I70.21
Atherosclerosis of native arteries of extremities with intermittent claudication
I70.21 is a non-billable ICD-10-CM code header for atherosclerosis of native arteries of extremities with intermittent claudication. 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 I70.211 Atherosclerosis of native arteries of extremities with intermittent claudication, right leg; I70.212 Atherosclerosis of native arteries of extremities with intermittent claudication, left leg; I70.213 Atherosclerosis of native arteries of extremities with intermittent claudication, bilateral legs; I70.218 Atherosclerosis of native arteries of extremities with intermittent claudication, 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 I70.21 5
- I70.211Atherosclerosis of native arteries of extremities with intermittent claudication, right legBillable
- I70.212Atherosclerosis of native arteries of extremities with intermittent claudication, left legBillable
- I70.213Atherosclerosis of native arteries of extremities with intermittent claudication, bilateral legsBillable
- I70.218Atherosclerosis of native arteries of extremities with intermittent claudication, other extremityBillable
- I70.219Atherosclerosis of native arteries of extremities with intermittent claudication, unspecified extremityBillable