Specific code 2008 ICD-9-CM Diagnosis Code 441.9
Aortic aneurysm of unspecified site without rupture
  • Short description: AORTIC ANEURYSM NOS.
  • ICD-9-CM 441.9 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 441.9 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2008 version of ICD-9-CM 441.9.
  • More recent version(s) of ICD-9-CM 441.9: 2009 2010 2011 2012 2013 2014.
Disease Synonyms
  • Aneurysm of aorta
  • Aneurysm of descending aorta
  • Aneurysm, aorta
  • Aneurysm, descending aorta
  • Aortic aneurysm
Applies To
  • Aneurysm
  • Dilatation of aorta
  • Hyaline necrosis of aorta
Convert to ICD-10-CM: 441.9 converts approximately to:
  • 2014 ICD-10-CM I71.9 Aortic aneurysm of unspecified site, without rupture
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 441.9
  • Dilatation
    • aorta (focal) (general) (see also Aneurysm, aorta) 441.9
  • Disease, diseased - see also Syndrome
    • Fernels' (aortic aneurysm) 441.9
    • Hodgson's 441.9
  • Ectasia, ectasis
    • aorta (see also Aneurysm, aorta) 441.9
  • 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 Aneurysm, aorta) 441.9
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 2008 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.