MCMCB Pro
I25.750

I25.750Atherosclerosis of native coronary artery of transplanted heart with unstable angina

Billable / specific codeICD-10-CM

I25.750 is a billable, specific ICD-10-CM code for atherosclerosis of native coronary artery of transplanted heart with unstable angina. It is valid for submission on a claim.

Risk adjustment

I25.750 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 229 Unstable Angina and Other Acute Ischemic Heart Disease0.240 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

I25.750 is named in 59 Medicare coverage policies 59 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
  • A56423Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
  • A56423Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing

How I25.750 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 I25.750.

  • Arteriosclerosis, arterioscleroticcoronarytransplanted heartnative coronary arterywithangina pectorisunstable

Related codes at this level

Codes that share I25.75. If I25.750 is not quite right, the correct code is usually one of these.

Questions about I25.750

Is I25.750 a billable ICD-10-CM code?
Yes. I25.750 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I25.750 sit in the tabular list?
Diseases of the circulatory system (I00-I99), in the block Ischemic heart diseases (I20-I25).
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.