AMA CPT® Assistant - 1991 Issue 3 (March)

"The Coronary Artery Bypass Graft (CABG) Re-do" Operation (Fall 1991)

Fall 1991 page 5 Coding Clarification "The Coronary Artery Bypass Graft (CABG) Re-do" Operation In 1991, code 33530 Reoperation, coronary artery bypass procedure, more than one month after original operation (list separately in addition to code for primary procedure) (Use 33530 only for codes 33510-33528) was added to CPT. We have received numerous questions related to how this code should be used. An illustration may be helpful to understand the rationale for reporting two codes. Mrs. Smith had a triple coronary artery bypass in 1984 using autogenous saphenous vein grafts. Now, (1991), testing has shown occlusion of the vessels that...

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CPT® Assistant content is the official source for CPT® coding guidance. It is an instrumental tool when appealing insurance denials and validating coding to auditors. Monthly issues and an extensive archive provide comprehensive guidance on proper CPT® coding for past, present and upcoming code set releases. Archives date back to 1990 for historical use of codes, changes, rationales, coding tips and trends in the industry.

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