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Diagnosis Code

I71.9 AORTIC ANEURYSM OF UNSPECIFIED SITE, WITHOUT RUPTURE


Code Information

Diagnosis Code: I71.9

Short Description: Aortic aneurysm of unspecified site, without rupture

Long Description: Aortic aneurysm of unspecified site, without rupture

The code I71.9 is VALID for claim submission

Code Classification:

  • Diseases of the circulatory system (I00–I99)
    • Diseases of arteries, arterioles and capillaries (I70-I79)
      • Aortic aneurysm and dissection (I71)
        • I71.9 Aortic aneurysm of unspecified site, without rupture

Code Version: 2022 ICD-10-CM


Synonyms

  • Aneurysm of aorta at coarctation site following procedure
  • Aneurysm of descending aorta
  • Aortic aneurysm
  • Aortic aneurysm due to congenital heart disease
  • Aortic aneurysm due to Loeys-Dietz syndrome
  • Aortic left ventricular tunnel
  • Aortic tunnel
  • Aortico-left ventricular tunnel with extracardiac aneurysm of aortic wall
  • Congenital aneurysm of aorta
  • Congenital dilatation of aorta
  • False aneurysm of artery
  • Hyaline necrosis of aorta
  • Necrosis of artery
  • Penetrating ulcer of aorta
  • Pericarditis secondary to aortic aneurysm
  • Post-procedural aortic aneurysm
  • Post-procedural false aortic aneurysm
  • Ulcer of artery

Diagnostic Related Group(s)

The code I71.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Peripheral Vascular Disorders With Mcc (299)
  • Peripheral Vascular Disorders With Cc (300)
  • Peripheral Vascular Disorders Without Cc/mcc (301)

References to Index of Diseases and Injuries

The code I71.9 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Aneurysm of aorta
    • Dilatation of aorta
    • Hyaline necrosis of aorta

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
I71.9 Right Arrow 441.9 Aortic aneurysm NOS

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
I71 Aortic aneurysm and dissection
I71.0 Dissection of aorta
I71.00 Dissection of unspecified site of aorta
I71.01 Dissection of thoracic aorta
I71.010 Dissection of ascending aorta
I71.011 Dissection of aortic arch
I71.012 Dissection of descending thoracic aorta
I71.019 Dissection of thoracic aorta, unspecified
I71.02 Dissection of abdominal aorta
I71.03 Dissection of thoracoabdominal aorta
I71.1 Thoracic aortic aneurysm, ruptured
I71.10 Thoracic aortic aneurysm, ruptured, unspecified
I71.11 Aneurysm of the ascending aorta, ruptured
I71.12 Aneurysm of the aortic arch, ruptured
I71.13 Aneurysm of the descending thoracic aorta, ruptured
I71.2 Thoracic aortic aneurysm, without rupture
I71.20 Thoracic aortic aneurysm, without rupture, unspecified
I71.21 Aneurysm of the ascending aorta, without rupture
I71.22 Aneurysm of the aortic arch, without rupture
I71.23 Aneurysm of the descending thoracic aorta, without rupture
I71.3 Abdominal aortic aneurysm, ruptured
I71.30 Abdominal aortic aneurysm, ruptured, unspecified
I71.31 Pararenal abdominal aortic aneurysm, ruptured
I71.32 Juxtarenal abdominal aortic aneurysm, ruptured
I71.33 Infrarenal abdominal aortic aneurysm, ruptured
I71.4 Abdominal aortic aneurysm, without rupture
I71.40 Abdominal aortic aneurysm, without rupture, unspecified
I71.41 Pararenal abdominal aortic aneurysm, without rupture
I71.42 Juxtarenal abdominal aortic aneurysm, without rupture
I71.43 Infrarenal abdominal aortic aneurysm, without rupture
I71.5 Thoracoabdominal aortic aneurysm, ruptured
I71.50 Thoracoabdominal aortic aneurysm, ruptured, unspecified
I71.51 Supraceliac aneurysm of the thoracoabdominal aorta, ruptured
I71.52 Paravisceral aneurysm of the thoracoabdominal aorta, ruptured
I71.6 Thoracoabdominal aortic aneurysm, without rupture
I71.60 Thoracoabdominal aortic aneurysm, without rupture, unspecified
I71.61 Supraceliac aneurysm of the thoracoabdominal aorta, without rupture
I71.62 Paravisceral aneurysm of the thoracoabdominal aorta, without rupture
I71.8 Aortic aneurysm of unspecified site, ruptured

This page was last updated on: 10/1/2023

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