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2025 CPT code 31770

Repair of an airway using a graft or patch.

Consult the official CPT coding guidelines for detailed instructions and specific scenarios.Use of modifiers may be indicated depending on the circumstances of the procedure.

Modifiers may be applicable depending on the circumstances of the procedure (e.g., 22 for increased procedural services, 51 for multiple procedures, 76 for repeat procedure). Consult the official CPT coding guidelines for a comprehensive list of applicable modifiers.

Medical necessity for bronchoplasty with a graft is established when there is a significant bronchial defect that compromises airway patency, leading to respiratory compromise. The defect may be caused by trauma, congenital malformation, or surgical resection of a malignancy.The use of a graft is necessary to reconstruct the airway and prevent stenosis, improving respiratory function and overall patient outcome.Documentation must support the need for the procedure.

The surgeon incises the bronchus, repairs the defect, and places a synthetic or cartilage graft to restore the airway.

In simple words: This surgery repairs a damaged airway using a patch or graft. The surgeon makes an incision to reach the damaged part of the airway (bronchus) and uses a patch (made of synthetic or cartilage material) to fix it and restore normal breathing.

Bronchoplasty with graft or patch involves surgical repair and reconstruction of a bronchus.The procedure is performed under anesthesia with the patient in the supine position. An incision is made to access the affected bronchus. A synthetic or cartilage graft is then placed over the bronchial defect to restore airway patency and eliminate obstruction.

Example 1: A patient presents with a traumatic bronchial rupture following a motor vehicle accident.A bronchoplasty with graft is performed to repair the tear and restore airway patency., A patient with a bronchogenic carcinoma undergoes a lobectomy. During the procedure, a significant portion of the main bronchus is resected.A bronchoplasty with a graft is required to reconstruct the airway and prevent stenosis., A patient with a congenital tracheobronchomalacia experiences recurrent airway obstruction.A bronchoplasty with a cartilage graft is used to reinforce the weakened bronchial walls, improving airway stability and reducing obstruction.

* Preoperative imaging (e.g., CT scan, bronchoscopy) to delineate the extent of the bronchial defect.* Operative report detailing the surgical technique, graft type, and placement.* Postoperative imaging (e.g., chest x-ray) to assess airway patency and confirm graft position.* Pathology report if a malignancy is involved.

** The type of graft material used (synthetic vs. cartilage) should be documented.The specific location and extent of the bronchial defect should also be clearly documented in the operative report.

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