ICD-10-PCS Billable Code

05RG0KZ

Replacement Hand Vein, Right to No Qualifier with Nonautologous Tissue Substitute, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System5 Upper Veins
OperationR Replacement
Body PartG Hand Vein, Right
Approach0 Open
DeviceK Nonautologous Tissue Substitute
QualifierZ No Qualifier

Operation Definition

Putting in or on biological or synthetic material that physically takes the place and/or function of all or a portion of a body part

Procedure Overview

This family describes procedures that remove a diseased or damaged segment of an upper-body vein - such as the subclavian, axillary, brachial, or innominate vein - and substitute it with a graft, whether that graft is a segment of the patient's own vein, donor tissue, or a synthetic conduit. It is performed when a portion of vein is too damaged, scarred, or obstructed to repair directly, commonly after trauma, following removal of a tumor invading the vessel wall, or as part of reconstructing venous drainage after prior surgery or radiation.

For patients, this means the surgeon is not just patching the vein but physically taking out a section and installing a replacement channel to keep blood flowing normally back toward the heart. It differs from arterial bypass grafting because it addresses the low-pressure venous system, and it is far less common than arterial replacement since veins have more collateral pathways and are often ligated rather than reconstructed.

Anatomy & Axis Detail

Hand Vein, Right

The veins of the right hand form a fine superficial network across the dorsum and palm that drains into the cephalic and basilic systems at the wrist, and their small caliber and thin walls make them the default site for routine intravenous catheters. Because these vessels are so delicate, isolated replacement is unusual and is generally limited to reconstructive settings, such as after severe crush or burn injury, tumor excision, or as part of a composite tissue transfer where venous outflow of a hand or digit must be reestablished with a microvascular graft. Given the small diameter involved, such procedures demand precise microsurgical technique, and documentation should specify which named or unnamed hand vein was reconstructed.

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

Replacement is coded when the operative note documents excision of a vein segment followed by insertion of graft material - autologous vein, cadaveric allograft, or synthetic material - to physically take over that vein's function. Look for language such as "interposition graft," "vein graft replacement," or "synthetic conduit reconstruction" tied to a specific named vein.

A frequent error is coding Replacement when the surgeon actually performed Supplement, laying graft material onto an intact vein rather than excising and substituting it; the distinction hinges on whether native tissue was removed. Coders should also confirm the graft material value is captured accurately, since autologous, nonautologous, and synthetic substitutes are each represented differently, and should avoid conflating a venous bypass graft (which creates a new route) with Replacement (which occupies the same anatomic position).

Commonly Confused With

SupplementSupplement is the closest look-alike, since both involve introducing material into a vein, but Replacement removes native tissue while Supplement reinforces tissue left in place.
BypassBypass, found in a separate root operation, creates an alternate route around a blocked segment rather than replacing the segment itself, and would be coded differently even though it also uses graft material.
RepairRepair is ruled out whenever any vein tissue is excised, because Repair by definition restores existing anatomy rather than substituting for it.