Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene

**Includes:** - any condition classifiable to I70.31-, I70.32-, I70.33-, I70.34-, I70.35 - chronic limb-threatening ischemia of unspecified type of bypass graft(s) of the extremities with gangrene - critical limb ischemia of unspecified type of bypass graft(s) of the extremities with gangrene

**Use additional code:** - code to identify the severity of any ulcer (L97.-, L98.49-), if applicable