I70.523 — Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, bilateral legs
I70.523 is a billable, specific ICD-10-CM code for atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, bilateral legs. It is valid for submission on a claim.
Risk adjustment
I70.523 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.
Medicare coverage
I70.523 is named in 36 Medicare coverage policies — 36 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A56232Billing and Coding: Foot Care
- A56423Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
- A56423Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
How I70.523 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to I70.523.
- Arteriosclerosis, arteriosclerotic›with›critical limb ischemia›bypass graft›nonautologous biological graft›leg›bilateral
- Arteriosclerosis, arteriosclerotic›extremities›bypass graft›nonautologous biological graft›leg›bilateral›with›rest pain(and intermittent claudication)
- Arteriosclerosis, arteriosclerotic›with›critical limb ischemia›bypass graft›nonautologous biological graft›leg›bilateral›with›rest pain(and intermittent claudication)
Related codes at this level
Codes that share I70.52. If I70.523 is not quite right, the correct code is usually one of these.
- I70.521Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, right leg
- I70.522Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, left leg
- I70.528Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, other extremity
- I70.529Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, unspecified extremity
Questions about I70.523
- Is I70.523 a billable ICD-10-CM code?
- Yes. I70.523 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does I70.523 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Diseases of arteries, arterioles and capillaries (I70-I79).