision of an intradural spinal cord lesion. This code captures a complex neurosurgical procedure performed to remove tumors or other pathological tissue located within the dura of the sacral spinal canal. The procedure is significant nationally because it involves high-resource operative care, specialized surgical skill, and inpatient perioperative management, factors that affect coding, reimbursement, and utilization oversight.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will gain a concise understanding of the clinical intent of the code, typical site-of-service implications, and the kinds of benchmarks and policy considerations commonly associated with high-complexity spinal surgery codes. The publication outlines relevant utilization benchmarks and payer policy themes, highlights documentation elements that support code assignment, and summarizes clinical context such as indications and procedural scope.
This executive summary is intended for a national audience of clinicians, coding professionals, and payer analysts seeking a clear reference for CPT code 63273 and the operational and policy issues that accompany intradural spinal surgery coding.
Billing Code Overview
CPT code 63273 describes a surgical procedure in which the provider removes part of the sacral lamina and excises an intradural lesion of the spinal cord. "Intradural" indicates the lesion is located inside the dura mater, the tough outer membrane surrounding the central nervous system.
Service type: Surgical — spinal intradural tumor resection with sacral laminectomy
Typical site of service: Hospital operating room or inpatient surgical unit, reflecting the invasive nature of the procedure and the need for operative facilities and postoperative monitoring.
Clinical & Coding Specifications
Clinical Context
A typical patient is a 45–65 year-old adult presenting with progressive low back pain, sciatica, saddle anesthesia, or lower extremity weakness. MRI of the lumbar/sacral spine identifies an intradural intramedullary or intradural extramedullary lesion localized to the sacral canal (for example: schwannoma, meningioma, ependymoma, or other intradural neoplasm). After neurosurgical consultation, the patient is scheduled for surgical excision of the intradural lesion with a limited sacral laminectomy. The clinical workflow includes preoperative evaluation (history, neurological exam, MRI with and without contrast), informed consent, preoperative anesthesia assessment, operative removal of a portion of the sacral lamina and microsurgical intradural dissection and excision of the lesion, intraoperative neurophysiologic monitoring as indicated, postoperative monitoring in PACU or ICU based on neurologic status, pain control, wound care, and scheduled postoperative follow-up with repeat imaging to assess for residual tumor. Hospital inpatient or ambulatory surgical center settings are common depending on acuity and comorbidity. Typical documentation includes operative note specifying the sacral level(s) lamina removed, intradural exposure, lesion description, extent of resection, dural closure, and any intraoperative complications.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | Use when work is substantially greater than typical for (extensive dissection, prolonged time) and well-documented. |