MCMCB Pro
I70.299

I70.299Other atherosclerosis of native arteries of extremities, unspecified extremity

Billable / specific codeICD-10-CM

I70.299 is a billable, specific ICD-10-CM code for other atherosclerosis of native arteries of extremities, unspecified extremity. It is valid for submission on a claim.

Risk adjustment

I70.299 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

I70.299 is named in 3 Medicare coverage policies 3 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
  • A57636Billing and Coding: Duplex Scanning

How I70.299 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 I70.299.

  • Arteriosclerosis, arterioscleroticextremitieslegspecified type NEC

Related codes at this level

Codes that share I70.29. If I70.299 is not quite right, the correct code is usually one of these.

Questions about I70.299

Is I70.299 a billable ICD-10-CM code?
Yes. I70.299 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I70.299 sit in the tabular list?
Diseases of the circulatory system (I00-I99), in the block Diseases of arteries, arterioles and capillaries (I70-I79).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.