I70.20
Unspecified atherosclerosis of native arteries of extremities
I70.20 is a non-billable ICD-10-CM code header for unspecified atherosclerosis of native arteries of extremities. 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 I70.201 Unspecified atherosclerosis of native arteries of extremities, right leg; I70.202 Unspecified atherosclerosis of native arteries of extremities, left leg; I70.203 Unspecified atherosclerosis of native arteries of extremities, bilateral legs; I70.208 Unspecified atherosclerosis of native arteries of extremities, other extremity and 1 more. Its coding notes include a Use additional code instruction and 19 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
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 I70.20 5
- I70.201Unspecified atherosclerosis of native arteries of extremities, right legBillable
- I70.202Unspecified atherosclerosis of native arteries of extremities, left legBillable
- I70.203Unspecified atherosclerosis of native arteries of extremities, bilateral legsBillable
- I70.208Unspecified atherosclerosis of native arteries of extremities, other extremityBillable
- I70.209Unspecified atherosclerosis of native arteries of extremities, unspecified extremityBillable