MCMCB Pro
I25.111

I25.111Atherosclerotic heart disease of native coronary artery with angina pectoris with documented spasm

Billable / specific codeICD-10-CM

I25.111 is a billable, specific ICD-10-CM code for atherosclerotic heart disease of native coronary artery with angina pectoris with documented spasm. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • angina pectoris with documented spasm without atherosclerotic heart disease (I20.1)

Risk adjustment

I25.111 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

I25.111 is named in 56 Medicare coverage policies 56 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
  • A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
  • A52992Billing and Coding: Non-Invasive Cerebrovascular Arterial Studies
  • A56423Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing

How I25.111 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 I25.111.

  • Arteriosclerosis, arterioscleroticcoronarynative vesselwithangina pectoriswith documented spasm

Related codes at this level

Codes that share I25.11. If I25.111 is not quite right, the correct code is usually one of these.

Questions about I25.111

Is I25.111 a billable ICD-10-CM code?
Yes. I25.111 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I25.111 sit in the tabular list?
Diseases of the circulatory system (I00-I99), in the block Ischemic heart diseases (I20-I25).
What cannot be coded together with I25.111?
I25.111 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.
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.