ICD-10-PCS Billable Code

03RH07Z

Replacement Common Carotid Artery, Right to No Qualifier with Autologous Tissue Substitute, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System3 Upper Arteries
OperationR Replacement
Body PartH Common Carotid Artery, Right
Approach0 Open
Device7 Autologous Tissue Substitute
QualifierZ No Qualifier

Operation Definition

Putting in or on biological or synthetic material that physically takes the place and/or function of all or a portion of a body part

Procedure Overview

Replacement procedures take out a diseased or damaged segment of an upper artery and put in biological or synthetic material, such as a graft, to physically stand in for the tissue that was removed. This differs from simply patching or reinforcing a vessel, since Replacement involves substituting material that takes over both the structure and function of the artery segment that's gone.

This approach is used when a section of artery, in the subclavian, axillary, brachial, or related upper-extremity vessels, is too diseased, aneurysmal, or damaged to be safely repaired and left in place. A synthetic graft, a segment of the patient's own vein, or donor tissue is sewn in to reconnect the artery and restore blood flow through that portion of the limb or upper body.

Replacement is a more involved undertaking than a straightforward repair, since it typically requires removing the compromised segment of vessel first before positioning and securing the substitute material in its place.

Anatomy & Axis Detail

Common Carotid Artery, Right

The right common carotid artery ascends through the neck without branching until it divides into internal and external carotid vessels, and it serves as the principal conduit of blood to the right side of the head and neck. Replacement of this artery is performed when a segment is compromised by extensive atherosclerotic disease not amenable to endarterectomy, by aneurysmal degeneration, by dissection, or by tumor invasion requiring resection. A prosthetic graft or, less commonly, an autologous vein is used to reconstruct the vessel and restore continuous flow toward the brain. Because the carotid bifurcation lies close by, surgeons must carefully preserve or reconstruct the branch point, and documentation should specify whether the replaced segment includes any portion of the bifurcation itself.

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.

Device: Autologous Tissue Substitute

Autologous Tissue Substitute identifies a device value where material harvested from the patient's own body, such as an autograft, is used to replace or reconstruct a body part. Its defining feature is tissue origin from the patient, setting it apart from Nonautologous Tissue Substitute, sourced from a donor or animal, and Synthetic Substitute, made of manufactured material.

Coding & Documentation

Coders assign Replacement when documentation shows a segment of artery was excised or otherwise taken out and a graft, whether autologous vein, synthetic conduit, or donor tissue, was placed to take over that segment's function. The device value must reflect the specific material used, and the note should make clear that the graft is replacing removed tissue rather than being layered onto tissue that remains in place.

A frequent coding error is applying Replacement when the surgeon actually performed a Bypass, creating an alternate route around a blockage while leaving the diseased segment in place; Replacement requires that the original tissue segment be taken out, while Bypass does not. Coders also sometimes miss the distinction between Replacement and Supplement when a graft is used to reinforce rather than substitute for arterial tissue, and they should check the operative description for whether native tissue was removed before the graft was placed.

Commonly Confused With

BypassBypass is the procedure most often confused with Replacement, since both can involve using graft material in the upper arteries; the key difference is that Bypass reroutes blood flow around a diseased segment that is left in place, while Replacement removes the diseased segment and substitutes material directly in its place.
SupplementSupplement is also easily mixed up with Replacement, but Supplement adds reinforcing material to a vessel segment that remains largely intact, whereas Replacement takes that segment out entirely.
RepairRepair can be confused with Replacement in cases involving a graft patch, but Repair does not involve removing and substituting a full arterial segment the way Replacement does.