Atherosclerosis

Instructional notes

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers hypertension with heart and kidney disease, coronary artery disease with angina, perioperative stroke, cerebrovascular sequelae, and acute myocardial infarction types and timing.

• Hypertension (page 50)
• Atherosclerotic Coronary Artery Disease and Angina (page 52)
• Intraoperative and Postprocedural Cerebrovascular Accident (page 53)
• Sequelae of Cerebrovascular Disease (page 53)
• Acute myocardial infarction (AMI) (page 54)

Read Section I.C.9 (page 50)

All codes under I70

I70 can't be used on a claim. Pick a billable code below; grey headings group them.

• I70.0Atherosclerosis of aorta
• I70.1Atherosclerosis of renal artery
• I70.2Atherosclerosis of native arteries of the extremities
• I70.20Unspecified atherosclerosis of native arteries of extremities
• I70.201Unspecified atherosclerosis of native arteries of extremities, right leg
• I70.202Unspecified atherosclerosis of native arteries of extremities, left leg
• I70.203Unspecified atherosclerosis of native arteries of extremities, bilateral legs
• I70.208Unspecified atherosclerosis of native arteries of extremities, other extremity
• I70.209Unspecified atherosclerosis of native arteries of extremities, unspecified extremity
• I70.21Atherosclerosis of native arteries of extremities with intermittent claudication
• I70.211Atherosclerosis of native arteries of extremities with intermittent claudication, right leg
• I70.212Atherosclerosis of native arteries of extremities with intermittent claudication, left leg
• I70.213Atherosclerosis of native arteries of extremities with intermittent claudication, bilateral legs
• I70.218Atherosclerosis of native arteries of extremities with intermittent claudication, other extremity
• I70.219Atherosclerosis of native arteries of extremities with intermittent claudication, unspecified extremity
• I70.22Atherosclerosis of native arteries of extremities with rest pain
• I70.221Atherosclerosis of native arteries of extremities with rest pain, right leg
• I70.222Atherosclerosis of native arteries of extremities with rest pain, left leg
• I70.223Atherosclerosis of native arteries of extremities with rest pain, bilateral legs
• I70.228Atherosclerosis of native arteries of extremities with rest pain, other extremity
• I70.229Atherosclerosis of native arteries of extremities with rest pain, unspecified extremity
• I70.23Atherosclerosis of native arteries of right leg with ulceration
• I70.231Atherosclerosis of native arteries of right leg with ulceration of thigh
• I70.232Atherosclerosis of native arteries of right leg with ulceration of calf
• I70.233Atherosclerosis of native arteries of right leg with ulceration of ankle
• I70.234Atherosclerosis of native arteries of right leg with ulceration of heel and midfoot
• I70.235Atherosclerosis of native arteries of right leg with ulceration of other part of foot
• I70.238Atherosclerosis of native arteries of right leg with ulceration of other part of lower leg
• I70.239Atherosclerosis of native arteries of right leg with ulceration of unspecified site
• I70.24Atherosclerosis of native arteries of left leg with ulceration
• I70.241Atherosclerosis of native arteries of left leg with ulceration of thigh
• I70.242Atherosclerosis of native arteries of left leg with ulceration of calf
• I70.243Atherosclerosis of native arteries of left leg with ulceration of ankle
• I70.244Atherosclerosis of native arteries of left leg with ulceration of heel and midfoot
• I70.245Atherosclerosis of native arteries of left leg with ulceration of other part of foot
• I70.248Atherosclerosis of native arteries of left leg with ulceration of other part of lower leg
• I70.249Atherosclerosis of native arteries of left leg with ulceration of unspecified site
• I70.25Atherosclerosis of native arteries of other extremities with ulceration
• I70.26Atherosclerosis of native arteries of extremities with gangrene
• I70.261Atherosclerosis of native arteries of extremities with gangrene, right leg
• I70.262Atherosclerosis of native arteries of extremities with gangrene, left leg
• I70.263Atherosclerosis of native arteries of extremities with gangrene, bilateral legs
• I70.268Atherosclerosis of native arteries of extremities with gangrene, other extremity
• I70.269Atherosclerosis of native arteries of extremities with gangrene, unspecified extremity
• I70.29Other atherosclerosis of native arteries of extremities
• I70.291Other atherosclerosis of native arteries of extremities, right leg
• I70.292Other atherosclerosis of native arteries of extremities, left leg
• I70.293Other atherosclerosis of native arteries of extremities, bilateral legs
• I70.298Other atherosclerosis of native arteries of extremities, other extremity
• I70.299Other atherosclerosis of native arteries of extremities, unspecified extremity
• I70.3Atherosclerosis of unspecified type of bypass graft(s) of the extremities
• I70.30Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities
• I70.301Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities, right leg
• I70.302Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities, left leg
• I70.303Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities, bilateral legs
• I70.308Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities, other extremity
• I70.309Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities, unspecified extremity
• I70.31Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication
• I70.311Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication, right leg
• I70.312Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication, left leg
• I70.313Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication, bilateral legs
• I70.318Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication, other extremity
• I70.319Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication, unspecified extremity
• I70.32Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain
• I70.321Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, right leg
• I70.322Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, left leg
• I70.323Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, bilateral legs
• I70.328Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, other extremity
• I70.329Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, unspecified extremity
• I70.33Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration
