CPT code 74261 denotes a computed tomography (CT) examination of the colon performed without contrast, commonly called CT colonography without contrast. Nationally, this code captures a noninvasive imaging alternative for evaluating the large intestine when contrast administration is not used or contraindicated. It is relevant for radiology departments, outpatient imaging centers, and payers that cover diagnostic CT services.

Key payers in the scope of typical coverage discussions include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of clinical context for CT colonography without contrast, typical sites of service, and the types of benchmarks and policy considerations often relevant to this service. The publication summarizes payer coverage patterns, utilization benchmarks where available, and recent policy drivers affecting diagnostic CT imaging reimbursement and authorization practices.

This report is intended to inform coding professionals, radiology administrators, and reimbursement analysts about the clinical purpose of CPT code 74261, payer coverage landscapes, and the operational implications for delivering CT colonography without contrast. Data not available in the input where specific benchmarking or detailed payer policy terms would otherwise appear.