0B780DZ
Dilation Upper Lobe Bronchus, Left to No Qualifier with Intraluminal Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | B Respiratory System |
| Operation | 7 Dilation |
| Body Part | 8 Upper Lobe Bronchus, Left |
| Approach | 0 Open |
| Device | D Intraluminal Device |
| Qualifier | Z No Qualifier |
Operation Definition
Expanding an orifice or the lumen of a tubular body part
Procedure Overview
Dilation procedures in the respiratory system widen a narrowed airway, most often the trachea or a bronchus, to restore normal airflow. A balloon catheter or similar device is guided to the narrowed segment, typically through a bronchoscope, and inflated to stretch the tissue open; in some cases a stent is left behind afterward to help hold the airway open, though the dilation itself is the act of expanding the passage.
This procedure is performed when scarring from prior intubation, surgery, radiation, or a tumor pressing on the airway has caused stenosis that makes breathing difficult. Widening the airway can relieve shortness of breath, reduce the work of breathing, and, in urgent cases, prevent complete airway obstruction.
Anatomy & Axis Detail
Upper Lobe Bronchus, Left
The left upper lobe bronchus branches from the left main bronchus to ventilate the upper lobe, including the lingular segments that in the left lung take the place of a separate middle lobe, and it can narrow due to endobronchial tumor, post-inflammatory scarring, or extrinsic nodal compression. Bronchoscopic dilation with balloon catheters reopens the stenotic segment to restore airflow and prevent recurrent atelectasis or infection isolated to the upper lobe. Because the lingula is sometimes treated as an extension of the left upper lobe bronchus and sometimes addressed via its own separate lingular bronchus, the procedure note should specify precisely which segment was dilated so the correct body part is captured rather than defaulting to the upper lobe designation.
Approach: Open
Open approach means the surgeon cuts through skin, mucous membrane, or other tissue layers to physically expose the target site to view before performing the procedure. It gives direct visualization and hands-on access, distinguishing it from Percutaneous approaches where instruments pass through a small puncture without exposing the site. Open is typical for procedures needing wide access, such as most laparotomies.
Device: Intraluminal Device
Intraluminal Device denotes a single device, such as a stent or occlusion device, positioned within the lumen of a tubular body part like a vessel, duct, or airway to maintain patency or occlude flow. It carries no drug coating or radioactivity, distinguishing it from the drug-eluting, radioactive, and bioactive intraluminal device values, and from Extraluminal Device, which sits outside rather than inside the lumen.
Coding & Documentation
Coders should look for documentation confirming that a stenotic segment of the airway was mechanically expanded, typically with balloon bronchoplasty, and should note whether a stent was placed afterward, since stent placement is coded separately as a device value on the Dilation code. Bronchoscopy notes describing "balloon dilation of tracheal stenosis" or "bronchoplasty" generally support this code. A frequent mistake is failing to capture the device qualifier when a stent is left in place, or conversely coding a stent placement alone as Dilation when no actual widening of tissue occurred beforehand.
Commonly Confused With
Dilation is sometimes confused with Restriction, which narrows or partially closes a body part rather than opening it, and with Bypass, which reroutes contents around an obstruction rather than opening the existing pathway. The distinguishing factor is that Dilation works within the native lumen to make it wider, without creating a new route or narrowing anything.