ICD-10-PCS Billable Code

06LC4DZ

Occlusion Common Iliac Vein, Right to No Qualifier with Intraluminal Device, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System6 Lower Veins
OperationL Occlusion
Body PartC Common Iliac Vein, Right
Approach4 Percutaneous Endoscopic
DeviceD Intraluminal Device
QualifierZ No Qualifier

Operation Definition

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

Procedure Overview

Occlusion procedures in the lower veins permanently close off a vessel so blood can no longer flow through it. This is most often used to treat varicose veins, where a diseased or refluxing segment of the great or small saphenous vein is sealed shut, redirecting blood into healthier veins nearby. It's also used to block off perforator veins that are feeding chronic leg ulcers or to close a vessel that's actively bleeding.

Techniques vary widely: some use heat from a laser or radiofrequency catheter to scar the vein wall shut from the inside, others inject a sclerosing chemical or medical adhesive, and some use mechanically placed clips, ligatures, or coils, including vena cava filters that occlude flow to prevent clots from traveling to the lungs.

Patients typically pursue this for cosmetic or symptomatic varicose vein relief, or as a more urgent measure to manage clotting risk or uncontrolled bleeding.

Anatomy & Axis Detail

Common Iliac Vein, Right

The common iliac vein forms behind the sacroiliac joint from the union of the external and internal iliac veins and is notable for the left vessel's vulnerability to compression by the overlying right common iliac artery. Occlusion of the right common iliac vein is a less frequent but important intervention, typically undertaken to control malignant invasion, a symptomatic aneurysm, or a vein at risk of embolizing thrombus when other therapies are contraindicated. Its location deep in the pelvis near the ureter and sacral venous plexus means imaging guidance is essential, and the documentation should specify laterality clearly since the right and left vessels carry different anatomic risk profiles and differing likelihood of associated compressive pathology.

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

The documentation needs to clearly establish that the vein's lumen was fully closed, not just narrowed or repaired, and coders must select the correct approach value based on whether the closure was done via an open incision, a percutaneous needle stick, or an endoscopic catheter, since energy-based ablation and chemical sclerotherapy are both captured as Occlusion despite using very different tools.

A frequent assignment error is confusing a vena cava filter placement, which is an Occlusion combined with a device value, with a simple ligation that requires no device code at all. Coders also sometimes miss that laser and radiofrequency ablation both map to Occlusion with a qualifier reflecting the specific method, rather than to Destruction, which is not used for this body system's ablation procedures.

Commonly Confused With

RestrictionOcclusion is frequently mixed up with Restriction, but Restriction only partially narrows a vessel's lumen rather than closing it completely, and the two root operations are not interchangeable even when the clinical intent looks similar.
ExcisionIt's also distinct from Excision or Extirpation, which remove diseased tissue or clot material rather than sealing the vessel, and from Repair, which is used when a vein wall defect is closed without the goal of stopping all flow through it.