0B734DZ
Dilation Main Bronchus, Right to No Qualifier with Intraluminal Device, Percutaneous Endoscopic Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | B Respiratory System |
| Operation | 7 Dilation |
| Body Part | 3 Main Bronchus, Right |
| Approach | 4 Percutaneous Endoscopic |
| 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
Main Bronchus, Right
The right main bronchus is the shorter, more vertically oriented of the two primary airways branching from the trachea, carrying air to the entire right lung, and its relatively wide caliber and steep angle make it a common site for aspirated foreign material as well as for stenosis from tumor or granulation tissue. Dilation here relieves an obstructing narrowing using balloon or rigid bronchoscopic technique, restoring airflow to the right upper, middle, and lower lobes that all depend on this single conduit. Because obstruction proximal to the lobar branch points can collapse an entire lung, dilation of the right main bronchus is distinguished in documentation from dilation limited to one of its lobar branches, which affects only part of the lung.
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.
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.