ICD-10-CM I70: Atherosclerosis

ICD-10-CM Diagnosis Code (2025)

Official Description for I70

Atherosclerosis

Coding Notes & Guidelines for I70

Includes Notes
  • arteriolosclerosis
  • arterial degeneration
  • arteriosclerosis
  • arteriosclerotic vascular disease
  • arteriovascular degeneration
  • atheroma
  • endarteritis deformans or obliterans
  • senile arteritis
  • senile endarteritis
  • vascular degeneration
Includes Notes
  • any condition classifiable to I70.21-
  • chronic limb-threatening ischemia NOS of native arteries of extremities
  • chronic limb-threatening ischemia of native arteries of extremities with rest pain
  • critical limb ischemia NOS of native arteries of extremities
  • critical limb ischemia of native arteries of extremities with rest pain
Includes Notes
  • any condition classifiable to I70.211 and I70.221
  • chronic limb-threatening ischemia of native arteries of right leg with ulceration
  • critical limb ischemia of native arteries of right leg with ulceration
Includes Notes
  • any condition classifiable to I70.212 and I70.222
  • chronic limb-threatening ischemia of native arteries of left leg with ulceration
  • critical limb ischemia of native arteries of left leg with ulceration
Includes Notes

any condition classifiable to I70.218 and I70.228

Includes Notes
  • any condition classifiable to I70.21-, I70.22-, I70.23-, I70.24-, and I70.25-
  • chronic limb-threatening ischemia of native arteries of extremities with gangrene
  • critical limb ischemia of native arteries of extremities with gangrene
Includes Notes
  • any condition classifiable to I70.31-
  • chronic limb-threatening ischemia NOS of unspecified type of bypass graft(s) of the extremities
  • chronic limb-threatening ischemia of unspecified type of bypass graft(s) of the extremities with rest pain
  • critical limb ischemia NOS of unspecified type of bypass graft(s) of the extremities
  • critical limb ischemia of unspecified type of bypass graft(s) of the extremities with rest pain
Includes Notes
  • any condition classifiable to I70.311 and I70.321
  • chronic limb-threatening ischemia of unspecified type of bypass graft(s) of the right leg with ulceration
  • critical limb ischemia of unspecified type of bypass graft(s) of the right leg with ulceration
Includes Notes
  • 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
Includes Notes

any condition classifiable to I70.318 and I70.328

Includes Notes
  • 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
Includes Notes
  • any condition classifiable to I70.41-
  • chronic limb-threatening ischemia NOS of autologous vein bypass graft(s) of the extremities
  • chronic limb-threatening ischemia of autologous vein bypass graft(s) of the extremities with rest pain
  • critical limb ischemia NOS of autologous vein bypass graft(s) of the extremities
  • critical limb ischemia of autologous vein bypass graft(s) of the extremities with rest pain
Includes Notes
  • any condition classifiable to I70.411 and I70.421
  • chronic limb-threatening ischemia of autologous vein bypass graft(s) of the right leg with ulceration
  • critical limb ischemia of autologous vein bypass graft(s) of the right leg with ulceration
Includes Notes
  • any condition classifiable to I70.412 and I70.422
  • chronic limb-threatening ischemia of autologous vein bypass graft(s) of the left leg with ulceration
  • critical limb ischemia of autologous vein bypass graft(s) of the left leg with ulceration
Includes Notes

any condition classifiable to I70.418, I70.428, and I70.438

Includes Notes
  • 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
Includes Notes
  • any condition classifiable to I70.51-
  • chronic limb-threatening ischemia NOS of nonautologous biological bypass graft(s) of the extremities
  • chronic limb-threatening ischemia of nonautologous biological bypass graft(s) of the extremities with rest pain
  • critical limb ischemia NOS of nonautologous biological bypass graft(s) of the extremities
  • critical limb ischemia of nonautologous biological bypass graft(s) of the extremities with rest pain
Includes Notes
  • any condition classifiable to I70.511 and I70.521
  • chronic limb-threatening ischemia of nonautologous biological bypass graft(s) of the right leg with ulceration
  • critical limb ischemia of nonautologous biological bypass graft(s) of the right leg with ulceration
Includes Notes
  • any condition classifiable to I70.512 and I70.522
  • chronic limb-threatening ischemia of nonautologous biological bypass graft(s) of the left leg with ulceration
  • critical limb ischemia of nonautologous biological bypass graft(s) of the left leg with ulceration
Includes Notes

