CAD ICD-10-CM Codes | 2023

Discover the crucial role of ICD-10 codes for CAD. Learn how these codes facilitate precise diagnoses, guide treatment, and aid research and billing.

By Liliana Braun on Feb 29, 2024.

Fact Checked by Nate Lacson.

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CAD ICD-10-CM Codes | 2023

What ICD-10 Codes are Used for CAD?

Coronary Artery Disease (CAD) is the narrowing or blockage of the coronary arteries, usually caused by atherosclerosis. Here are some commonly used ICD-10 codes for CAD:

  • I25.10: Atherosclerotic heart disease of native coronary artery without angina pectoris. This is a generic code for CAD when the disease's severity or vessel involvement is not specified.
  • I25.110: Atherosclerotic heart disease of the native coronary artery with unstable angina pectoris. This code indicates the presence of CAD with symptoms of unstable angina.
  • I25.111: Atherosclerotic heart disease of the native coronary artery with angina pectoris with documented spasm. This code represents CAD with angina that involves coronary artery spasms.
  • I25.118: Atherosclerotic heart disease of the native coronary artery with other forms of angina pectoris. This code is used for CAD associated with other forms of angina not categorized under stable or unstable angina.
  • I25.119: Atherosclerotic heart disease of the native coronary artery with unspecified angina pectoris. This code is used when CAD is accompanied by angina, but the type of angina is not specified.
  • I25.9: Chronic ischemic heart disease, unspecified. This code is used when chronic ischemic heart disease is diagnosed without further specification.
  • I25.2: Old myocardial infarction. This code is used when a patient has a documented history of a heart attack.
  • I25.5: Ischemic cardiomyopathy. This code is used when a heart muscle disease results from a lack of blood flow to the heart.
  • I25.6: Silent myocardial ischemia. This code is used for patients showing evidence of ischemia—a lack of oxygen-rich blood—without the usual chest pain symptoms.
  • I25.82: Chronic total occlusion of the coronary artery. This code is assigned for complete blockages that have been present for over three months.
  • I25.9: Chronic ischemic heart disease, unspecified. This is used when the specific type of ischemic heart disease isn't specified in the documentation.

For a detailed understanding of ICD codes, watch this explainer video. 

Which CAD ICD Codes are Billable?

  • I25.10: Yes
  • I25.110: Yes
  • I25.111: Yes
  • I25.118: Yes
  • I25.119: Yes
  • I25.9: Yes
  • I25.2: Yes
  • I25.5: Yes
  • I25.6: Yes
  • I25.82: Yes
  • I25.9: Yes

Clinical Information

  • CAD ICD-10 codes are instrumental in relaying exact diagnoses to healthcare professionals, which aids in designing patient-specific treatment plans. These precise diagnoses guide immediate care and help foresee potential complications, optimizing the overall patient management strategy.
  • These codes contribute significantly to maintaining comprehensive and accurate patient medical histories. Detailed knowledge of a patient's past and present health status is crucial when determining personalized care strategies and lifestyle modifications. This information allows healthcare providers to address patient-specific risk factors and preventative measures effectively.
  • In the realm of epidemiological research, CAD ICD-10 codes are invaluable. They enable researchers to analyze and understand different treatments' disease patterns, prevalence, and outcomes. This information can provide insights into the effectiveness of various therapeutic approaches and contribute to improved care standards for CAD patients.
  • Accurate coding of CAD diagnoses is critical in healthcare administration, particularly regarding insurance and billing. Proper use of these codes ensures that healthcare providers receive appropriate reimbursement for the services rendered. This accuracy is essential to maintaining the financial health of healthcare organizations and preventing disputes over insurance claims.

Synonyms Include:

  • Coronary Heart Disease
  • Ischemic Heart Disease
  • Coronary Microvascular Disease
  • Heart Artery Disease
  • Arteriosclerotic Cardiovascular Disease
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Commonly asked questions

When should I use a CAD ICD code?

A CAD ICD code should be used when a patient is diagnosed with Coronary Artery Disease. The specific code depends on the severity and nature of the disease.

Are CAD diagnoses billable?

Yes, CAD diagnoses are billable. Proper coding ensures accurate reimbursement.

What are the common treatments for CAD Diagnosis Codes?

Treatments depend on the specific diagnosis but may include lifestyle modifications, medications, and procedures such as angioplasty or coronary artery bypass grafting.

What does a diagnosis code for CAD mean?

A diagnosis code for CAD indicates a patient's specific type of coronary artery disease. It provides information on the disease's severity, associated conditions, and the presence of complications.

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