05SC3ZZ
Reposition Basilic Vein, Left to No Qualifier with No Device, Percutaneous Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 5 Upper Veins |
| Operation | S Reposition |
| Body Part | C Basilic Vein, Left |
| Approach | 3 Percutaneous |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Moving to its normal location, or other suitable location, all or a portion of a body part
Procedure Overview
Reposition procedures in the upper venous system involve surgically moving a vein - or a segment of one - from its current location to a new or corrected anatomic position, without removing tissue or replacing it with graft material. The most familiar example is basilic vein transposition, where a superficial arm vein is mobilized and rerouted to a more superficial position under the skin so it can be reliably accessed for hemodialysis. Reposition can also apply to correcting a vein that has migrated, kinked, or been displaced by prior surgery or injury.
This type of procedure is generally planned rather than emergent, often performed to create durable, usable vascular access for patients who need long-term treatments such as dialysis, or to correct anatomy that is interfering with normal venous drainage.
Anatomy & Axis Detail
Basilic Vein, Left
On the left side, the basilic vein begins superficially in the forearm but dives deep as it ascends the upper arm, which is precisely why it is repositioned in the classic basilic vein transposition procedure for dialysis access. After maturation as an arteriovenous fistula lowers resistance and increases flow, the deep upper-arm segment is surgically freed, tunneled subcutaneously, and reattached in a shallower, straighter path suitable for repeated cannulation. The vein retains its native inflow and outflow connections throughout, distinguishing this from a graft interposition. Because the vein runs close to the brachial artery and median nerve in its deep segment, careful dissection is required to reposition it without compromising these structures.
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.
Coding & Documentation
Coders should look for explicit documentation that the vein itself was mobilized and moved to a different location, such as "vein transposition" or "relocation of basilic vein," as opposed to simply being connected to another vessel in place. The operative report should describe dissection of the vein along its length, tunneling to the new position, and reanastomosis if the vein was divided during the move.
A common mistake is confusing vein transposition procedures performed to create arteriovenous access with the Fusion or Bypass root operations used elsewhere in vascular coding; Reposition applies specifically when the vein's own location changes. Coders also sometimes fail to capture that the vein was tunneled to a new subcutaneous position, which is the defining clinical detail supporting this root operation over a simple repair or supplement.