• I70.331Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of thigh
• I70.332Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of calf
• I70.333Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of ankle
• I70.334Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of heel and midfoot
• I70.335Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of other part of foot
• I70.338Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of other part of lower leg
• I70.339Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of unspecified site
• I70.34Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration
• I70.341Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of thigh
• I70.342Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of calf
• I70.343Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of ankle
• I70.344Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of heel and midfoot
• I70.345Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of other part of foot
• I70.348Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of other part of lower leg
• I70.349Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of unspecified site
• I70.35Atherosclerosis of unspecified type of bypass graft(s) of other extremity with ulceration
• I70.36Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene
• I70.361Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene, right leg
• I70.362Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene, left leg
• I70.363Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene, bilateral legs
• I70.368Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene, other extremity
• I70.369Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangrene, unspecified extremity
• I70.39Other atherosclerosis of unspecified type of bypass graft(s) of the extremities
• I70.391Other atherosclerosis of unspecified type of bypass graft(s) of the extremities, right leg
• I70.392Other atherosclerosis of unspecified type of bypass graft(s) of the extremities, left leg
• I70.393Other atherosclerosis of unspecified type of bypass graft(s) of the extremities, bilateral legs
• I70.398Other atherosclerosis of unspecified type of bypass graft(s) of the extremities, other extremity
• I70.399Other atherosclerosis of unspecified type of bypass graft(s) of the extremities, unspecified extremity
• I70.4Atherosclerosis of autologous vein bypass graft(s) of the extremities
• I70.40Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities
• I70.401Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, right leg
• I70.402Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, left leg
• I70.403Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, bilateral legs
• I70.408Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, other extremity
• I70.409Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, unspecified extremity
• I70.41Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication
• I70.411Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, right leg
• I70.412Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, left leg
• I70.413Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, bilateral legs
• I70.418Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, other extremity
• I70.419Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, unspecified extremity
• I70.42Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain
• I70.421Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, right leg
• I70.422Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, left leg
• I70.423Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, bilateral legs
• I70.428Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, other extremity
• I70.429Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, unspecified extremity
• I70.43Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration
• I70.431Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of thigh
• I70.432Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of calf
• I70.433Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of ankle
• I70.434Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of heel and midfoot
• I70.435Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of other part of foot
• I70.438Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of other part of lower leg
• I70.439Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of unspecified site
• I70.44Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration
• I70.441Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of thigh
• I70.442Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of calf
• I70.443Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of ankle
• I70.444Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of heel and midfoot
• I70.445Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of other part of foot
• I70.448Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of other part of lower leg
• I70.449Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of unspecified site
• I70.45Atherosclerosis of autologous vein bypass graft(s) of other extremity with ulceration
• I70.46Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene
• I70.461Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, right leg
• I70.462Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, left leg
• I70.463Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, bilateral legs
• I70.468Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, other extremity
• I70.469Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, unspecified extremity
• I70.49Other atherosclerosis of autologous vein bypass graft(s) of the extremities
• I70.491Other atherosclerosis of autologous vein bypass graft(s) of the extremities, right leg
• I70.492Other atherosclerosis of autologous vein bypass graft(s) of the extremities, left leg
• I70.493Other atherosclerosis of autologous vein bypass graft(s) of the extremities, bilateral legs
• I70.498Other atherosclerosis of autologous vein bypass graft(s) of the extremities, other extremity
• I70.499Other atherosclerosis of autologous vein bypass graft(s) of the extremities, unspecified extremity
• I70.5Atherosclerosis of nonautologous biological bypass graft(s) of the extremities
• I70.50Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities
• I70.501Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities, right leg
• I70.502Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities, left leg
