03Q10ZZ
Repair Internal Mammary Artery, Left to No Qualifier with No Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 3 Upper Arteries |
| Operation | Q Repair |
| Body Part | 1 Internal Mammary Artery, Left |
| Approach | 0 Open |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Restoring, to the extent possible, a body part to its normal anatomic structure and function
Procedure Overview
Repair procedures on the upper arteries restore a vessel to its normal structure and function when it has been damaged, without using a root operation that more precisely describes what was done, such as replacing tissue or bypassing a blockage. This is often described as the default or "not elsewhere classified" repair category, used when a surgeon fixes a defect but the fix doesn't fit a more specific root operation.
Typical situations calling for Repair include suturing a laceration in an artery caused by trauma or an accidental injury during another procedure, closing a puncture site left after a catheter-based intervention when simple pressure or a closure device wasn't enough, or mending a small tear or defect in the vessel wall. It's also used for procedures like suture repair of an injured brachial or axillary artery following an orthopedic injury.
Because Repair is a broad, catch-all category, it applies across many clinical scenarios in the upper extremities and neck vessels, wherever the goal is simply putting the artery back into its normal working condition.
Anatomy & Axis Detail
Internal Mammary Artery, Left
The left internal mammary artery, a branch of the subclavian artery coursing behind the anterior chest wall, is repaired following traumatic injury, catheter-related puncture, or unintended laceration during thoracic procedures, since its close proximity to the sternum makes it vulnerable during median sternotomy and chest tube placement. This vessel holds particular clinical importance because it is the preferred conduit for bypassing the left anterior descending coronary artery, so surgeons take special care to control bleeding or close a defect without compromising its usability as a future or existing graft. Repair restores normal integrity of the artery wall through suturing or direct closure rather than replacement or rerouting, and documentation should specify the approach, whether open through the chest or a minimally invasive endoscopic technique.
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.
Coding & Documentation
Coders turn to Repair when the operative report describes suturing, patching, or otherwise closing a defect in an artery, and no other root operation, such as Replacement, Restriction, or Bypass, more specifically captures the technique used. The note should describe the nature of the injury or defect (laceration, puncture, tear) and confirm that the repair simply restored the vessel rather than replacing tissue with graft material or rerouting flow.
The most common error is defaulting to Repair too quickly, when the documentation actually supports a more specific root operation; coding guidelines require selecting the most precise operation available, so Repair should only be used when nothing else fits. Another frequent issue is coders missing that a patch graft used to widen or reinforce a repaired segment may shift the correct root operation toward Supplement rather than Repair, depending on whether native tissue is being reinforced with additional material.