Aortic Regurgitation: ICD-10 Coding And Diagnosis

What is Aortic Regurgitation ICD-10?

Aortic regurgitation, also known as aortic insufficiency, is a heart condition in which the aortic valve does not close properly, causing blood to leak back into the left ventricle of the heart. This can lead to the heart having to work harder to pump blood, which can eventually lead to heart failure if left untreated.

Code Information

The ICD-10 code for aortic regurgitation is I35.0. This code is used to classify and code diagnoses related to aortic regurgitation in medical records and billing.

Diagnostic Related Groups (MS-DRG)

Aortic insufficiency Information  Mount Sinai - New York
Aortic insufficiency Information Mount Sinai – New York

Aortic regurgitation is typically classified under MS-DRG 306 – Cardiac Congenital and Valvular Disorders. This DRG is used to group patients with similar diagnoses and determine reimbursement rates for hospitals.

Convert to ICD-9 Code

If you need to convert the ICD-10 code for aortic regurgitation to ICD-9, the equivalent code is 424.1. This code is used to classify aortic valve disorders in the old ICD-9 coding system.

Code History

ICD--CM Diagnosis Code I
ICD–CM Diagnosis Code I

The ICD-10 code for aortic regurgitation, I35.0, was introduced in 2016 as part of the tenth revision of the International Classification of Diseases. This update aimed to provide more detailed and specific codes for various medical conditions.

Approximate Synonyms

Other terms that may be used interchangeably with aortic regurgitation include aortic insufficiency, aortic valve regurgitation, and aortic valve incompetence.

Clinical Information

Aortic regurgitation can be caused by a number of factors, including congenital heart defects, rheumatic fever, infections, and aortic valve abnormalities. Symptoms of aortic regurgitation can include chest pain, fatigue, shortness of breath, and palpitations.


The main cause of aortic regurgitation is damage to the aortic valve, which can be the result of a congenital defect, a bacterial infection, or rheumatic fever. Other causes may include high blood pressure, aortic root dilatation, and connective tissue disorders.


Common symptoms of aortic regurgitation include shortness of breath, chest pain, fatigue, palpitations, and dizziness. In severe cases, patients may also experience symptoms of heart failure, such as swelling in the legs and abdomen.


Aortic regurgitation is usually diagnosed through a combination of physical exams, imaging tests (such as echocardiograms), and cardiac catheterization. Blood tests may also be used to check for signs of infection or inflammation.


Treatment for aortic regurgitation depends on the severity of the condition and the underlying cause. Mild cases may not require treatment, while more severe cases may be managed with medications (such as diuretics or ACE inhibitors) or surgical procedures (such as valve repair or replacement).


Aortic regurgitation is a serious heart condition that can lead to complications if left untreated. It is important to seek medical attention if you experience symptoms of aortic regurgitation, as early diagnosis and treatment can help prevent further damage to the heart.


1. How common is aortic regurgitation?
2. Can aortic regurgitation be prevented?
3. What are the risk factors for developing aortic regurgitation?
4. Is aortic regurgitation a genetic condition?
5. What are the long-term complications of untreated aortic regurgitation?

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