CPT code 61782 denotes an add-on image-guided navigation service used in extradural cranial surgeries, combining computer navigation with CT and/or MRI to assist in precise localization during high-risk procedures such as tumor resections and vascular malformation interventions. Nationally, this code captures the use of advanced intraoperative imaging guidance that can affect procedure complexity, resource use, and billing when appended to a primary cranial surgical service.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context, common claim modifiers, typical sites of service, and the operational role of CPT code 61782 as an add-on navigation technology. The publication outlines benchmarks and policy considerations relevant to hospitals and neurosurgical centers, highlights typical billing practice considerations for high-acuity cranial cases, and summarizes areas where payers commonly apply edits or prior authorization.

This national summary is intended to orient coding, billing, and clinical teams to the purpose and application of CPT code 61782, explain where it is used clinically, and identify the main payers that adjudicate claims for image-guided extradural cranial navigation.