• I70.503Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities, bilateral legs
• I70.508Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities, other extremity
• I70.509Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities, unspecified extremity
• I70.51Atherosclerosis of nonautologous biological bypass graft(s) of the extremities intermittent claudication
• I70.511Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with intermittent claudication, right leg
• I70.512Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with intermittent claudication, left leg
• I70.513Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with intermittent claudication, bilateral legs
• I70.518Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with intermittent claudication, other extremity
• I70.519Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with intermittent claudication, unspecified extremity
• I70.52Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain
• I70.521Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, right leg
• I70.522Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, left leg
• I70.523Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, bilateral legs
• I70.528Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, other extremity
• I70.529Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, unspecified extremity
• I70.53Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration
• I70.531Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of thigh
• I70.532Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of calf
• I70.533Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of ankle
• I70.534Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of heel and midfoot
• I70.535Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of other part of foot
• I70.538Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of other part of lower leg
• I70.539Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of unspecified site
• I70.54Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration
• I70.541Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of thigh
• I70.542Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of calf
• I70.543Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of ankle
• I70.544Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of heel and midfoot
• I70.545Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of other part of foot
• I70.548Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of other part of lower leg
• I70.549Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration of unspecified site
• I70.55Atherosclerosis of nonautologous biological bypass graft(s) of other extremity with ulceration
• I70.56Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene
• I70.561Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene, right leg
• I70.562Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene, left leg
• I70.563Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene, bilateral legs
• I70.568Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene, other extremity
• I70.569Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene, unspecified extremity
• I70.59Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities
• I70.591Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities, right leg
• I70.592Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities, left leg
• I70.593Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities, bilateral legs
• I70.598Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities, other extremity
• I70.599Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities, unspecified extremity
• I70.6Atherosclerosis of nonbiological bypass graft(s) of the extremities
• I70.60Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities
• I70.601Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities, right leg
• I70.602Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities, left leg
• I70.603Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities, bilateral legs
• I70.608Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities, other extremity
• I70.609Unspecified atherosclerosis of nonbiological bypass graft(s) of the extremities, unspecified extremity
• I70.61Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication
• I70.611Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication, right leg
• I70.612Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication, left leg
• I70.613Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication, bilateral legs
• I70.618Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication, other extremity
• I70.619Atherosclerosis of nonbiological bypass graft(s) of the extremities with intermittent claudication, unspecified extremity
• I70.62Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain
• I70.621Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, right leg
• I70.622Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, left leg
• I70.623Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, bilateral legs
• I70.628Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, other extremity
• I70.629Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, unspecified extremity
• I70.63Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration
• I70.631Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of thigh
• I70.632Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of calf
• I70.633Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of ankle
• I70.634Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of heel and midfoot
• I70.635Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of other part of foot
• I70.638Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of other part of lower leg
• I70.639Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of unspecified site
• I70.64Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration
• I70.641Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of thigh
• I70.642Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of calf
• I70.643Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of ankle
• I70.644Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of heel and midfoot
• I70.645Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of other part of foot
• I70.648Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of other part of lower leg
• I70.649Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of unspecified site
