ICD-10-CM Code for Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene, bilateral legs I70.563

I70.56

Includes: any condition classifiable to I70.51-, I70.52-, and I70.53-, I70.54-, I70.55
chronic limb-threatening ischemia of nonautologous biological bypass graft(s) of the extremities with gangrene
critical limb ischemia of nonautologous biological bypass graft(s) of the extremities with gangrene

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

I70.5

Use additional code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)

I70

Includes: arteriolosclerosis
arterial degeneration
arteriosclerosis
arteriosclerotic vascular disease
arteriovascular degeneration
atheroma
endarteritis deformans or obliterans
senile arteritis
senile endarteritis
vascular degeneration

Excludes2: arteriosclerotic cardiovascular disease (I25.1-)
arteriosclerotic heart disease (I25.1-)
atheroembolism (I75.-)
cerebral atherosclerosis (I67.2)
coronary atherosclerosis (I25.1-)
mesenteric atherosclerosis (K55.1)
precerebral atherosclerosis (I67.2)
primary pulmonary atherosclerosis (I27.0)

Use 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)
tobacco dependence (F17.-)
tobacco use (Z72.0)