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Question:
How is the following scenario coded? A patient has a SVG anastomosed to the LC obtuse marginal (OM). Next, this graft “jumps” to the RC posterolateral branch. Through the vein graft, the OM lesion is treated with angioplasty and bare metal stenting and a second lesion in the posterolateral branch of the RC is treated with angioplasty.
Answer:
Assign CPT® code 92937 to describe angioplasty and bare metal stenting of the OM lesion through the graft and assign 92938 for the angioplasty and bare metal stenting within the RCA.
| 92937 | Percutaneous transluminal revascularization of or through coronary artery bypass graft (internal mammary, free arterial, venous), any combination of intracoronary stent, atherectomy and angioplasty, including distal protection when performed; single vessel |
| +92938 | each additional branch subtended by the bypass graft (List separately in addition to code for primary procedure) |
Even though the procedure was performed through one vein graft ostium and blockages in two major coronary arteries were dilated, the vein graft is analogous to a single major coronary artery and each artery is coded separately. The OM and RCA are “branches.” To delineate the vessels for the payer, add HCPCS modifiers -LC and -RC to each CPT code.
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CPT® copyright 2023 American Medical Association (AMA). All rights reserved.
Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
CPT is a registered trademark of the American Medical Association.
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