ICD-10-PCS Billable Code

0BL88ZZ

Occlusion Upper Lobe 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
OperationL Occlusion
Body Part8 Upper Lobe Bronchus, Left
Approach8 Via Natural or Artificial Opening Endoscopic
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Completely closing an orifice or the lumen of a tubular body part

Procedure Overview

This family describes procedures that completely close off part of the airway, most often to stop air or secretions from passing through a specific bronchus or to control a leak. A common application is placing an endobronchial valve to block airflow into a diseased or overinflated portion of the lung, a technique used in lung volume reduction for severe emphysema or to seal a persistent air leak after surgery or trauma. Occlusion may also be used to manage a bronchopleural fistula by blocking the affected airway segment, giving the surrounding lung tissue a chance to heal.

Anatomy & Axis Detail

Upper Lobe Bronchus, Left

The left upper lobe bronchus is anatomically distinctive because the left lung lacks a separate middle lobe; instead this bronchus gives off a lingular branch in addition to the segments supplying the true upper lobe. Occlusion here is generally reserved for lobar-confined hemoptysis, a persistent air leak localized to the lobe, or staged management of a bronchopleural fistula where resection is not yet appropriate. Because the lingular takeoff is close to the main bifurcation, the position of the occluding device relative to that branch point determines whether lingular ventilation is preserved or sacrificed along with the rest of the lobe, a distinction that matters for both technique and outcome.

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 select this family when the documentation describes a deliberate, complete blockage of an airway lumen, whether achieved with an implanted valve, coil, or other blocking material, or by suturing or clipping a bronchus shut. The device value and specific bronchial or tracheal body part must match the operative note precisely, since occlusion is frequently performed at a segmental or subsegmental level. A common error is coding a therapeutic valve placement as Insertion alone without recognizing that the intent to block airflow makes Occlusion the more accurate root operation, or missing that occlusion of a bronchus during lobectomy for stump closure is typically integral to the resection and not coded separately.

Commonly Confused With

RestrictionOcclusion is often confused with Restriction, which narrows rather than completely closes a lumen; a partially constricting band would be Restriction, while a valve or ligature that stops all airflow is Occlusion.
ExcisionIt also differs from Excision, since occlusion leaves the airway segment in place but nonfunctional rather than removing tissue.