I25.83 — Coronary atherosclerosis due to lipid rich plaque
I25.83 is a billable, specific ICD-10-CM code for coronary atherosclerosis due to lipid rich plaque. It is valid for submission on a claim.
Risk adjustment
I25.83 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
I25.83 is named in 12 Medicare coverage policies — 12 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56494Billing and Coding: Cardiovascular Nuclear Medicine
- A56500Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A56505Billing and Coding: Transesophageal Echocardiography (TEE)
- A56743Billing and Coding: Cardiovascular Nuclear Medicine
How I25.83 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 I25.83.
- Plaque›coronary, lipid rich
- Plaque›lipid rich, coronary
- Arteriosclerosis, arteriosclerotic›coronary›due to›lipid rich plaque
- Atherosclerosis›coronary›artery›due to›lipid rich plaque
Related codes at this level
Codes that share I25.8. If I25.83 is not quite right, the correct code is usually one of these.
Questions about I25.83
- Is I25.83 a billable ICD-10-CM code?
- Yes. I25.83 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does I25.83 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Ischemic heart diseases (I20-I25).