Headline: CPT code 21602 covers resection and reconstruction for chest wall tumors involving the ribs. Lead: CPT code 21602 captures surgical management of chest wall tumors that necessitate rib resection and reconstructive work with myocutaneous flaps and bone grafts or prosthetic materials, a high-acuity procedure with implications for surgical planning, resource use, and payer coverage.

CPT code 21602 represents removal of a chest wall tumor that extends into the ribs with immediate reconstruction of the chest wall defect using myocutaneous flaps and bone grafts or prosthetic rib materials. This code is important nationally because it denotes complex oncologic and reconstructive surgery that typically requires multidisciplinary teams, inpatient resources, and specialized surgical expertise. Proper coding affects reimbursement, surgical quality tracking, and care coordination for thoracic oncology patients.

Key payers referenced include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication provides readers with benchmarks and payer considerations, clinical context for appropriate use, and coding guidance to support claims submission. It summarizes utilization patterns, common billing modifiers (listed separately), and the clinical scenarios where this code is most applicable.

Readers will learn: the clinical scope and service setting of CPT code 21602; typical reconstructive techniques described by the code; high-level policy and coverage themes relevant to major national payers; and where to find related coding references. Data not available in the input is noted where applicable.