Home > 2012 ICD-9-CM Diagnosis Codes > Diseases Of The Circulatory System 390-459 > Diseases Of Arteries, Arterioles, And Capillaries 440-449 > Aortic aneurysm and dissection 441-
Specific code 2012 ICD-9-CM Diagnosis Code 441.9
Aortic aneurysm of unspecified site without mention of rupture
  • Short description: Aortic aneurysm NOS.
  • ICD-9-CM 441.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 441.9 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2012 version of ICD-9-CM 441.9.
  • More recent version(s) of ICD-9-CM 441.9: 2013 2014 2015.
Convert to ICD-10-CM: 441.9 converts approximately to:
  • 2015/16 ICD-10-CM I71.9 Aortic aneurysm of unspecified site, without rupture
Approximate Synonyms
  • Aneurysm of aorta
  • Aneurysm of descending aorta
  • Aneurysm, aorta
  • Aneurysm, descending aorta
  • Aortic aneurysm
  • Descending aorta aneurysm
  • Descending aortic aneurysm
Applies To
  • Aneurysm
  • Dilatation of aorta
  • Hyaline necrosis of aorta
ICD-9-CM Volume 2 Index entries containing back-references to 441.9:
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (ruptured) (saccular) (varicose) 442.9
  • Aortectasia (see also Ectasia, aortic) 447.70
    • with aneurysm 441.9
  • Dilatation
    • aorta (focal) (general) (see also Ectasia, aortic) 447.70
  • Disease, diseased - see also Syndrome
    • Fernels' (aortic aneurysm) 441.9
    • Hodgson's 441.9
  • Ectasia, ectasis
    • aorta (see also Ectasia, aortic) 447.70
      • with aneurysm 441.9
      • ruptured 441.5
  • Fernell's disease (aortic aneurysm) 441.9
  • Hodgson's disease (aneurysmal dilatation of aorta) 441.9
  • Necrosis, necrotic
  • Sacculation
    • aorta (nonsyphilitic) (see also Aneurysm, aorta) 441.9
  • Widening aorta (see also Ectasia, aortic) 447.70
    • with aneurysm 441.9
 441.7 ICD9Data.com 442 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 441.9 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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