ICD-10-PCS Billable Code

03BU4ZZ

Excision Thyroid Artery, Right to No Qualifier with No Device, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System3 Upper Arteries
OperationB Excision
Body PartU Thyroid Artery, Right
Approach4 Percutaneous Endoscopic
DeviceZ No Device
QualifierZ No Qualifier

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

Thyroid Artery, Right

The right thyroid artery, most often the superior thyroid artery arising near the carotid bifurcation, supplies the upper pole of the thyroid gland and lies in close proximity to the external branch of the superior laryngeal nerve. Excision of a segment is performed in the context of extensive neck dissection for thyroid or laryngeal cancer, for a vascular malformation, or when the vessel is involved by an enlarging thyroid mass that has invaded the arterial wall, distinguishing this from the routine ligation of thyroid vessels performed during standard thyroidectomy. Because of its course near the laryngeal nerve, meticulous dissection is required to avoid voice changes, and surgeons often identify and preserve the nerve before addressing the artery itself. Right-sided laterality must be specified, since thyroid arteries are tracked separately for each side in this coding system.

Approach: Percutaneous Endoscopic

Percutaneous Endoscopic combines a puncture through skin or mucous membrane with insertion of an endoscope to visualize the procedure internally, as in laparoscopic cholecystectomy. It is distinguished from plain Percutaneous by the presence of scope-guided visualization, and from Via Natural or Artificial Opening Endoscopic by its route being a new puncture rather than an existing orifice or stoma.

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.