I70.21

I70.21: Atherosclerosis of native arteries of extremities with intermittent claudication

Non-billable headerICD-10-CM

I70.21 is a non-billable header ICD-10-CM code for atherosclerosis of native arteries of extremities with intermittent claudication. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2 inherited from the categories above I70.21

Not part of this code, but both may be coded when both are present.

Written on I70.2: Atherosclerosis of native arteries of the extremities

atherosclerosis of bypass graft of extremities (I70.30-I70.79)

Written on I70: Atherosclerosis

arteriosclerotic cardiovascular disease (I25.1-)
arteriosclerotic heart disease (I25.1-)
atheroembolism (I75.-)
cerebral atherosclerosis (I67.2)
coronary atherosclerosis (I25.1-)
mesenteric atherosclerosis (K55.1)
precerebral atherosclerosis (I67.2)
primary pulmonary atherosclerosis (I27.0)

Other codes that can never be billed with I70.21

Their own Excludes1 notes name this code, so the conflict is not listed above.

I77.6Arteritis, unspecified

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead I70.21

5 child codes. Green means billable.