067V3DZ
Dilation Foot Vein, Left to No Qualifier with Intraluminal Device, Percutaneous Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 6 Lower Veins |
| Operation | 7 Dilation |
| Body Part | V Foot Vein, Left |
| Approach | 3 Percutaneous |
| Device | D Intraluminal Device |
| Qualifier | Z No Qualifier |
Operation Definition
Expanding an orifice or the lumen of a tubular body part
Procedure Overview
Dilation procedures widen a lower vein that has become narrowed, most commonly the iliac vein or another deep vein in the pelvis or leg affected by scarring from a prior blood clot or external compression. Using a balloon catheter threaded through the vessel, sometimes followed by placement of a stent to hold the vein open, physicians restore normal blood flow through a segment that had been constricting circulation.
This approach is frequently used to treat May-Thurner syndrome, where the right iliac artery compresses the left iliac vein, or to open veins scarred by post-thrombotic syndrome following deep vein thrombosis. Patients typically experience leg swelling, heaviness, or skin discoloration that improves once normal venous drainage is restored.
Anatomy & Axis Detail
Foot Vein, Left
The left foot vein network includes the superficial dorsal venous arch and plantar veins that ultimately feed into the leg's deep and superficial venous systems. As with the right side, dilation of these distal veins is a niche intervention, more often encountered in the context of complex venous access, limb salvage procedures, or evaluation of impaired distal venous outflow than as a standalone treatment. The small size and superficial course of foot veins make them technically accessible but also more susceptible to injury from oversized devices, so operators typically use scaled-down balloon catheters. Clear identification of laterality and the specific vein segment treated is essential in documentation, since foot venous procedures are infrequent enough that ambiguous notes can complicate accurate code selection.
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
Documentation should clearly state that a balloon or similar device widened the vein's lumen, and if a stent was left behind to maintain the opening, that becomes the device value on the code rather than being left as a 'no device' case. The specific vein segment treated, such as the common iliac vein versus the external iliac vein, must be identified precisely since these are distinct body part values.
A recurring error is coding Dilation without capturing a stent that was actually placed, defaulting to a no-device value when the operative report clearly documents a permanent intraluminal device. Coders also sometimes conflate angioplasty of an adjacent artery performed in the same session with the venous dilation, which requires a separate code from a different body system.