I70.209 — Unspecified atherosclerosis of native arteries of extremities, unspecified extremity
I70.209 is a billable, specific ICD-10-CM code for unspecified atherosclerosis of native arteries of extremities, unspecified extremity. It is valid for submission on a claim.
Risk adjustment
I70.209 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
I70.209 is named in 5 Medicare coverage policies — 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52996Billing and Coding: Routine Foot Care
- A56680Billing and Coding: Routine Foot Care
- A57174Billing and Coding: MolDX: Pharmacogenomics Testing
- A57188Billing and Coding: Routine Foot Care
How I70.209 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 I70.209.
- Arteriosclerosis, arteriosclerotic›extremities(native arteries)
- Arteriosclerosis, arteriosclerotic›extremities›leg
Related codes at this level
Codes that share I70.20. If I70.209 is not quite right, the correct code is usually one of these.
- I70.201Unspecified atherosclerosis of native arteries of extremities, right leg
- I70.202Unspecified atherosclerosis of native arteries of extremities, left leg
- I70.203Unspecified atherosclerosis of native arteries of extremities, bilateral legs
- I70.208Unspecified atherosclerosis of native arteries of extremities, other extremity
Questions about I70.209
- Is I70.209 a billable ICD-10-CM code?
- Yes. I70.209 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does I70.209 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Diseases of arteries, arterioles and capillaries (I70-I79).