I70.55: Atherosclerosis of nonautologous biological bypass graft(s) of other extremity with ulceration
I70.55 is a billable, specific ICD-10-CM code for atherosclerosis of nonautologous biological bypass graft(s) of other extremity with ulceration. It is valid for submission on a claim.
Check I70.55 with the rest of the claim: free scrubberUse additional code
Add a secondary code to capture the detail described below.
- code to identify severity of ulcer (L98.49)
Includes
Conditions this code covers.
Excludes2 inherited from the categories above I70.55
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 I70.55
Their own Excludes1 notes name this code, so the conflict is not listed above.
- I77.6Arteritis, unspecified
Risk adjustment
I70.55 risk-adjusts. Under the CMS-HCC V28 model it maps to these categories:
- HCC 263 Atherosclerosis of Arteries of the Extremities with Ulceration or Gangrene1.118 RAF
- HCC 383 Chronic Ulcer of Skin, Except Pressure, Not Specified as Through to Bone or Muscle0.646 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
I70.55 is named in 16 Medicare coverage policies: 16 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A53057Billing and Coding: Home Health Occupational Therapy
- A53058Billing and Coding: Home Health Physical Therapy
- A53064Billing and Coding: Outpatient Occupational Therapy
Alphabetic index entries that lead here
- Arteriosclerosis, arteriosclerotic›extremities›bypass graft›nonautologous biological graft›specified NEC›with›ulceration(and intermittent claudication and rest pain)
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under I70.5
- I70.50Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities
- I70.51Atherosclerosis of nonautologous biological bypass graft(s) of the extremities intermittent claudication
- I70.52Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain
- I70.53Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration
- I70.54Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulceration
- I70.56Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene
- I70.59Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities