ICD-10-PCS Billable Code

06UY0KZ

Supplement Lower Vein to No Qualifier with Nonautologous Tissue Substitute, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System6 Lower Veins
OperationU Supplement
Body PartY Lower Vein
Approach0 Open
DeviceK Nonautologous Tissue Substitute
QualifierZ No Qualifier

Operation Definition

Putting in or on biological or synthetic material that physically reinforces and/or augments the function of a portion of a body part

Procedure Overview

This family covers procedures where material - either biological tissue or a synthetic substance - is added to a lower-body vein to reinforce its wall or bolster a function that has become impaired, without removing the vein itself. The native vessel stays in place; the added material works alongside it, much like patching or wrapping a weakened structure to give it more support.

This approach is used when a vein wall has become thin, weakened, or dilated in a way that threatens its integrity, or when a venous valve or structure needs added support to improve its performance without a full replacement. Examples include reinforcing a vein wall with a patch during repair of an aneurysmal or injured segment, or augmenting a valve-bearing area of the vein to help reduce reflux in chronic venous insufficiency.

Supplement procedures are generally less invasive in concept than full replacement, since the body's own vein continues to do the primary work while the added material provides extra structural support.

Anatomy & Axis Detail

Lower Vein

The lower veins encompass the venous drainage of the abdominal viscera, retroperitoneum, and lower extremities, and "Lower Vein" is used when a segment does not correspond to one of the named vessels elsewhere in this body system. Supplementing one of these veins involves reinforcing a weakened or thinned wall segment with an autologous vein patch, cadaveric material, or synthetic graft, typically after aneurysmal dilation, a prior repair that has thinned the wall, or traumatic injury that leaves the vessel structurally intact but insufficient on its own. Because the physical form of the vein is not fully replaced, the native lumen and its connections to adjacent tributaries remain the primary conduit, with the supplementing material acting purely as structural reinforcement rather than a substitute 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.

Device: Nonautologous Tissue Substitute

Nonautologous Tissue Substitute refers to biologic material sourced from a donor or another species, such as an allograft or xenograft, used to replace a body part. It differs from Autologous Tissue Substitute by tissue origin outside the patient's own body, and from Synthetic Substitute by being biologic rather than manufactured material.

Coding & Documentation

Coding from this family depends on documentation showing that material was placed onto or into an existing vein to reinforce it, with the native vessel remaining largely intact rather than excised. The note should identify the specific vein and the reinforcing material, such as a patch, cuff, or mesh, and whether it is autologous or nonautologous.

The most frequent mistake is defaulting to Repair when a patch graft was actually used, since both can appear in operative language about "patching" a vein. If a patch or graft material is used specifically to reinforce the wall, Supplement is the correct root operation; plain Repair applies only when the vein is sutured or closed without added reinforcing material. The reverse error also occurs - coding Replacement when only part of the vein wall was augmented rather than an entire segment being taken out and substituted.

Commonly Confused With

RepairRepair is the closest and most commonly confused family, since both can involve closing or reinforcing a damaged vein; the dividing line is whether reinforcing material was actually implanted (Supplement) or the vein was simply sutured back together with no added material (Repair).
ReplacementReplacement is distinguished by the removal of the native vein segment, which does not occur in Supplement.
RestrictionRestriction procedures, which narrow a vein's lumen rather than reinforce its wall, address a different clinical goal entirely.