Atherosclerosis of nonautologous biological bypass graft(s) of the extremities
Notes: Atherosclerosis of nonautologous biological bypass graft(s) of right leg with ulceration of plantar surface of midfoot ; Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of toe ; Atherosclerosis of nonautologous biological bypass graft(s) of left leg with ulceration of plantar surface of midfoot ; Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of toe ; code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92) ; code to identify severity of ulcer (L97.-) ; code to identify severity of ulcer (L97.-) ; code to identify severity of ulcer (L98.49) ; code to identify the severity of any ulcer (L97.-, L98.49-), if applicable