ICD-10-PCS Billable Code

04VL3DZ

Restriction Femoral Artery, Left to No Qualifier with Intraluminal Device, Percutaneous Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System4 Lower Arteries
OperationV Restriction
Body PartL Femoral Artery, Left
Approach3 Percutaneous
DeviceD Intraluminal Device
QualifierZ No Qualifier

Operation Definition

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

Procedure Overview

Restriction procedures in the lower arteries narrow the lumen of a vessel or partially close off an opening without removing the vessel itself. The most common example is endovascular aneurysm repair, where a stent graft is placed inside the aorta, iliac, or femoral artery to redirect blood flow through a narrower channel and reduce pressure on a weakened, bulging arterial wall. The same approach is used to manage a pseudoaneurysm, an arteriovenous fistula, or a vessel injury where blood is escaping into surrounding tissue.

The goal is to preserve blood flow to downstream tissue while preventing rupture, further leakage, or abnormal shunting. Because the device or technique only reduces the diameter of the passage rather than blocking it entirely, patients generally keep circulation to the limb or organ the artery supplies, unlike procedures that fully seal off a vessel.

Anatomy & Axis Detail

Femoral Artery, Left

The left femoral artery supplies the left thigh and leg and is a mainstay access point for endovascular procedures throughout the body, a fact that itself sometimes leads to iatrogenic stenosis requiring later treatment at the same site. Restriction of this vessel, generally performed with a stent placed across an area of atherosclerotic or post-catheterization narrowing, aims to restore adequate luminal caliber while keeping the artery patent, distinguishing it from more extensive interventions like bypass grafting reserved for longer occlusive segments. Given the femoral artery's superficial and deep branch points just distal to its origin, the operative documentation should clarify the exact level of the restriction to differentiate it from a procedure on the profunda femoris or superficial femoral artery.

Approach: Percutaneous

Percutaneous describes entry by needle or instrument puncture through the skin or mucous membrane to reach the site of the procedure, without cutting the tissue open or using a visualizing scope. It differs from Open in that the site itself is never exposed, and from Percutaneous Endoscopic in that no endoscope is used to see internal structures. Common examples include needle biopsies and injections.

Device: Intraluminal Device

Intraluminal Device denotes a single device, such as a stent or occlusion device, positioned within the lumen of a tubular body part like a vessel, duct, or airway to maintain patency or occlude flow. It carries no drug coating or radioactivity, distinguishing it from the drug-eluting, radioactive, and bioactive intraluminal device values, and from Extraluminal Device, which sits outside rather than inside the lumen.

Coding & Documentation

A coder selects Restriction when documentation describes an intraluminal device, such as a stent graft, tacking that narrows a vessel or contains a diseased segment, and the approach and device values must reflect the specific artery treated and the device type. Operative notes should clearly state that the device reduces the vessel's diameter or seals an aneurysm sac rather than obliterating the artery. A frequent misassignment is coding Occlusion when the physician's language describes a stent graft excluding an aneurysm; Occlusion applies only when the lumen is completely closed, which most aortic and iliac stent graft placements do not accomplish at the treated segment. Coders also miss that multiple arterial segments covered by a single continuous device may require separate body part values depending on anatomic coverage.

Commonly Confused With

OcclusionRestriction is easily confused with Occlusion, which completely closes the artery, and with Dilation, which widens rather than narrows a lumen; the deciding factor is always the degree and direction of the anatomic change, not the device used.
SupplementIt is also distinguished from Supplement, used when a device reinforces a vessel wall without altering the size of the lumen, and from Repair, used for a non-graft closure of a defect with no intent to change caliber.