I25.798 — Atherosclerosis of other coronary artery bypass graft(s) with other forms of angina pectoris
I25.798 is a billable, specific ICD-10-CM code for atherosclerosis of other coronary artery bypass graft(s) with other forms of angina pectoris. 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.
- other forms of angina pectoris without atherosclerosis of other coronary artery bypass graft(s) (I20.8-)
Risk adjustment
I25.798 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
I25.798 is named in 58 Medicare coverage policies — 58 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 I25.798 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 I25.798.
- Arteriosclerosis, arteriosclerotic›coronary›bypass graft›specified type NEC›with›angina pectoris›specified type
Related codes at this level
Codes that share I25.79. If I25.798 is not quite right, the correct code is usually one of these.
- I25.790Atherosclerosis of other coronary artery bypass graft(s) with unstable angina pectoris
- I25.791Atherosclerosis of other coronary artery bypass graft(s) with angina pectoris with documented spasm
- I25.792Atherosclerosis of other coronary artery bypass graft(s) with refractory angina pectoris
- I25.799Atherosclerosis of other coronary artery bypass graft(s) with unspecified angina pectoris
Questions about I25.798
- Is I25.798 a billable ICD-10-CM code?
- Yes. I25.798 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does I25.798 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 I25.798?
- I25.798 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.