CPT code 63301 denotes a transthoracic partial or complete excision of the main body of a single thoracic vertebra to remove an extradural lesion. This is a major thoracic spine surgical procedure that is clinically significant for treating epidural or extradural masses, metastatic disease, or compressive lesions that require direct vertebral body access. Nationally, the code informs coverage determinations, facility utilization, and resource planning for complex spine care.

Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for use of the code, common sites of service, and typical service descriptors. The publication also provides benchmarking and utilization perspectives, payer coverage considerations, and coding notes relevant to hospital and surgical billing teams.

This resource covers how 63301 is applied in clinical documentation and claims, summarizes expected service settings, and outlines what billing and policy professionals should track when monitoring spine surgery coding and coverage. Data not available in the input will be explicitly noted in relevant sections of the full publication.