ICD-10-PCS Billable Code

0BWL70Z

Revision Lung, Left to No Qualifier with Drainage Device, Via Natural or Artificial Opening Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemB Respiratory System
OperationW Revision
Body PartL Lung, Left
Approach7 Via Natural or Artificial Opening
Device0 Drainage Device
QualifierZ No Qualifier

Operation Definition

Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device

Procedure Overview

Revision procedures address a respiratory device that was previously implanted and has since malfunctioned, shifted out of position, or otherwise stopped working as intended - without removing it for good and starting over. Common examples include repositioning a displaced tracheostomy tube, adjusting or repairing a bronchial stent that has migrated, or fixing a malfunctioning diaphragmatic pacing device. The purpose is to restore the device to proper function using the least disruptive approach possible.

Patients typically undergo this after reporting symptoms tied to a device problem - difficulty breathing through a shifted stent, discomfort from a displaced tube, or failure of an implanted stimulator - rather than as part of planned, routine care.

Anatomy & Axis Detail

Lung, Left

Revision of the left lung parallels its right-sided counterpart, most often involving correction of an endobronchial valve, fiducial marker, or other device placed within the left upper or lower lobe that has shifted, become occluded by mucus or granulation tissue, or otherwise stopped functioning as intended. The left lung's two-lobe anatomy and closer relationship to the heart and mediastinum can influence how devices settle over time, so revision here may also address complications from prior lung volume reduction procedures or biopsy marker placement. As with the right lung, the operative or bronchoscopy report should identify the specific device and its original indication so the revision is clearly linked to correcting that prior intervention rather than representing a new procedure.

Approach: Via Natural or Artificial Opening

Via Natural or Artificial Opening means the instrument reaches the target site by passing through an existing body orifice, such as the mouth or urethra, or a surgically created opening like a stoma, without additional incision or scope guidance. It is distinguished from the Endoscopic variant by the absence of a visualizing scope, and from External by actually traversing into the body through that opening.

Device: Drainage Device

Drainage Device denotes a device such as a tube or catheter left in place to remove fluid, blood, or air from a body part or cavity following a procedure. It is distinguished from Monitoring Device, which senses and records physiologic data rather than evacuating substances from the body.

Coding & Documentation

The clinical note must clearly identify that an existing device is being adjusted, repaired, or repositioned rather than newly placed or permanently taken out. Coders should look for terms like "repositioned," "revised," or "repaired malfunctioning stent" and confirm which specific device and respiratory structure are involved.

A common assignment mistake is coding Revision when the device is actually being removed and replaced with a new one, which instead falls under Removal followed by Insertion or Replacement, or missing Revision entirely when a note only mentions "stent adjustment" without spelling out that the original device stays in place.

Commonly Confused With

RemovalRemoval is often mixed up with Revision - Removal takes a device out entirely with no correction performed, while Revision corrects the device or its position in place.
ReplacementReplacement is also distinct: if the malfunctioning device is swapped for a brand-new one rather than fixed, that combination of Removal and Replacement applies instead of Revision.