ICD-10-CM code · FY2027
I70.34 Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration
Header codeNot billable: use one of the 7 billable codes below
About I70.34
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Coding notes for I70.34
Includes Conditions this code covers.
Use additional code Add a second code for the detail named here.
- code to identify severity of ulcer (L97.-)
Also applies, from I70.3 Atherosclerosis of unspecified type of bypass graft(s) of the extremities
Excludes1 Not coded here: never report these together with this code (use the code given instead).
- embolism or thrombus of bypass graft(s) of extremities (T82.8-)
Use additional code Add a second code for the detail named here.
- code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
Also applies, from I70 Atherosclerosis
Includes Conditions this code covers.
- arteriolosclerosis
- arterial degeneration
- arteriosclerosis
- arteriosclerotic vascular disease
- arteriovascular degeneration
- atheroma
- endarteritis deformans or obliterans
- senile arteritis
- senile endarteritis
- vascular degeneration
Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.
Use additional code Add a second code for the detail named here.
Chapter 9 notes (apply to every code in it)
Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.
- 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 under I70.34 7
- I70.341 Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of thighBillable
- I70.342 Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of calfBillable
- I70.343 Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of ankleBillable
- I70.344 Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of heel and midfootBillable
- I70.345 Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of other part of footBillable
- I70.348 Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of other part of lower legBillable
- I70.349 Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of unspecified siteBillable
Related codes in I70.3
- I70.30 Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremitiesHeader
- I70.31 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudicationHeader
- I70.32 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest painHeader
- I70.33 Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulcerationHeader
- I70.35 Atherosclerosis of unspecified type of bypass graft(s) of other extremity with ulcerationBillable
- I70.36 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with gangreneHeader
- I70.39 Other atherosclerosis of unspecified type of bypass graft(s) of the extremitiesHeader
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See 2MM+ plansICD-10-CM FY2027 code set, as published by the CDC National Center for Health Statistics (NCHS) and CMS, effective October 1, 2026 to September 30, 2027. Codes, titles and notes are shown as published. Check payer rules and the official guidelines before billing. This page is not medical advice.
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