I00–I99: Diseases of the Circulatory System
Chapter 9 of ICD-10-CM 2027, 1,807 codes in 10 blocks.
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Chapter instructions
Excludes2: not included here, code separately if applicable
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
Codes in this chapter
All codesBillable only1,433 results
- 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
- I70.231Atherosclerosis 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
- I70.241Atherosclerosis 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
- I70.261Atherosclerosis 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
- I70.291Other 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
- I70.301Unspecified 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
- I70.311Atherosclerosis 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
- I70.321Atherosclerosis 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
- I70.331Atherosclerosis 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