06LY3CC
Occlusion Lower Vein to Hemorrhoidal Plexus with Extraluminal Device, Percutaneous Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 6 Lower Veins |
| Operation | L Occlusion |
| Body Part | Y Lower Vein |
| Approach | 3 Percutaneous |
| Device | C Extraluminal Device |
| Qualifier | C Hemorrhoidal Plexus |
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
Lower Vein
This designation applies when an occlusion procedure targets a lower extremity or pelvic vein not separately identified by the more specific body part values in this system, such as an unusual accessory or perforator vein encountered during venous mapping. Coders and clinicians rely on this general code when operative documentation describes occlusion of a lower venous structure whose precise name does not correspond to one of the named vessels, which can occur with anomalous or variant venous anatomy or with perforating veins connecting superficial and deep systems. Because this value lacks the specificity of a named vessel, accurate use depends on the operative report clearly establishing that the treated vein is genuinely distinct from the more precisely defined lower vein categories.
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: 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.
Qualifier: Hemorrhoidal Plexus
This qualifier refers to the hemorrhoidal venous plexus surrounding the anorectal canal, used when a procedure targets this network directly, such as sclerotherapy or ligation performed for symptomatic hemorrhoids. It differs from Rectum, which denotes the bowel wall itself rather than the venous cushions embedded within it.
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.