Question: The patient has atherosclerosis of the renal artery. How should I report this? AAPC Forum Subscriber Answer: You should report I70.1 (Atherosclerosis of renal artery) for atherosclerosis of the renal artery. Don’t forget to use an additional code to identify exposure to environmental tobacco smoke Z77.22; history of tobacco dependence Z87.891; occupational exposure to environmental tobacco smoke Z57.31; and tobacco dependence F17-, or tobacco use Z72.0.