I25.700: Atherosclerosis of coronary artery bypass graft(s), unspecified, with unstable angina pectoris
I25.700 is a billable, specific ICD-10-CM code for atherosclerosis of coronary artery bypass graft(s), unspecified, with unstable angina pectoris. It is valid for submission on a claim.
Check I25.700 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- unstable angina pectoris without atherosclerosis of coronary artery bypass graft (I20.0)
Excludes1 inherited from the categories above I25.700
A category’s note binds every code beneath it.
Written on I25.7: Atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris
Excludes2 inherited from the categories above I25.700
Not part of this code, but both may be coded when both are present.
Written on I25: Chronic ischemic heart disease
- non-ischemic myocardial injury (I5A)
Risk adjustment
I25.700 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. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
I25.700 is named in 27 Medicare coverage policies: 27 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A56425Billing and Coding: B-type Natriuretic Peptide (BNP) Testing
- A56451Billing and Coding: Cardiac Computed Tomography (CCT) and Coronary Computed Tomography Angiography (CCTA)
- A56476Billing and Coding: Cardiac Radionuclide Imaging
Alphabetic index entries that lead here
- Arteriosclerosis, arteriosclerotic›coronary›bypass graft›with›angina pectoris›unstable
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under I25.70
- I25.701Atherosclerosis of coronary artery bypass graft(s), unspecified, with angina pectoris with documented spasm
- I25.702Atherosclerosis of coronary artery bypass graft(s), unspecified, with refractory angina pectoris
- I25.708Atherosclerosis of coronary artery bypass graft(s), unspecified, with other forms of angina pectoris
- I25.709Atherosclerosis of coronary artery bypass graft(s), unspecified, with unspecified angina pectoris