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The CPT® Code 93457 refers to a comprehensive procedure involving catheter placement in the coronary arteries for the purpose of coronary angiography. This procedure includes the administration of intraprocedural injections specifically for coronary angiography, as well as the imaging supervision and interpretation of the results. Additionally, this code encompasses catheter placements in bypass grafts, which may include internal mammary grafts, free arterial grafts, or venous grafts. The procedure also involves intraprocedural injections for bypass graft angiography and the performance of right heart catheterization. The overall aim of this procedure is to visualize the coronary arteries and any bypass grafts to assess for blockages or other abnormalities, thereby aiding in the diagnosis and management of coronary artery disease. The detailed steps of the procedure ensure that both the coronary arteries and the bypass grafts are thoroughly evaluated, providing critical information for subsequent medical decision-making.
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