• I70.65Atherosclerosis of nonbiological bypass graft(s) of other extremity with ulceration
• I70.66Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene
• I70.661Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene, right leg
• I70.662Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene, left leg
• I70.663Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene, bilateral legs
• I70.668Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene, other extremity
• I70.669Atherosclerosis of nonbiological bypass graft(s) of the extremities with gangrene, unspecified extremity
• I70.69Other atherosclerosis of nonbiological bypass graft(s) of the extremities
• I70.691Other atherosclerosis of nonbiological bypass graft(s) of the extremities, right leg
• I70.692Other atherosclerosis of nonbiological bypass graft(s) of the extremities, left leg
• I70.693Other atherosclerosis of nonbiological bypass graft(s) of the extremities, bilateral legs
• I70.698Other atherosclerosis of nonbiological bypass graft(s) of the extremities, other extremity
• I70.699Other atherosclerosis of nonbiological bypass graft(s) of the extremities, unspecified extremity
• I70.7Atherosclerosis of other type of bypass graft(s) of the extremities
• I70.70Unspecified atherosclerosis of other type of bypass graft(s) of the extremities
• I70.701Unspecified atherosclerosis of other type of bypass graft(s) of the extremities, right leg
• I70.702Unspecified atherosclerosis of other type of bypass graft(s) of the extremities, left leg
• I70.703Unspecified atherosclerosis of other type of bypass graft(s) of the extremities, bilateral legs
• I70.708Unspecified atherosclerosis of other type of bypass graft(s) of the extremities, other extremity
• I70.709Unspecified atherosclerosis of other type of bypass graft(s) of the extremities, unspecified extremity
• I70.71Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication
• I70.711Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication, right leg
• I70.712Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication, left leg
• I70.713Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication, bilateral legs
• I70.718Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication, other extremity
• I70.719Atherosclerosis of other type of bypass graft(s) of the extremities with intermittent claudication, unspecified extremity
• I70.72Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain
• I70.721Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain, right leg
• I70.722Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain, left leg
• I70.723Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain, bilateral legs
• I70.728Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain, other extremity
• I70.729Atherosclerosis of other type of bypass graft(s) of the extremities with rest pain, unspecified extremity
• I70.73Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration
• I70.731Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of thigh
• I70.732Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of calf
• I70.733Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of ankle
• I70.734Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of heel and midfoot
• I70.735Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of other part of foot
• I70.738Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of other part of lower leg
• I70.739Atherosclerosis of other type of bypass graft(s) of the right leg with ulceration of unspecified site
• I70.74Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration
• I70.741Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of thigh
• I70.742Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of calf
• I70.743Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of ankle
• I70.744Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of heel and midfoot
• I70.745Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of other part of foot
• I70.748Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of other part of lower leg
• I70.749Atherosclerosis of other type of bypass graft(s) of the left leg with ulceration of unspecified site
• I70.75Atherosclerosis of other type of bypass graft(s) of other extremity with ulceration
• I70.76Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene
• I70.761Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene, right leg
• I70.762Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene, left leg
• I70.763Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene, bilateral legs
• I70.768Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene, other extremity
• I70.769Atherosclerosis of other type of bypass graft(s) of the extremities with gangrene, unspecified extremity
• I70.79Other atherosclerosis of other type of bypass graft(s) of the extremities
• I70.791Other atherosclerosis of other type of bypass graft(s) of the extremities, right leg
• I70.792Other atherosclerosis of other type of bypass graft(s) of the extremities, left leg
• I70.793Other atherosclerosis of other type of bypass graft(s) of the extremities, bilateral legs
• I70.798Other atherosclerosis of other type of bypass graft(s) of the extremities, other extremity
• I70.799Other atherosclerosis of other type of bypass graft(s) of the extremities, unspecified extremity
• I70.8Atherosclerosis of other arteries
• I70.9Other and unspecified atherosclerosis
• I70.90Unspecified atherosclerosis
• I70.91Generalized atherosclerosis
• I70.92Chronic total occlusion of artery of the extremities

I70 MS-DRGs

As the principal diagnosis, the billable codes under I70 group to these 8 MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

• DRG 299 Peripheral Vascular Disorders with MCC (245 of 246 codes)
• DRG 300 Peripheral Vascular Disorders with CC (245 of 246 codes)
• DRG 301 Peripheral Vascular Disorders without CC/MCC (245 of 246 codes)
• DRG 791 Prematurity with Major Problems (5 of 246 codes)
• DRG 793 Full Term Neonate with Major Problems (5 of 246 codes)
• DRG 698 Other Kidney and Urinary Tract Diagnoses with MCC (1 of 246 codes)
• DRG 699 Other Kidney and Urinary Tract Diagnoses with CC (1 of 246 codes)
• DRG 700 Other Kidney and Urinary Tract Diagnoses without CC/MCC (1 of 246 codes)

Other codes that refer to I70

Notes on these codes point to I70.

• I77.6 Excludes1: deformans (I70.-)
• I77.6 Excludes1: obliterans (I70.-)
• I77.6 Excludes1: senile (I70.-)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.