ICD-10-PCS Billable Code

0BF77ZZ

Fragmentation Main Bronchus, Left to No Qualifier with No Device, Via Natural or Artificial Opening Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemB Respiratory System
OperationF Fragmentation
Body Part7 Main Bronchus, Left
Approach7 Via Natural or Artificial Opening
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Breaking solid matter in a body part into pieces

Procedure Overview

Fragmentation breaks solid material within the airway or lung into smaller pieces without removing it in the same step, typically used on a calcified broncholith, an impacted foreign body, or thick, hardened secretions that are too large or firm to extract intact. Mechanical, laser, or other energy-based tools are used to shatter or break up the material so it can pass naturally or be removed afterward through a separate action.

Anatomy & Axis Detail

Main Bronchus, Left

The left main bronchus is longer and more horizontal than its right counterpart, making it a common site for lodged foreign bodies, thick secretions, or calcified nodal material eroding into the airway lumen in patients with prior granulomatous disease. Fragmentation breaks up this obstructing material into smaller, more manageable pieces using bronchoscopic tools such as laser probes, cryotherapy, or mechanical crushing instruments, leaving the fragments in the airway rather than withdrawing them. Its proximity to the carina and left pulmonary artery means the procedure demands precise scope control to avoid airway trauma or vascular injury. Coders should confirm the specific segment treated and note that any subsequent clearing of debris constitutes a distinct extraction procedure recorded separately from the fragmentation itself.

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.

Coding & Documentation

The operative note needs to show that breaking up the material was the extent of the procedure being coded, since if the fragments were then physically taken out, that separate removal step is coded to Extirpation in addition to Fragmentation. Documentation should specify the tool used (mechanical lithotripsy device, laser) and the target material's location within the tracheobronchial tree. A frequent mistake is coding only Fragmentation when the physician's note actually describes both breaking up and retrieving the debris, which requires two codes, or coding Extirpation alone when fragmentation was a distinct, separately documented step.

Commonly Confused With

ExtirpationExtirpation is the natural companion procedure - Fragmentation breaks matter apart while Extirpation takes it out, and many encounters require both codes when a rigid or large obstruction is shattered and then retrieved.
ExtractionExtraction is a different mechanism entirely, involving pulling intact tissue or material free by force rather than breaking it into pieces.