CPT code 43112 denotes a McKeown (tri‑incisional) esophagectomy involving removal of most or all of the esophagus with gastric pull‑up and anastomosis to the pharynx or cervical esophagus, sometimes including pyloric widening. This complex, high‑acuity operation is a core procedure in thoracic and surgical oncology practice for proximal and extensive esophageal disease and has implications for perioperative resource use, length of stay, and postoperative rehabilitation needs. Key national payers evaluated include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare and Medicare. Readers will find a concise clinical context for the procedure, the typical inpatient surgical site of service, common modifiers used with major surgical codes, and the payer set covered in this summary. The publication highlights what stakeholders need to know about coding scope and clinical intent, and points to areas where policy updates and payer-specific authorization practices often affect utilization and documentation requirements. Data not available in the input is noted where applicable.