ICD-10-PCS Billable Code

06LT0ZZ

Occlusion Foot Vein, Right to No Qualifier with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System6 Lower Veins
OperationL Occlusion
Body PartT Foot Vein, Right
Approach0 Open
DeviceZ No 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

Foot Vein, Right

The foot vein on the right encompasses the superficial dorsal and plantar venous networks that form the origin of the saphenous system, small vessels that are rarely primary occlusion targets but may require treatment for a localized varicosity, a vascular malformation, or troublesome superficial reflux originating at the foot. Because these veins are thin-walled and superficially situated, occlusion is generally accomplished with sclerotherapy or similar minimally invasive techniques rather than open ligation, and the procedure is typically an adjunct to treatment of more proximal saphenous incompetence rather than an isolated intervention. Their extensive interconnection with the dorsal venous arch means care is taken to avoid disrupting normal venous drainage of the foot when targeting an isolated segment.

Approach: Open

Open approach means the surgeon cuts through skin, mucous membrane, or other tissue layers to physically expose the target site to view before performing the procedure. It gives direct visualization and hands-on access, distinguishing it from Percutaneous approaches where instruments pass through a small puncture without exposing the site. Open is typical for procedures needing wide access, such as most laparotomies.

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.