I70.34

I70.34: Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration

Non-billable headerICD-10-CMleft

I70.34 is a non-billable header ICD-10-CM code for atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration. It cannot be billed on its own: choose one of the more specific child codes below.

Use additional code

Add a secondary code to capture the detail described below.

code to identify severity of ulcer (L97.-)

Includes

Conditions this code covers.

any condition classifiable to I70.312 and I70.322
chronic limb-threatening ischemia of unspecified type of bypass graft(s) of the left leg with ulceration
critical limb ischemia of unspecified type of bypass graft(s) of the left leg with ulceration

Excludes1 inherited from the categories above I70.34

A category’s note binds every code beneath it.

Written on I70.3: Atherosclerosis of unspecified type of bypass graft(s) of the extremities

embolism or thrombus of bypass graft(s) of extremities (T82.8-)

Excludes2 inherited from the categories above I70.34

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

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 I70.34

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 I70.34

7 child codes. Green means billable.