Understanding ICD-10 Codes For Dilated Ascending Aorta: A Comprehensive Guide

What is Dilated Ascending Aorta?

Dilated ascending aorta is a medical condition characterized by the enlargement or widening of the upper part of the aorta, which is the largest artery in the body. This condition can be caused by a variety of factors, including genetic predisposition, high blood pressure, and connective tissue disorders.

Code Information

The ICD-10 code for dilated ascending aorta is I71.01. This code is used to classify and record diagnoses related to this specific condition in medical records and billing systems.

Diagnostic Related Groups (MS-DRG)

Ascending Aortic Aneurysm  Learn the Heart
Ascending Aortic Aneurysm Learn the Heart

When it comes to MS-DRG, the code for dilated ascending aorta falls under DRG 308 – Cardiac Arrhythmia and Conduction Disorders with CC/MCC. This indicates that the condition is associated with certain cardiac complications that may require additional medical care.

Convert to ICD-9 Code

If you need to convert the ICD-10 code for dilated ascending aorta to ICD-9, the corresponding code would be 441.01. It’s important to use the correct coding system for accurate documentation and billing purposes.

Code History

Ascending Aortic Aneurysm: Repair, Surgery, and Size Criteria
Ascending Aortic Aneurysm: Repair, Surgery, and Size Criteria

The ICD-10 code I71.01 for dilated ascending aorta was first introduced in 2016 as part of the update to the International Classification of Diseases coding system. This code replaced the previous ICD-9 code for the same condition.

Approximate Synonyms

Some approximate synonyms for dilated ascending aorta include aortic dilatation, aortic aneurysm, and aortic root dilation. These terms may be used interchangeably in medical literature and discussions about the condition.

Clinical Information

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

Dilated ascending aorta can lead to serious complications, such as aortic dissection or rupture, which can be life-threatening if not treated promptly. Patients with this condition may also experience symptoms like chest pain, shortness of breath, and palpitations.


The main causes of dilated ascending aorta include genetic factors, high blood pressure, and connective tissue disorders like Marfan syndrome or Ehlers-Danlos syndrome. Other risk factors may include smoking, aging, and a family history of aortic disease.


Common symptoms of dilated ascending aorta may include chest pain, especially in the chest or upper back, shortness of breath, difficulty swallowing, hoarseness, and a persistent cough. Some patients may also experience palpitations or a pounding heart.


Diagnosing dilated ascending aorta typically involves a physical examination, imaging tests like echocardiography or CT scans, and possibly genetic testing. A doctor may also order blood tests to check for any underlying conditions that may be contributing to the aortic dilation.


Treatment for dilated ascending aorta depends on the severity of the condition and the presence of any complications. Options may include medications to lower blood pressure, surgery to repair or replace the dilated aorta, or regular monitoring to watch for any changes in size or shape.


In conclusion, dilated ascending aorta is a serious condition that can lead to potentially life-threatening complications if left untreated. It’s important for patients with this condition to work closely with their healthcare providers to monitor their aortic health and manage any risk factors that may contribute to the dilation.


1. Can dilated ascending aorta be prevented?
2. What are the risk factors for developing dilated ascending aorta?
3. How is dilated ascending aorta treated?
4. Are there any lifestyle changes that can help manage dilated ascending aorta?
5. What is the prognosis for patients with dilated ascending aorta?

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