ICD-10-PCS Billable Code

03L74CZ

Occlusion Brachial Artery, Right to No Qualifier with Extraluminal Device, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System3 Upper Arteries
OperationL Occlusion
Body Part7 Brachial Artery, Right
Approach4 Percutaneous Endoscopic
DeviceC Extraluminal Device
QualifierZ No Qualifier

Operation Definition

Completely closing an orifice or the lumen of a tubular body part

Procedure Overview

Occlusion procedures on the upper arteries close off the lumen of a vessel completely, cutting off blood flow through that specific segment. Surgeons and interventional specialists use this approach to stop bleeding, seal off an aneurysm, or block blood supply to a tumor or an abnormal tangle of vessels before it can cause harm. The upper arteries covered here include branches such as the innominate, subclavian, axillary, brachial, and the vessels supplying the head, neck, and upper limb.

A common reason for occluding one of these arteries is to treat an aneurysm that cannot be safely repaired by reinforcing its wall. Instead, the vessel feeding it is sealed so pressure inside the bulge drops and the risk of rupture falls. Occlusion is also used to control hemorrhage after trauma, to manage arteriovenous malformations, or to reduce blood flow to a vascular tumor before it is surgically removed, making the operation less bloody.

The closure itself may be achieved with a clip, a ligature, coils delivered through a catheter, or an injected embolic agent, and it can be done through an open incision or a minimally invasive endovascular route.

Anatomy & Axis Detail

Brachial Artery, Right

The right brachial artery runs down the medial aspect of the upper arm as the direct continuation of the axillary artery, ultimately dividing into the radial and ulnar arteries near the elbow, and it is a common site for blood pressure measurement and catheter access. Occlusion of this vessel is generally performed to address a pseudoaneurysm from prior catheterization, a traumatic laceration, or an arteriovenous fistula, and occasionally to manage complications from vascular access used during cardiac or peripheral procedures. Its relatively superficial course at the elbow crease and along the medial arm makes it accessible for direct open ligation, though the median nerve travels in close proximity and must be protected. The record should specify the exact level of occlusion along the arm, since this affects collateral circulation to the forearm and hand.

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.

Device: Extraluminal Device

Extraluminal Device describes a device positioned on the outside surface of a tubular or hollow body part rather than within its lumen, such as a vascular banding or external stabilization device. It is the structural counterpart to Intraluminal Device, distinguished by its external placement relative to the vessel or duct wall rather than sitting inside the passageway itself.

Coding & Documentation

A coder selects an Occlusion code when the documentation shows the vessel's lumen is being shut down entirely, not narrowed or reinforced. The operative note needs to state which specific upper artery branch was targeted, the method used to achieve closure (clip, coil, plug, embolic material, or suture ligation), and whether the approach was open, percutaneous, or percutaneous endoscopic, since that determines the approach character of the code.

The most frequent assignment error is confusing Occlusion with Restriction, which only narrows the lumen rather than closing it off completely; the physician's language about "partial" versus "complete" closure is the deciding factor and should be confirmed rather than assumed. Another common mistake is missing that embolization procedures, though performed under interventional radiology, still map to Occlusion when the intent is total vessel closure, and coders sometimes miscode the device value when a liquid embolic agent is used instead of an intraluminal device.

Commonly Confused With

RestrictionRestriction is the closest relative and is easy to mix up with Occlusion, since both reduce blood flow through a vessel; the deciding factor is whether the lumen is narrowed (Restriction) or fully closed (Occlusion).
ExcisionExcision is sometimes confused with Occlusion when a segment of artery is tied off before being cut out, but if tissue is actually removed, Excision or Resection becomes the primary code and the ligation is typically not coded separately.
RepairRepair procedures on the same arteries can also be mistaken for Occlusion when a bleeding vessel is sutured closed, but Repair applies when the goal is restoring normal structure rather than permanently eliminating flow through that segment.