any condition classifiable to I70.518, I70.528, and I70.538

Includes Notes
  • 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
Includes Notes
  • any condition classifiable to I70.61-
  • chronic limb-threatening ischemia NOS of nonbiological bypass graft(s) of the extremities
  • chronic limb-threatening ischemia of nonbiological bypass graft(s) of the extremities with rest pain
  • critical limb ischemia NOS of nonbiological bypass graft(s) of the extremities
  • critical limb ischemia of nonbiological bypass graft(s) of the extremities with rest pain
Includes Notes
  • any condition classifiable to I70.611 and I70.621
  • chronic limb-threatening ischemia of nonbiological bypass graft(s) of the right leg with ulceration
  • critical limb ischemia of nonbiological bypass graft(s) of the right leg with ulceration
Includes Notes
  • 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
Includes Notes

any condition classifiable to I70.618 and I70.628

Includes Notes
  • any condition classifiable to I70.61-, I70.62-, I70.63-, I70.64-, I70.65
  • chronic limb-threatening ischemia of nonbiological bypass graft(s) of the extremities with gangrene
  • critical limb ischemia of nonbiological bypass graft(s) of the extremities with gangrene
Includes Notes
  • any condition classifiable to I70.71-
  • chronic limb-threatening ischemia NOS of other type of bypass graft(s) of the extremities
  • chronic limb-threatening ischemia of other type of bypass graft(s) of the extremities with rest pain
  • critical limb ischemia NOS of other type of bypass graft(s) of the extremities
  • critical limb ischemia of other type of bypass graft(s) of the extremities with rest pain
Includes Notes
  • any condition classifiable to I70.711 and I70.721
  • chronic limb-threatening ischemia of other type of bypass graft(s) of the right leg with ulceration
  • critical limb ischemia of other type of bypass graft(s) of the right leg with ulceration
Includes Notes
  • any condition classifiable to I70.712 and I70.722
  • chronic limb-threatening ischemia of other type of bypass graft(s) of the left leg with ulceration
  • critical limb ischemia of other type of bypass graft(s) of the left leg with ulceration
Includes Notes

any condition classifiable to I70.718 and I70.728

Includes Notes
  • any condition classifiable to I70.71-, I70.72-, I70.73-, I70.74-, I70.75
  • chronic limb-threatening ischemia of other type of bypass graft(s) of the extremities with gangrene
  • critical limb ischemia of other type of bypass graft(s) of the extremities with gangrene
Excludes1: Not Coded Here

embolism or thrombus of bypass graft(s) of extremities (T82.8-)

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)
Excludes2: Not Included Here

atherosclerosis of renal arterioles (I12.-)

Excludes2: Not Included Here

atherosclerosis of bypass graft of extremities (I70.30-I70.79)

Code First

atherosclerosis of arteries of the extremities (I70.2-, I70.3-, I70.4-, I70.5-, I70.6-, I70.7-)

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)
Use Additional Code

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

Use Additional Code

code to identify severity of ulcer (L97.-)

Use Additional Code

code to identify severity of ulcer (L97.-)

Use Additional Code

code to identify the severity of the ulcer (L98.49-)

Use Additional Code

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

Use Additional Code

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

Use Additional Code

code to identify severity of ulcer (L97.-)

Use Additional Code

code to identify severity of ulcer (L97.-)

Use Additional Code

code to identify severity of ulcer (L98.49-)

Use Additional Code

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

Use Additional Code

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

Use Additional Code

code to identify severity of ulcer (L97.-)

Use Additional Code

code to identify severity of ulcer (L97.-)

Use Additional Code

code to identify severity of ulcer (L98.49)

Use Additional Code

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

Use Additional Code

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

Use Additional Code

code to identify severity of ulcer (L97.-)

Use Additional Code

code to identify severity of ulcer (L97.-)

Use Additional Code

code to identify severity of ulcer (L98.49)

Use Additional Code

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

Use Additional Code

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

Use Additional Code

code to identify severity of ulcer (L97.-)

Use Additional Code

code to identify severity of ulcer (L97.-)

