CPT code 49435 covers placement of an abdominal catheter extension that is tunneled subcutaneously to an upper chest exit site when performed during the same session as intraperitoneal cannula or catheter placement. This code documents an important step in establishing secure, long-term peritoneal access for therapies such as intraperitoneal medication delivery or dialysis and has implications for procedure reporting, device management, and facility billing nationally. Major payers addressed in this publication include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.

Readers will find a concise explanation of the clinical service represented by the code, the typical sites of service, and the procedural context. The review summarizes payer coverage patterns and common modifiers used with this procedure where available, clarifies coding intent, and highlights billing considerations relevant to hospital and ambulatory surgical settings. The publication also outlines what benchmark metrics and policy updates are typically relevant for this type of device-placement procedure. Data not provided in the input are identified explicitly where applicable to guide further verification.