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

**Includes:** - any condition classifiable to I70.312 and I70.322 - chronic limb-threatening ischemia of unspecified type of bypass graft(s) of the left leg with ulceration - critical limb ischemia of unspecified type of bypass graft(s) of the left leg with ulceration

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