ICD-10-PCS Billable Code

03BS0ZX

Excision Temporal Artery, Right to Diagnostic with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System3 Upper Arteries
OperationB Excision
Body PartS Temporal Artery, Right
Approach0 Open
DeviceZ No Device
QualifierX Diagnostic

Operation Definition

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

Procedure Overview

Excision procedures on the upper arteries involve cutting out a portion of an artery in the chest, neck, shoulder, or arm without replacing the tissue removed. Surgeons perform this when a segment of vessel wall has been damaged by trauma, contains a diseased or aneurysmal section, or holds a tumor or growth that needs to be removed for diagnosis or treatment. Common targets include the subclavian, axillary, brachial, and carotid arteries, along with the thoracic aorta and its major branches supplying the upper body.

The removed tissue is often small relative to the vessel and does not always require reconstruction of the artery afterward, distinguishing it from more extensive resections. Patients undergo this procedure to address localized disease, obtain a biopsy sample, or clear away scarred or narrowed sections that are interfering with blood flow to the arms, neck, or brain.

Anatomy & Axis Detail

Temporal Artery, Right

The right temporal artery runs superficially just under the scalp anterior to the ear, making it easily palpable and one of the more accessible vessels in the head for direct surgical access. Excision of a segment is most often performed as a diagnostic temporal artery biopsy for suspected giant cell arteritis, where a length of vessel is removed for pathological examination, though segments are also excised for pseudoaneurysm following trauma or for arteriovenous fistula. Because the artery lies just beneath the skin along a predictable course from the zygomatic arch upward, the procedure can typically be done under local anesthesia through a small incision. Given that giant cell arteritis can be patchy and may affect one side more than the other, the right side is sometimes selected based on clinical findings such as tenderness or a palpable nodule, and laterality should be documented accordingly.

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.

Qualifier: Diagnostic

Applied chiefly to Excision, this qualifier marks that tissue was removed specifically for diagnostic purposes, i.e., a biopsy intended for pathologic evaluation rather than to treat disease. It distinguishes biopsy-type excisions from therapeutic excisions of the same body part, which are coded without this qualifier even though the physical technique may be identical.

Coding & Documentation

Coders assign an Excision code when the operative note documents that only a portion of the artery wall or a discrete lesion was cut out, with no device left behind to replace the excised tissue. Supporting documentation should specify the exact artery involved down to the branch level available in the code tables, since upper artery anatomy is finely subdivided between innominate, subclavian, axillary, brachial, and their many named branches.

The most frequent assignment error is confusing Excision with Resection when an entire arterial segment or branch is removed rather than just a portion, or with Extirpation when the material taken out is a clot, foreign body, or other abnormal solid matter rather than vessel tissue itself. Coders also need to check whether the excision was performed as a biopsy, which changes the qualifier used, and whether an autograft was harvested from the artery for use elsewhere, which is coded separately from a diagnostic or therapeutic excision.

Commonly Confused With

ExtirpationExtirpation is the family most often mixed up with Excision here, since both remove material from the artery, but Extirpation applies specifically to abnormal solid matter such as thrombus, embolus, or plaque rather than a portion of the vessel wall itself.
ResectionResection is similarly close but applies when an entire named arterial segment or branch is cut out rather than only part of it.
FragmentationFragmentation can also resemble Extirpation in intent but breaks obstructing material into pieces in place rather than removing it, so the operative note's description of whether material was taken out whole, in pieces, or left behind after being broken up determines which family applies.