ICD-10-PCS Billable Code

05RA4JZ

Replacement Brachial Vein, Left to No Qualifier with Synthetic Substitute, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System5 Upper Veins
OperationR Replacement
Body PartA Brachial Vein, Left
Approach4 Percutaneous Endoscopic
DeviceJ Synthetic 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

Brachial Vein, Left

On the left, the paired brachial veins travel with the brachial artery through the medial arm, forming the deep venous conduit that ultimately becomes the axillary vein. Injury here most often results from penetrating trauma, complications of brachial artery catheterization, or resection alongside a soft tissue sarcoma of the arm. Because these veins normally provide redundant deep drainage alongside their paired channel, replacement is reserved for cases where both accompanying veins are compromised or where a single dominant channel must be reconstructed to prevent post-thrombotic swelling. Left-arm dominance in the patient and any planned future vascular access should factor into the decision, since preserving venous options in the nondominant limb is often prioritized when feasible.

Approach: Percutaneous Endoscopic

Percutaneous Endoscopic combines a puncture through skin or mucous membrane with insertion of an endoscope to visualize the procedure internally, as in laparoscopic cholecystectomy. It is distinguished from plain Percutaneous by the presence of scope-guided visualization, and from Via Natural or Artificial Opening Endoscopic by its route being a new puncture rather than an existing orifice or stoma.

Device: Synthetic Substitute

Synthetic Substitute designates a device made from manufactured, non-biologic material, such as mesh or prosthetic components, used to replace or augment a body part. It is distinguished from the two tissue substitute categories by its artificial composition, which carries different considerations for integration and long-term durability than biologic grafts.

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.