ICD-10-PCS Billable Code

0BQ78ZZ

Repair Main Bronchus, Left to No Qualifier with No Device, Via Natural or Artificial Opening Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemB Respiratory System
OperationQ Repair
Body Part7 Main Bronchus, Left
Approach8 Via Natural or Artificial Opening Endoscopic
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Restoring, to the extent possible, a body part to its normal anatomic structure and function

Procedure Overview

Repair procedures in the respiratory system address damage or defects by restoring normal anatomy, and this family is used specifically when no other root operation more precisely describes what was done. Typical examples include suturing a lacerated lung after trauma, closing a persistent air leak from the lung surface, or repairing a bronchopleural fistula, an abnormal connection between the airway and the space around the lung.

Because Repair is the default category in ICD-10-PCS when a more specific root operation doesn't apply, the procedures grouped here are clinically varied. What unites them is the goal: reconstructing tissue or closing an opening so the respiratory structure functions as it did before injury or disease, without using a graft or synthetic material to replace tissue outright.

Anatomy & Axis Detail

Main Bronchus, Left

The left main bronchus is notably longer and more horizontally angled than the right, passing beneath the aortic arch before reaching the left lung, and this course predisposes it to compression injury, fistula formation, or anastomotic breakdown after pneumonectomy or sleeve resection that may require surgical repair. Because of its proximity to the aorta, esophagus, and left atrium, repairing a defect in the left main bronchus demands careful dissection to avoid injury to these mediastinal structures, and documentation should note the relationship of the defect to the aortic arch when relevant. Left main bronchial repair is distinguished from repair of the carina when the defect does not involve the tracheal bifurcation itself but is confined to the bronchus distal to it.

Approach: Via Natural or Artificial Opening Endoscopic

Via Natural or Artificial Opening Endoscopic describes instrumentation introduced through a natural orifice or a surgically created opening while using an endoscope for visualization, as in a routine colonoscopy performed through the anus. It differs from the plain Via Natural or Artificial Opening value by the added scope, and from Percutaneous Endoscopic by using an existing passage rather than a new skin puncture.

Coding & Documentation

Coders should first rule out every other root operation before defaulting to Repair, since it is meant as a residual category. Documentation needs to describe the defect being closed or the structure being reconstructed, and the coder must confirm no device or graft material was used, which would redirect the case to Replacement or Supplement instead. A common mistake is assigning Repair to a lung laceration that was actually managed with a patch or mesh, missing that Supplement is the more accurate code.

Commonly Confused With

Repair is most often mixed up with Supplement, used when biological or synthetic material reinforces tissue without replacing it, and with Resection or Excision when the surgeon actually cuts out damaged tissue rather than closing a defect. The distinguishing detail is whether material was added, tissue was removed, or the existing tissue was simply put back together.