ICD-10-PCS Billable Code

0BQL4ZZ

Repair Lung, Left to No Qualifier with No Device, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemB Respiratory System
OperationQ Repair
Body PartL Lung, Left
Approach4 Percutaneous 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

Lung, Left

The left lung consists of only two lobes separated by a single oblique fissure and is smaller in volume than the right lung to accommodate the heart's leftward position, a feature reflected in its narrower, more angulated main bronchus. Repair coded at the whole-lung level applies when a structural defect, such as a diffuse laceration or extensive fistula, involves more than one lobe or cannot be attributed to a single lobar segment. The procedure reestablishes the integrity of the lung's parenchyma and pleural surface without removing or replacing tissue. Given the left lung's closer anatomic relationship to the heart and great vessels, repairs spanning the whole organ often occur in the context of penetrating chest trauma, and documentation should confirm that the defect is not confined to the upper or lower lobe before coding at this broader level.

Approach: Percutaneous Endoscopic

Percutaneous Endoscopic combines a puncture through skin or mucous membrane with insertion of an endoscope to visualize the procedure internally, as in laparoscopic cholecystectomy. It is distinguished from plain Percutaneous by the presence of scope-guided visualization, and from Via Natural or Artificial Opening Endoscopic by its route being a new puncture rather than an existing orifice or stoma.

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.