I51.3
BillableIntracardiac thrombosis, not elsewhere classified
I51.3 is the ICD-10-CM code for Intracardiac thrombosis, not elsewhere classified. It is a billable, specific code valid for reimbursement.
I00-I99 Diseases of the circulatory system
What this means — in plain language
MedlinePlus · NIHCoronary artery disease (CAD) is the most common type of heart disease. It is the leading cause of death in the United States in both men and women. CAD happens when the arteries that supply blood to heart muscle become hardened and narrowed. This is due to the buildup of cholesterol and other material, called plaque, on their inner walls. This buildup is called atherosclerosis . As it grows, less blood can flow…
Read more about Coronary Artery Disease at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Apical thrombosis (old)
- •Atrial thrombosis (old)
- •Auricular thrombosis (old)
- •Mural thrombosis (old)
- •Ventricular thrombosis (old)
Excludes1 — not coded here
- •intracardiac thrombosis as current complication following acute myocardial infarction (I23.6)
Frequently asked questions
- What is ICD-10 code I51.3?
- I51.3 is the ICD-10-CM code for "Intracardiac thrombosis, not elsewhere classified". It falls under I00-I99 Diseases of the circulatory system.
- Is I51.3 a billable code?
- Yes — I51.3 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from I51.3?
- Excludes1 (not coded here): intracardiac thrombosis as current complication following acute myocardial infarction (I23.6).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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