ICD-10-PCS Billable Code

03LF4CZ

Occlusion Hand Artery, Left 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 PartF Hand Artery, Left
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

Hand Artery, Left

The hand arteries on the left side encompass the palmar arches and digital branches that arise from the terminal radial and ulnar arteries to supply the fingers and thumb with blood. Clinicians occlude vessels in this region for reasons such as a traumatic pseudoaneurysm, a small aneurysm, or an arteriovenous malformation, weighing the intervention carefully because the hand's blood supply depends on a delicate network with less redundancy than larger proximal arteries. Due to the small size and crowded anatomy of the hand, involving numerous tendons, nerves, and the palmar arches themselves, occlusion is commonly achieved through catheter-based embolization using fine coils or liquid embolic agents rather than open surgical ligation. The specific arch or digital artery involved should be clearly documented, since occlusion at this level can have a localized but noticeable effect on perfusion to an individual digit.

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.