I70.64
Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration
I70.64 is a non-billable ICD-10-CM code header for atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are I70.641 Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of thigh, I70.642 Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of calf, I70.643 Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of ankle, I70.644 Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of heel and midfoot and 3 more. Its coding notes include a Use additional code instruction and 18 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
- code to identify severity of ulcer (L97.-)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (10 notes)
- 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.-)
Includes
Further defines or gives examples of the content of the category.
- arteriolosclerosis
- arterial degeneration
- arteriosclerosis
- arteriosclerotic vascular disease
- arteriovascular degeneration
- atheroma
- endarteritis deformans or obliterans
- senile arteritis
- senile endarteritis
- vascular degeneration
More specific codes under I70.64 7
- I70.641Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of thighBillable
- I70.642Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of calfBillable
- I70.643Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of ankleBillable
- I70.644Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of heel and midfootBillable
- I70.645Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of other part of footBillable
- I70.648Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of other part of lower legBillable
- I70.649Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of unspecified siteBillable