ICD-10-CM code · FY2027
I70.55 Atherosclerosis of nonautologous biological bypass graft(s) of other extremity with ulceration
BillableValid for claims as a specific diagnosis code
About I70.55
Ask EvidencePulse about atherosclerosis
Answers from the published evidence, with every study linked. The question goes into the box; nothing is sent until you press Ask.
Coding notes for I70.55
Use additional code Add a second code for the detail named here.
- code to identify severity of ulcer (L98.49)
Also applies, from I70.5 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities
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.-)
Related codes in I70.5
- I70.50 Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremitiesHeader
- I70.51 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities intermittent claudicationHeader
- I70.52 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest painHeader
- I70.53 Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulcerationHeader
- I70.54 Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulcerationHeader
- I70.56 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangreneHeader
- I70.59 Other atherosclerosis of nonautologous biological bypass graft(s) of the extremitiesHeader
Latest research on atherosclerosis
- #VisualAbstract: Liraglutide may improve lower limb perfusion in people with type 2 diabetes and peripheral artery disease
- #VisualAbstract: Subclinical coronary atherosclerosis is associated with increased risk of myocardial infarction
- Subclinical coronary atherosclerosis is associated with increased risk of myocardial infarction
- Intracranial atherosclerosis on 7T MRI and cognitive functioning – the SMART-MR study
- Intracranial atherosclerosis on 7T MRI and cognitive functioning – the SMART-MR study
2MM+
Read the research behind every diagnosis
2MM+ gives you every study summary in full, Classics downloads of the landmark trials, EvidencePulse and HypeCheck, and ad-free reading.
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.