Use Additional Code

code to identify severity of ulcer (L98.49)

Use Additional Code

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

Use Additional Code

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

Use Additional Code

code to identify severity of ulcer (L97.-)

Use Additional Code

code to identify severity of ulcer (L97.-)

Use Additional Code

code to identify severity of ulcer (L98.49)

Use Additional Code

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

Inclusion Terms

Goldblatt's kidney

Inclusion Terms

Mönckeberg's (medial) sclerosis

Inclusion Terms

Atherosclerosis of native arteries of right leg with ulceration of plantar surface of midfoot

Inclusion Terms

Atherosclerosis of native arteries of right leg extremities with ulceration of toe

Inclusion Terms

Atherosclerosis of native arteries of left leg with ulceration of plantar surface of midfoot

Inclusion Terms

Atherosclerosis of native arteries of left leg extremities with ulceration of toe

Inclusion Terms

Atherosclerosis of unspecified type of bypass graft(s) of right leg with ulceration of plantar surface of midfoot

Inclusion Terms

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

Inclusion Terms

Atherosclerosis of unspecified type of bypass graft(s) of left leg with ulceration of plantar surface of midfoot

Inclusion Terms

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

Inclusion Terms

Atherosclerosis of autologous vein bypass graft(s) of right leg with ulceration of plantar surface of midfoot

Inclusion Terms

Atherosclerosis of autologous vein bypass graft(s) of right leg with ulceration of toe

Inclusion Terms

Atherosclerosis of autologous vein bypass graft(s) of left leg with ulceration of plantar surface of midfoot

Inclusion Terms

Atherosclerosis of autologous vein bypass graft(s) of left leg with ulceration of toe

Inclusion Terms

Atherosclerosis of nonautologous biological bypass graft(s) of right leg with ulceration of plantar surface of midfoot

Inclusion Terms

Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of toe

Inclusion Terms

Atherosclerosis of nonautologous biological bypass graft(s) of left leg with ulceration of plantar surface of midfoot

Inclusion Terms

Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of toe

Inclusion Terms

Atherosclerosis of nonbiological bypass graft(s) of right leg with ulceration of plantar surface of midfoot

Inclusion Terms

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

Inclusion Terms

Atherosclerosis of nonbiological bypass graft(s) of left leg with ulceration of plantar surface of midfoot

Inclusion Terms

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

Inclusion Terms

Atherosclerosis of other type of bypass graft(s) of right leg with ulceration of plantar surface of midfoot

Inclusion Terms

Atherosclerosis of other type of bypass graft(s) of right leg with ulceration of toe

Inclusion Terms

Atherosclerosis of other type of bypass graft(s) of left leg with ulceration of plantar surface of midfoot

Inclusion Terms

Atherosclerosis of other type of bypass graft(s) of left leg with ulceration of toe

Inclusion Terms
  • Complete occlusion of artery of the extremities
  • Total occlusion of artery of the extremities

Child Codes (More Specific Codes for I70):

