CPT code 44137 denotes the surgical identification and complete removal (explantation) of a small intestine graft. This code is used when a provider surgically removes an implanted small intestine graft due to complications, graft failure, or clinical necessity. It represents a specialized surgical service with implications for perioperative care, graft registry reporting, and transplant program operations. Nationally, accurate use of this code supports billing clarity, quality measurement, and resource planning for transplant and complex abdominal surgery programs.

Key payers addressed in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of coding purpose and clinical context, payer coverage considerations, and the types of benchmarks and policy issues commonly associated with complex graft explantation services. The publication outlines expected sites of service, typical clinical scenarios prompting explantation, and the administrative coding considerations that affect billing and claims processing. Where specific input data is missing, the report notes that information is not available in the input. The focus is national in scope and intended for coding professionals, clinical program managers, and health policy analysts seeking concise guidance on CPT code 44137.