ICD-10-PCS Billable Code

04BC0ZZ

Excision Common Iliac Artery, Right to No Qualifier with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System4 Lower Arteries
OperationB Excision
Body PartC Common Iliac Artery, Right
Approach0 Open
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Cutting out or off, without replacement, a portion of a body part

Procedure Overview

This family describes surgical procedures that cut out a portion of a lower extremity artery without replacing what is removed, typically to obtain a tissue sample for diagnosis or to remove a segment of diseased vessel wall. Unlike procedures aimed at reopening or bypassing a blocked artery, Excision here is about physically taking a piece of the vessel itself, whether for biopsy purposes or as a limited resection.

Common reasons for this procedure include biopsying a suspicious arterial wall lesion, removing a small aneurysmal segment that does not require full graft replacement, or excising a portion of vessel affected by infection or tumor invasion. The remainder of the artery is generally left in place and, depending on the clinical situation, may be repaired or simply closed.

Because only a portion of the body part is taken and no replacement graft is inherently part of this root operation, Excision in the lower arteries is usually a more limited intervention than a full arterial resection and reconstruction, reserved for situations where sampling or partial removal addresses the clinical problem.

Anatomy & Axis Detail

Common Iliac Artery, Right

The right common iliac artery is a large paired vessel formed by the aortic bifurcation, supplying blood to the right pelvis and lower limb before dividing into internal and external branches. A segment is excised chiefly for aneurysmal disease, which can present with a risk of rupture, or for severe atherosclerotic occlusion causing claudication or limb ischemia, with the removed segment usually replaced by a graft. Its proximity to the right common iliac vein, ureter, and lumbosacral nerve trunk means the dissection must proceed carefully to avoid injury to these adjacent structures. Because this vessel is a major conduit for lower extremity perfusion, documentation should note the extent of the excised segment and the type of reconstruction performed to restore continuity.

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

Coding this family correctly depends on documentation confirming that a portion, not the entirety, of the specific named lower artery was cut out and removed from the body, along with the approach used to reach it. If the pathology or operative report indicates the entire named vessel segment was removed, Resection rather than Excision is the appropriate root operation, so coders must read closely for that distinction.

A frequent error is defaulting to Excision for any biopsy-related procedure without checking whether the tissue was actually excised versus merely sampled with a needle, which may instead be coded differently depending on technique. Another common mistake is failing to code a concurrent repair, such as suture closure of the arteriotomy, separately when it represents more than the value included in the excision itself, or conversely coding a repair that is inherent to the excision procedure.

Commonly Confused With

ResectionExcision is most often confused with Resection, and the deciding factor is always completeness: Resection requires the entire body part to be cut out, while Excision takes only a portion.
ExtirpationIt is also distinguished from Extirpation, which removes abnormal solid matter such as plaque or thrombus rather than a piece of the artery's own structure, and from Destruction, where tissue is eradicated in place rather than physically removed.
ReplacementWhen an excised segment is replaced with a graft, an additional Replacement code may be needed alongside or instead of Excision, depending on how the operative note characterizes the extent of vessel removed.