I70.0 - Atherosclerosis of aorta I70.1 - Atherosclerosis of renal artery I70.2 - Atherosclerosis of native arteries of the extremities I70.20 - Unspecified atherosclerosis of native arteries of extremities I70.201 - Unspecified atherosclerosis of native arteries of extremities, right leg I70.202 - Unspecified atherosclerosis of native arteries of extremities, left leg I70.203 - Unspecified atherosclerosis of native arteries of extremities, bilateral legs I70.208 - Unspecified atherosclerosis of native arteries of extremities, other extremity I70.209 - Unspecified atherosclerosis of native arteries of extremities, unspecified extremity I70.21 - Atherosclerosis of native arteries of extremities with intermittent claudication I70.211 - Atherosclerosis of native arteries of extremities with intermittent claudication, right leg I70.212 - Atherosclerosis of native arteries of extremities with intermittent claudication, left leg I70.213 - Atherosclerosis of native arteries of extremities with intermittent claudication, bilateral legs I70.218 - Atherosclerosis of native arteries of extremities with intermittent claudication, other extremity I70.219 - Atherosclerosis of native arteries of extremities with intermittent claudication, unspecified extremity I70.22 - Atherosclerosis of native arteries of extremities with rest pain I70.221 - Atherosclerosis of native arteries of extremities with rest pain, right leg I70.222 - Atherosclerosis of native arteries of extremities with rest pain, left leg I70.223 - Atherosclerosis of native arteries of extremities with rest pain, bilateral legs I70.228 - Atherosclerosis of native arteries of extremities with rest pain, other extremity I70.229 - Atherosclerosis of native arteries of extremities with rest pain, unspecified extremity I70.23 - Atherosclerosis of native arteries of right leg with ulceration I70.231 - Atherosclerosis of native arteries of right leg with ulceration of thigh I70.232 - Atherosclerosis of native arteries of right leg with ulceration of calf I70.233 - Atherosclerosis of native arteries of right leg with ulceration of ankle I70.234 - Atherosclerosis of native arteries of right leg with ulceration of heel and midfoot I70.235 - Atherosclerosis of native arteries of right leg with ulceration of other part of foot I70.238 - Atherosclerosis of native arteries of right leg with ulceration of other part of lower leg I70.239 - Atherosclerosis of native arteries of right leg with ulceration of unspecified site I70.24 - Atherosclerosis of native arteries of left leg with ulceration I70.241 - Atherosclerosis of native arteries of left leg with ulceration of thigh I70.242 - Atherosclerosis of native arteries of left leg with ulceration of calf I70.243 - Atherosclerosis of native arteries of left leg with ulceration of ankle I70.244 - Atherosclerosis of native arteries of left leg with ulceration of heel and midfoot I70.245 - Atherosclerosis of native arteries of left leg with ulceration of other part of foot I70.248 - Atherosclerosis of native arteries of left leg with ulceration of other part of lower leg I70.249 - Atherosclerosis of native arteries of left leg with ulceration of unspecified site I70.25 - Atherosclerosis of native arteries of other extremities with ulceration I70.26 - Atherosclerosis of native arteries of extremities with gangrene I70.261 - Atherosclerosis of native arteries of extremities with gangrene, right leg I70.262 - Atherosclerosis of native arteries of extremities with gangrene, left leg I70.263 - Atherosclerosis of native arteries of extremities with gangrene, bilateral legs I70.268 - Atherosclerosis of native arteries of extremities with gangrene, other extremity I70.269 - Atherosclerosis of native arteries of extremities with gangrene, unspecified extremity I70.29 - Other atherosclerosis of native arteries of extremities I70.291 - Other atherosclerosis of native arteries of extremities, right leg I70.292 - Other atherosclerosis of native arteries of extremities, left leg I70.293 - Other atherosclerosis of native arteries of extremities, bilateral legs I70.298 - Other atherosclerosis of native arteries of extremities, other extremity I70.299 - Other atherosclerosis of native arteries of extremities, unspecified extremity I70.3 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities I70.30 - Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities I70.301 - Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities, right leg I70.302 - Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities, left leg I70.303 - Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities, bilateral legs I70.308 - Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities, other extremity I70.309 - Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities, unspecified extremity I70.31 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication I70.311 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication, right leg I70.312 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication, left leg I70.313 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication, bilateral legs I70.318 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication, other extremity I70.319 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication, unspecified extremity I70.32 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain I70.321 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, right leg I70.322 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, left leg I70.323 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, bilateral legs I70.328 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, other extremity I70.329 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, unspecified extremity I70.33 - Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration I70.331 - Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of thigh I70.332 - Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of calf I70.333 - Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of ankle I70.334 - Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of heel and midfoot I70.335 - Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of other part of foot I70.338 - Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of other part of lower leg I70.339 - Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of unspecified site I70.34 - Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration I70.341 - Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of thigh I70.342 - Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of calf I70.343 - Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of ankle I70.344 - Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of heel and midfoot I70.345 - Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of other part of foot I70.348 - Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of other part of lower leg I70.349 - Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of unspecified site I70.35 - Atherosclerosis of unspecified type of bypass graft(s) of other extremity with ulceration I70.36 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene I70.361 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene, right leg I70.362 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene, left leg I70.363 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene, bilateral legs I70.368 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene, other extremity I70.369 - Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene, unspecified extremity I70.39 - Other atherosclerosis of unspecified type of bypass graft(s) of the extremities I70.391 - Other atherosclerosis of unspecified type of bypass graft(s) of the extremities, right leg I70.392 - Other atherosclerosis of unspecified type of bypass graft(s) of the extremities, left leg I70.393 - Other atherosclerosis of unspecified type of bypass graft(s) of the extremities, bilateral legs I70.398 - Other atherosclerosis of unspecified type of bypass graft(s) of the extremities, other extremity I70.399 - Other atherosclerosis of unspecified type of bypass graft(s) of the extremities, unspecified extremity I70.4 - Atherosclerosis of autologous vein bypass graft(s) of the extremities I70.40 - Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities I70.401 - Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, right leg I70.402 - Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, left leg I70.403 - Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, bilateral legs I70.408 - Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, other extremity I70.409 - Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, unspecified extremity I70.41 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication I70.411 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, right leg I70.412 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, left leg I70.413 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, bilateral legs I70.418 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, other extremity I70.419 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, unspecified extremity I70.42 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain I70.421 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, right leg I70.422 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, left leg I70.423 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, bilateral legs I70.428 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, other extremity I70.429 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, unspecified extremity I70.43 - Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration I70.431 - Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of thigh I70.432 - Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of calf I70.433 - Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of ankle I70.434 - Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of heel and midfoot I70.435 - Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of other part of foot I70.438 - Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of other part of lower leg I70.439 - Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of unspecified site I70.44 - Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration I70.441 - Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of thigh I70.442 - Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of calf I70.443 - Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of ankle 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 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 I70.49 - Other atherosclerosis of autologous vein bypass graft(s) of the extremities I70.491 - Other atherosclerosis of autologous vein bypass graft(s) of the extremities, right leg I70.492 - Other atherosclerosis of autologous vein bypass graft(s) of the extremities, left leg I70.493 - Other atherosclerosis of autologous vein bypass graft(s) of the extremities, bilateral legs I70.498 - Other atherosclerosis of autologous vein bypass graft(s) of the extremities, other extremity I70.499 - Other atherosclerosis of autologous vein bypass graft(s) of the extremities, unspecified extremity I70.5 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities I70.50 - Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities I70.501 - Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities, right leg I70.502 - Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities, left leg I70.503 - Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities, bilateral legs I70.508 - Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities, other extremity I70.509 - Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities, unspecified extremity I70.51 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities intermittent claudication I70.511 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with intermittent claudication, right leg I70.512 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with intermittent claudication, left leg I70.513 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with intermittent claudication, bilateral legs I70.518 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with intermittent claudication, other extremity I70.519 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with intermittent claudication, unspecified extremity I70.52 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain I70.521 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, right leg I70.522 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, left leg I70.523 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, bilateral legs I70.528 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, other extremity I70.529 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, unspecified extremity I70.53 - Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration I70.531 - Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of thigh I70.532 - Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of calf I70.533 - Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of ankle I70.534 - Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of heel and midfoot I70.535 - Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of other part of foot I70.538 - Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of other part of lower leg I70.539 - Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of unspecified site I70.54 - Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration I70.541 - Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of thigh I70.542 - Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of calf I70.543 - Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of ankle I70.544 - Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of heel and midfoot I70.545 - Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of other part of foot I70.548 - Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of other part of lower leg I70.549 - Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of unspecified site I70.55 - Atherosclerosis of nonautologous biological bypass graft(s) of other extremity with ulceration I70.56 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene I70.561 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene, right leg I70.562 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene, left leg I70.563 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene, bilateral legs I70.568 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene, other extremity I70.569 - Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene, unspecified extremity I70.59 - Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities I70.591 - Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities, right leg I70.592 - Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities, left leg I70.593 - Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities, bilateral legs I70.598 - Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities, other extremity I70.599 - Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities, unspecified extremity I70.6 - Atherosclerosis of nonbiological bypass graft(s) of the extremities I70.60 - Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities I70.601 - Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities, right leg I70.602 - Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities, left leg I70.603 - Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities, bilateral legs I70.608 - Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities, other extremity I70.609 - Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities, unspecified extremity I70.61 