Is I25.118 a billable ICD-10-CM code?

Yes. I25.118 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does I25.118 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 I25.118?

I25.118 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

I25.118

I25.118 — Atherosclerotic heart disease of native coronary artery with other forms of angina pectoris

Billable / specific codeICD-10-CM

I25.118 is a billable, specific ICD-10-CM code for atherosclerotic heart disease of native coronary artery 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 atherosclerotic heart disease (I20.8-)

Risk adjustment

I25.118 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

I25.118 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
A52992Billing and Coding: Non-Invasive Cerebrovascular Arterial Studies
A53775Billing and Coding: Frequency and Duration for Cardiac Rehabilitation and Intensive Cardiac Rehabilitation

How I25.118 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 I25.118.

Arteriosclerosis, arteriosclerotic›coronary›native vessel›with›angina pectoris›specified type NEC

Related codes at this level

Codes that share I25.11. If I25.118 is not quite right, the correct code is usually one of these.

Questions about I25.118

Is I25.118 a billable ICD-10-CM code?: Yes. I25.118 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I25.118 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 I25.118?: I25.118 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.