I70.321: Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, right leg
I70.321 is a billable, specific ICD-10-CM code for atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, right leg. It is valid for submission on a claim.
Check I70.321 with the rest of the claim: free scrubberExcludes1 inherited from the categories above I70.321
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above I70.321
Not part of this code, but both may be coded when both are present.
Written on I70: Atherosclerosis
Other codes that can never be billed with I70.321
Their own Excludes1 notes name this code, so the conflict is not listed above.
- I77.6Arteritis, unspecified
Risk adjustment
I70.321 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 264 Vascular Disease with Complications0.455 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
I70.321 is named in 15 Medicare coverage policies: 15 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56232Billing and Coding: Foot Care
- A56476Billing and Coding: Cardiac Radionuclide Imaging
- A56675Billing and Coding: Homocysteine Level, Serum
- A56680Billing and Coding: Routine Foot Care
Alphabetic index entries that lead here
- Arteriosclerosis, arteriosclerotic›with›critical limb ischemia›bypass graft›leg›right
- Arteriosclerosis, arteriosclerotic›extremities›bypass graft›leg›right›with›rest pain(and intermittent claudication)
- Arteriosclerosis, arteriosclerotic›with›critical limb ischemia›bypass graft›leg›right›with›rest pain(and intermittent claudication)
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under I70.32
- I70.322Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, left leg
- I70.323Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, bilateral legs
- I70.328Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, other extremity
- I70.329Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain, unspecified extremity