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35800 or 35301?

Date: Oct 21, 2019

Question:

"Patient had carotid endarterectomy (35301) and three weeks later returned due to infection. Saphenous vein is harvested, neck opened, and Dacron patch removed. Area was washed, phlegmon was removed, and vein was sewed as patch angioplasty." How do we code this: as exploration for post of infection (35800) or as endarterectomy (35301)? Neither feels right to me.

Question ID : 13180
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