Summary & Overview
CPT 31781: Tracheal Stenosis Resection and Anastomosis
CPT code 31781 represents surgical resection of a narrowed segment of the cervicothoracic trachea with tracheal segment reapproximation to restore airway patency. This code captures definitive operative management of tracheal stenosis at the cervicothoracic junction, a complex thoracic procedure with implications for respiratory function and perioperative resource use. Nationally, accurate coding for these procedures affects case mix reporting, quality measurement for airway surgery, and facility and professional reimbursement patterns.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a clinical and billing overview of the procedure, how the service is typically delivered (operative setting and common perioperative considerations), and what to expect in terms of coding context. The publication provides benchmarks and coding guidance context where available, notes common modifiers used with this service, and summarizes policy and coverage considerations relevant to hospitals, thoracic surgeons, and coding professionals. The content is intended for a national audience of clinicians, coding professionals, and policy analysts seeking concise, practical information about CPT code 31781 and its role in surgical airway care.
Billing Code Overview
CPT code 31781 describes surgical excision of a narrowing (stenosis) of the cervicothoracic trachea with resection of the narrowed segment and primary anastomosis of the remaining trachea to reestablish the airway. The service type is surgical airway reconstruction for tracheal stenosis. The typical site of service is an inpatient or outpatient hospital operating room or an ambulatory surgical center that supports thoracic surgery and airway procedures.
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult with symptomatic cervicothoracic tracheal stenosis causing dyspnea, stridor, and impaired airflow after prolonged intubation, tracheostomy, prior tracheal injury, or post-infectious scarring. The patient presents to otolaryngology or thoracic surgery after pulmonary function testing and airway endoscopy confirm a focal tracheal narrowing involving the cervicothoracic junction. Preoperative workup includes flexible bronchoscopy, CT neck/chest with airway reconstruction, anesthesia evaluation, and discussion of airway management strategy (e.g., cross-field ventilation, jet ventilation, or extracorporeal support). In the operating room under general anesthesia, the surgeon exposes the cervicothoracic trachea, excises the stenotic segment, performs tracheal mobilization as needed, and rejoins healthy tracheal ends (primary end-to-end anastomosis) to reestablish the airway. Intraoperative adjuncts may include laryngeal mask placement, rigid bronchoscopy for inspection, and recurrent laryngeal nerve monitoring. Postoperative workflow includes ICU monitoring for airway compromise, humidified oxygen, neck positioning to reduce tension on the anastomosis, serial bronchoscopic surveillance, and follow-up pulmonary and speech/swallow evaluations as indicated.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | Use when work, time, or technical difficulty substantially exceeds typical for tracheal resection and anastomosis. |