I70.46 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene

Non-billable header with 5 child codes.

Includes

• any condition classifiable to I70.41-, I70.42-, and I70.43-, I70.44-, I70.45
• chronic limb-threatening ischemia of autologous vein bypass graft(s) of the extremities with gangrene
• critical limb ischemia of autologous vein bypass graft(s) of the extremities with gangrene

Use additional code

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

Applies from I70 Atherosclerosis

Includes

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

Excludes2 (not included here)

• 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

• 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)

Applies from I70.4 Atherosclerosis of autologous vein bypass graft(s) of the extremities

Use additional code

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

Codes under I70.46

• I70.461 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, right leg
• I70.462 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, left leg
• I70.463 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, bilateral legs
• I70.468 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, other extremity
• I70.469 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, unspecified extremity

Code annotations containing back-references to I70.46

Back-references to I70.4

• Code First: I70.92 Chronic total occlusion of artery of the extremities ("atherosclerosis of arteries of the extremities (I70.2-, I70.3-, I70.4-, I70.5-, I70.6-, I70.7-)")

Back-references to I70

• Type 1 Excludes: I77.6 Arteritis, unspecified ("deformans (I70.-)")
• Type 1 Excludes: I77.6 Arteritis, unspecified ("obliterans (I70.-)")
• Type 1 Excludes: I77.6 Arteritis, unspecified ("senile (I70.-)")

Nearby codes

• I70.444 Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of heel and midfoot
• I70.445 Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of other part of foot
• I70.448 Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of other part of lower leg
• I70.449 Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of unspecified site
• I70.45 Atherosclerosis of autologous vein bypass graft(s) of other extremity with ulceration
• I70.46 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene (this code)
• I70.461 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, right leg
• I70.462 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, left leg
• I70.463 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, bilateral legs
• I70.468 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, other extremity
• I70.469 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, unspecified extremity