Coronary Artery Disease ICD-10-CM Codes | 2025

Get accurate Coronary Artery Disease ICD-10-CM codes for precise medical documentation. Streamline diagnoses efficiently with the right codes.

By Patricia Buenaventura on Aug 8, 2025.

Fact Checked by Ericka Pingol.

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What ICD-10 codes are used for coronary artery disease?

Coronary Artery Disease (CAD) is a prevalent cardiovascular condition characterized by the narrowing or blockage o f coronary arteries that supply blood to the heart muscle. Accurate coding of CAD is essential for effective medical documentation and billing purposes. Here are several commonly used ICD-10 codes for Coronary Artery Disease, along with their clinical descriptions:

I25.10 - Atherosclerotic heart disease of native coronary artery without angina pectoris

This code indicates the presence of atherosclerosis in the coronary arteries without associated angina pectoris.

I25.110 - Atherosclerotic heart disease of native coronary artery with unstable angina pectoris

This code signifies the presence of unstable angina, which is chest pain or discomfort caused by reduced blood flow to the heart due to atherosclerosis in the coronary arteries.

I25.2 - Old myocardial infarction

This code is used when a patient has previously experienced a myocardial infarction (heart attack) and is now stable.

I25.700 - Atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart without angina pectoris

This code indicates the presence of atherosclerosis in the bypass graft or transplanted coronary artery without associated angina pectoris.

I25.729 - Atherosclerosis of autologous artery coronary artery bypass graft(s) with unspecified angina pectoris

This code indicates the presence of atherosclerosis in the autologous artery bypass graft.

Which coronary artery disease ICD codes are billable?

All of he codes mentioned in the section above are billable.

Clinical information

Coronary Artery Disease (CAD), a type of atherosclerotic cardiovascular disease, is a common cardiovascular condition characterized by the narrowing or blockage of coronary arteries, restricting blood flow to the heart muscle.
The primary cause of CAD is coronary atherosclerosis, a buildup of lipid rich plaque consisting of cholesterol, fatty deposits, and other substances on the arterial walls, and in advance cases, calcified coronary lesions may develop and become a cause of CAD as well.
CAD often presents with symptoms such as chest pain or discomfort (angina pectoris), shortness of breath, fatigue, and in some cases, no symptoms at all (silent myocardial ischemia).
Diagnosis of CAD involves a combination of patient history, physical examination, diagnostic tests (such as electrocardiogram, stress tests, cardiac catheterization), and imaging techniques (such as coronary angiography, CT scan, or MRI).
Management of CAD focuses on lifestyle modifications (such as adopting a heart-healthy diet, regular exercise, and smoking cessation), medication therapies (including statins, antiplatelet agents, beta-blockers), and, in severe cases, invasive procedures like angioplasty or coronary artery bypass grafting (CABG).
Complications of CAD may include a heart attack (acute myocardial infarction), arrhythmias, heart failure, and even sudden cardiac death.
Ongoing monitoring, regular check-ups, and adherence to prescribed medications and lifestyle changes are crucial in managing CAD and reducing the risk of complications.
Patient education and awareness about CAD, its symptoms, and the importance of early detection and management play a significant role in preventing disease progression and improving outcomes.
Collaborative care involving cardiologists, primary care physicians, dietitians, and other healthcare professionals ensures comprehensive management of CAD and supports patients in leading heart-healthy life.

Synonyms include

Ischemic heart disease
Coronary heart disease
Coronary artery atherosclerosis
Coronary vascular disease
Coronary occlusive disease

Commonly asked questions

The ICD-10 code is I25.10: Atherosclerotic heart disease of native coronary artery without angina pectoris

CAD risk factors include age, family history, high blood pressure, high cholesterol levels, smoking, obesity, diabetes, and a sedentary lifestyle.

Treatment of CAD focuses on lifestyle modifications (such as diet and exercise), medication therapies (including statins, antiplatelet agents, and beta-blockers), and, in severe cases, invasive procedures like angioplasty or coronary artery bypass grafting (CABG).

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