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication I70.611 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication, right leg I70.612 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication, left leg I70.613 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication, bilateral legs I70.618 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication, other extremity I70.619 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication, unspecified extremity I70.62 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain I70.621 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, right leg I70.622 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, left leg I70.623 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, bilateral legs I70.628 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, other extremity I70.629 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, unspecified extremity I70.63 - Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration I70.631 - Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of thigh I70.632 - Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of calf I70.633 - Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of ankle I70.634 - Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of heel and midfoot I70.635 - Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of other part of foot I70.638 - Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of other part of lower leg I70.639 - Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of unspecified site I70.64 - Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration I70.641 - Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of thigh I70.642 - Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of calf I70.643 - Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of ankle I70.644 - Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of heel and midfoot I70.645 - Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of other part of foot I70.648 - Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of other part of lower leg I70.649 - Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of unspecified site I70.65 - Atherosclerosis of nonbiological bypass graft(s) of other extremity with ulceration I70.66 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene I70.661 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene, right leg I70.662 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene, left leg I70.663 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene, bilateral legs I70.668 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene, other extremity I70.669 - Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene, unspecified extremity I70.69 - Other atherosclerosis of nonbiological bypass graft(s) of the extremities I70.691 - Other atherosclerosis of nonbiological bypass graft(s) of the extremities, right leg I70.692 - Other atherosclerosis of nonbiological bypass graft(s) of the extremities, left leg I70.693 - Other atherosclerosis of nonbiological bypass graft(s) of the extremities, bilateral legs I70.698 - Other atherosclerosis of nonbiological bypass graft(s) of the extremities, other extremity I70.699 - Other atherosclerosis of nonbiological bypass graft(s) of the extremities, unspecified extremity I70.7 - Atherosclerosis of other type of bypass graft(s) of the extremities I70.70 - Unspecified atherosclerosis of other type of bypass graft(s) of the extremities I70.701 - Unspecified atherosclerosis of other type of bypass graft(s) of the extremities, right leg I70.702 - Unspecified atherosclerosis of other type of bypass graft(s) of the extremities, left leg I70.703 - Unspecified atherosclerosis of other type of bypass graft(s) of the extremities, bilateral legs I70.708 - Unspecified atherosclerosis of other type of bypass graft(s) of the extremities, other extremity I70.709 - Unspecified atherosclerosis of other type of bypass graft(s) of the extremities, unspecified extremity I70.71 - Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication I70.711 - Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication, right leg I70.712 - Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication, left leg I70.713 - Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication, bilateral legs I70.718 - Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication, other extremity I70.719 - Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication, unspecified extremity I70.72 - Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain I70.721 - Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain, right leg I70.722 - Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain, left leg I70.723 - Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain, bilateral legs I70.728 - Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain, other extremity I70.729 - Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain, unspecified extremity I70.73 - Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration I70.731 - Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of thigh I70.732 - Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of calf I70.733 - Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of ankle I70.734 - Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of heel and midfoot I70.735 - Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of other part of foot I70.738 - Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of other part of lower leg I70.739 - Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of unspecified site I70.74 - Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration I70.741 - Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of thigh I70.742 - Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of calf I70.743 - Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of ankle I70.744 - Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of heel and midfoot I70.745 - Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of other part of foot I70.748 - Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of other part of lower leg I70.749 - Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of unspecified site I70.75 - Atherosclerosis of other type of bypass graft(s) of other extremity with ulceration I70.76 - Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene I70.761 - Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene, right leg I70.762 - Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene, left leg I70.763 - Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene, bilateral legs I70.768 - Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene, other extremity I70.769 - Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene, unspecified extremity I70.79 - Other atherosclerosis of other type of bypass graft(s) of the extremities I70.791 - Other atherosclerosis of other type of bypass graft(s) of the extremities, right leg I70.792 - Other atherosclerosis of other type of bypass graft(s) of the extremities, left leg I70.793 - Other atherosclerosis of other type of bypass graft(s) of the extremities, bilateral legs I70.798 - Other atherosclerosis of other type of bypass graft(s) of the extremities, other extremity I70.799 - Other atherosclerosis of other type of bypass graft(s) of the extremities, unspecified extremity I70.8 - Atherosclerosis of other arteries I70.9 - Other and unspecified atherosclerosis I70.90 - Unspecified atherosclerosis I70.91 - Generalized atherosclerosis I70.92 - Chronic total occlusion of artery of the extremities

About ICD-10-CM Code I70 (Atherosclerosis)

ICD-10-CM code I70 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM I70 became effective on October 1, 2024.

This page provides detailed information about I70 - Atherosclerosis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Atherosclerosis.