Dilated Ascending Aorta: Decoding ICD-10

Ascending Aorta Dilated ICD 10

Ascending aorta dilated, also known as dilation of the ascending aorta, is a medical condition where the ascending part of the aorta becomes enlarged or widened. This condition can be identified using the ICD-10 code I71.01.

Code Information

The ICD-10 code I71.01 is used to classify cases of ascending aorta dilation. It is important to assign the correct code for accurate documentation and billing purposes.

Diagnostic Related Groups (MS-DRG)

Ascending Aorta and Aortic Arch Repair at Emory Aortic Center
Ascending Aorta and Aortic Arch Repair at Emory Aortic Center

Patients with ascending aorta dilation may be classified under different MS-DRGs depending on the severity of the condition and any associated complications. Proper documentation is essential for accurate DRG assignment.

Convert to ICD-9 Code

Prior to the implementation of ICD-10, ascending aorta dilation was classified using the ICD-9 code 441.1. It is important to convert older ICD-9 codes to the current ICD-10 coding system for accurate reporting.

Code History

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

The ICD-10 code I71.01 for ascending aorta dilation was introduced in 2015 as part of the latest revision of the International Classification of Diseases. It replaced the older ICD-9 code 441.1.

Approximate Synonyms

Other terms that may be used interchangeably with ascending aorta dilation include aortic root dilation, aortic aneurysm, and aortic dissection. These terms may be used in clinical documentation to describe the condition.

Clinical Information

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

Ascending aorta dilation is often asymptomatic and may be incidentally discovered during imaging studies for other conditions. However, in some cases, it can lead to serious complications such as aortic dissection or rupture.


There are several factors that can contribute to the development of ascending aorta dilation, including genetic predisposition, connective tissue disorders, hypertension, and atherosclerosis. Understanding the underlying cause is important for appropriate management.


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

Patients with ascending aorta dilation may experience chest pain, shortness of breath, palpitations, and fatigue. However, many individuals may remain asymptomatic until a complication occurs.


Diagnosis of ascending aorta dilation is typically made through imaging studies such as echocardiography, CT scan, or MRI. Additional tests may be performed to assess the extent of the dilation and evaluate for any associated complications.


The management of ascending aorta dilation depends on the size of the dilation, the presence of symptoms, and any associated risk factors. Treatment may include medication to control blood pressure, surgical repair, or periodic monitoring to detect any progression of the dilation.


Ascending aorta dilation is a serious medical condition that requires careful evaluation and management. Proper diagnosis, monitoring, and treatment are essential to prevent complications and improve outcomes for affected individuals.


1. Can ascending aorta dilation be reversed?

2. What are the risk factors for developing ascending aorta dilation?

3. Is ascending aorta dilation a life-threatening condition?

4. How is ascending aorta dilation detected?

5. What are the treatment options for ascending aorta dilation?

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