ICD-10-CM code · FY2027
I70.631 Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of thigh
BillableValid for claims as a specific diagnosis code
About I70.631
Go deeper into atherosclerosis.
Ask about the latest evidence, the landmark trials or what guidelines recommend, with every study cited. No ads, no sponsored answers.
Coding notes for I70.631
No notes of its own; the notes below apply from the codes above it.
Also applies, from I70.63 Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration
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 I70.6 Atherosclerosis of nonbiological 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 I70.63
- I70.632 Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of calfBillable
- I70.633 Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of ankleBillable
- I70.634 Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of heel and midfootBillable
- I70.635 Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of other part of footBillable
- I70.638 Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of other part of lower legBillable
- I70.639 Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of unspecified siteBillable
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.