Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration

**Includes:** - any condition classifiable to I70.612 and I70.622 - chronic limb-threatening ischemia of nonbiological bypass graft(s) of the left leg with ulceration - critical limb ischemia of nonbiological bypass graft(s) of the left leg with ulceration

**Use additional code:** - code to identify severity of ulcer (L97.-)