ICD-10 Diagnosis Code I71.2

Thoracic aortic aneurysm, without rupture

Diagnosis Code I71.2

ICD-10: I71.2
Short Description: Thoracic aortic aneurysm, without rupture
Long Description: Thoracic aortic aneurysm, without rupture
This is the 2018 version of the ICD-10-CM diagnosis code I71.2

Valid for Submission
The code I71.2 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the circulatory system (I00–I99)
    • Diseases of arteries, arterioles and capillaries (I70-I79)
      • Aortic aneurysm and dissection (I71)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code I71.2 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
  • 441.2 - Thoracic aortic aneurysm

  • Aneurysm of aortic arch
  • Aneurysm of aortic root
  • Aneurysm of aortic sinus of Valsalva with protrusion into left ventricle
  • Aneurysm of aortic sinus of Valsalva with protrusion into pericardial cavity
  • Aneurysm of aortic sinus of Valsalva with protrusion into pulmonary artery
  • Aneurysm of aortic sinus of Valsalva with protrusion into right atrium
  • Aneurysm of aortic sinus of Valsalva with protrusion into right ventricle
  • Aneurysm of aortic sinus of Valsalva without rupture
  • Aneurysm of ascending aorta
  • Aneurysm of descending thoracic aorta
  • Aneurysm of thoracic aorta
  • Aortic sinus of Valsalva aneurysm from left coronary sinus
  • Aortic sinus of Valsalva aneurysm from right coronary sinus
  • Thoracic aortic aneurysm without rupture

Information for Patients

Aortic Aneurysm

An aneurysm is a bulge or "ballooning" in the wall of an artery. Arteries are blood vessels that carry oxygen-rich blood from the heart to other parts of the body. If an aneurysm grows large, it can burst and cause dangerous bleeding or even death.

Most aneurysms are in the aorta, the main artery that runs from the heart through the chest and abdomen.

There are two types of aortic aneurysm:

  • Thoracic aortic aneurysms (TAA) - these occur in the part of the aorta running through the chest
  • Abdominal aortic aneurysms (AAA) - these occur in the part of the aorta running through the abdomen

Most aneurysms are found during tests done for other reasons. Some people are at high risk for aneurysms. It is important for them to get screening, because aneurysms can develop and become large before causing any symptoms. Screening is recommended for people between the ages of 65 and 75 if they have a family history, or if they are men who have smoked. Doctors use imaging tests to find aneurysms. Medicines and surgery are the two main treatments.

NIH: National Heart, Lung, and Blood Institute

  • Abdominal aortic aneurysm (Medical Encyclopedia)
  • Abdominal aortic aneurysm repair - open (Medical Encyclopedia)
  • Abdominal aortic aneurysm repair - open - discharge (Medical Encyclopedia)
  • Aortic aneurysm repair - endovascular (Medical Encyclopedia)
  • Aortic aneurysm repair - endovascular- discharge (Medical Encyclopedia)
  • Aortic dissection (Medical Encyclopedia)
  • Thoracic aortic aneurysm (Medical Encyclopedia)


Familial thoracic aortic aneurysm and dissection Familial thoracic aortic aneurysm and dissection (familial TAAD) involves problems with the aorta, which is the large blood vessel that distributes blood from the heart to the rest of the body. Familial TAAD affects the upper part of the aorta, near the heart. This part of the aorta is called the thoracic aorta because it is located in the chest (thorax). Other vessels that carry blood from the heart to the rest of the body (arteries) can also be affected.In familial TAAD, the aorta can become weakened and stretched (aortic dilatation), which can lead to a bulge in the blood vessel wall (an aneurysm). Aortic dilatation may also lead to a sudden tearing of the layers in the aorta wall (aortic dissection), allowing blood to flow abnormally between the layers. These aortic abnormalities are potentially life-threatening because they can decrease blood flow to other parts of the body such as the brain or other vital organs, or cause the aorta to break open (rupture).The occurrence and timing of these aortic abnormalities vary, even within the same affected family. They can begin in childhood or not occur until late in life. Aortic dilatation is generally the first feature of familial TAAD to develop, although in some affected individuals dissection occurs with little or no aortic dilatation.Aortic aneurysms usually have no symptoms. However, depending on the size, growth rate, and location of these abnormalities, they can cause pain in the jaw, neck, chest, or back; swelling in the arms, neck, or head; difficult or painful swallowing; hoarseness; shortness of breath; wheezing; a chronic cough; or coughing up blood. Aortic dissections usually cause severe, sudden chest or back pain, and may also result in unusually pale skin (pallor), a very faint pulse, numbness or tingling (paresthesias) in one or more limbs, or paralysis.Familial TAAD may not be associated with other signs and symptoms. However, some individuals in affected families show mild features of related conditions called Marfan syndrome or Loeys-Dietz syndrome. These features include tall stature, stretch marks on the skin, an unusually large range of joint movement (joint hypermobility), and either a sunken or protruding chest. Occasionally, people with familial TAAD develop aneurysms in the brain or in the section of the aorta located in the abdomen (abdominal aorta). Some people with familial TAAD have heart abnormalities that are present from birth (congenital). Affected individuals may also have a soft out-pouching in the lower abdomen (inguinal hernia), an abnormal curvature of the spine (scoliosis), or a purplish skin discoloration (livedo reticularis) caused by abnormalities in the tiny blood vessels of the skin (dermal capillaries). However, these conditions are also common in the general population. Depending on the genetic cause of familial TAAD in particular families, they may have an increased risk of developing blockages in smaller arteries, which can lead to heart attack and stroke.
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