ICD-10-PCS Billable Code

04VK4DZ

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

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System4 Lower Arteries
OperationV Restriction
Body PartK Femoral Artery, Right
Approach4 Percutaneous Endoscopic
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, Right

The right femoral artery, the principal conduit for blood to the right thigh and leg after the external iliac crosses the inguinal ligament, is one of the most frequently instrumented vessels in peripheral vascular practice and also a common access site for catheter procedures elsewhere in the body. Restriction here, usually via stent placement across a stenotic segment, treats atherosclerotic narrowing causing claudication or limb ischemia while maintaining vessel continuity, an approach favored over bypass when the diseased segment is focal and the vessel wall permits durable stent apposition. Because the femoral artery bifurcates into superficial and profunda branches shortly after its origin, the record should specify which segment was treated to avoid confusion with restriction of the profunda femoris.

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: 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.