ICD-10-PCS Billable Code

03CA0ZZ

Extirpation Ulnar Artery, Left to No Qualifier with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System3 Upper Arteries
OperationC Extirpation
Body PartA Ulnar Artery, Left
Approach0 Open
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Taking or cutting out solid matter from a body part

Procedure Overview

Extirpation procedures on the upper arteries remove solid matter that does not belong in the vessel, most commonly blood clots, atherosclerotic plaque, or embolic debris obstructing flow through arteries of the chest, neck, shoulder, and arm. This is typically performed urgently when a clot or embolus is cutting off circulation to the brain, arm, or hand, causing pain, numbness, weakness, or threatening tissue loss.

The technique can be open, through a surgical incision that exposes the artery directly, or percutaneous, using a catheter threaded through the vascular system to retrieve or suction out the obstructing material. Because the arteries feeding the arms and neck also supply the brain in several cases, such as the carotid and vertebral origins, timely extirpation can be critical to preventing stroke or permanent limb damage.

Anatomy & Axis Detail

Ulnar Artery, Left

The left ulnar artery courses along the medial forearm from the brachial bifurcation to help form the palmar arches, and its patency is a key determinant of hand perfusion, especially relevant given its role in collateral flow when the radial artery is compromised or used as a graft conduit. Extirpation of this vessel removes thrombus, embolus, or atherosclerotic debris from the lumen, a finding sometimes associated with repetitive trauma to the wrist such as hypothenar hammer syndrome or with embolization from a more proximal source. Restoring flow here protects against digital ischemia, and because hand vascular anatomy is coded by side, the left-sided designation is what differentiates this procedure from the analogous right ulnar artery code.

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

A code from this family is supported when the documentation describes removal of an abnormal solid substance, such as thrombus, embolus, or calcified plaque, from within an artery, using instruments, suction, or a retrieval device passed to the site. The coder needs to identify the specific artery and confirm whether the approach was open or percutaneous, since this affects the approach character even though the root operation stays the same.

A common mistake is coding a thrombectomy or embolectomy as Excision because tissue was technically cut during the access incision, when the actual objective and root operation is removal of the clot itself. Another frequent issue is failing to code an accompanying angioplasty or stent placement separately when the procedure note describes both clot removal and a subsequent intervention to keep the vessel open, since these represent distinct root operations performed in the same session.

Commonly Confused With

ExcisionExcision is the closest family conceptually, but the material removed there is native vessel tissue rather than an abnormal deposit like clot or plaque, so the distinguishing question is whether what came out was part of the artery or something foreign to it.
FragmentationFragmentation overlaps when plaque or thrombus is broken apart, but if the broken material is left in place after fragmentation rather than physically extracted, Extirpation does not apply.
DilationDilation procedures, which widen a narrowed artery using balloon or stent techniques, are frequently performed alongside extirpation in the same case, so coders must separate the clot removal from any subsequent vessel-opening intervention documented in the same operative report.