03170ZD
Bypass Brachial Artery, Right to Upper Arm Vein with No Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 3 Upper Arteries |
| Operation | 1 Bypass |
| Body Part | 7 Brachial Artery, Right |
| Approach | 0 Open |
| Device | Z No Device |
| Qualifier | D Upper Arm Vein |
Operation Definition
Altering the route of passage of the contents of a tubular body part
Procedure Overview
Bypass procedures on the upper arteries reroute blood flow around a blocked or narrowed segment of an artery serving the head, neck, or upper extremities, using either a graft vessel or a rerouted native artery to reconnect blood supply beyond the obstruction. Common targets include the carotid, subclavian, axillary, and brachial arteries, where atherosclerotic disease can starve the brain, arm, or hand of adequate blood flow.
Surgeons perform these bypasses when angioplasty and stenting are unlikely to hold, when the blockage is too long or calcified for endovascular repair, or when a prior stent has failed. A graft, taken from the patient's own vein or a synthetic tube, is sewn in above and below the diseased segment so blood detours around it.
The goal is to protect against stroke, arm ischemia, or tissue loss by restoring adequate perfusion, and the operation is typically considered after imaging confirms the location and severity of the narrowing.
Anatomy & Axis Detail
Brachial Artery, Right
The right brachial artery, the principal conduit supplying the forearm and hand after the axillary artery crosses the shoulder, is bypassed chiefly for traumatic disruption, iatrogenic injury from catheterization, or focal occlusive disease that threatens hand perfusion. Because it lies medial to the biceps tendon and is closely associated with the median nerve, dissection for bypass grafting requires precise plane identification to protect neurologic structures. Short-segment vein or synthetic grafts are common here given the artery's caliber, and the procedure restores continuity around a damaged or blocked stretch rather than removing it. Documentation specifies the distal target vessel, whether ulnar, radial, or a more distal brachial segment, along with the conduit type used, since these details determine the correct body part and qualifier values for this root operation.
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.
Qualifier: Upper Arm Vein
Identifies a vein of the upper arm - typically basilic, cephalic, or brachial - as the target of a venous procedure such as thrombectomy or vein harvesting for grafting. It is distinguished from the Lower Arm Vein qualifier by its location proximal to the elbow, and from arterial qualifiers by denoting venous rather than arterial anatomy. Documentation should confirm the vessel is a vein, not an artery, before this qualifier is chosen.
Coding & Documentation
Assigning a bypass code from this family requires documentation of both the proximal and distal anatomic sites the graft connects, since ICD-10-PCS bypass coding is built around a 'from-to' body part convention rather than a single location. The operative report must also specify graft material (autologous vein, synthetic, or other) because the device value changes accordingly. A recurring mistake is coding only the diseased artery without capturing the second, distal qualifier that defines where the bypass terminates; another is confusing a bypass with an endarterectomy, which clears the vessel rather than routing around it.