Specific code 2013 ICD-9-CM Diagnosis Code 437.3
Cerebral aneurysm, nonruptured
  • Short description: Nonrupt cerebral aneurym.
  • ICD-9-CM 437.3 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 437.3 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2013 version of ICD-9-CM 437.3.
  • More recent version(s) of ICD-9-CM 437.3: 2014.
Disease Synonyms
  • Acquired caroticocavernous sinus fistula (disorder)
  • Aneurysm of internal carotid artery
  • Aneurysm of intracranial portion of internal carotid artery
  • Aneurysm of superficial temporal artery
  • Aneurysm, internal carotid artery
  • Aneurysm, internal carotid artery, intracranial portion
  • Aneurysm, superficial temporal artery
  • Carotid cavernous fistula, acquired
  • Carotid cavernous fistula, spontaneous
  • Intracranial aneurysm
  • Nonruptured cerebral aneurysm
  • Spontaneous caroticocavernous sinus fistula (disorder)
437.3 Excludes
  • congenital cerebral aneurysm, nonruptured (747.81)
  • internal carotid artery, extracranial portion (442.81)
Applies To
  • Internal carotid artery, intracranial portion
  • Internal carotid artery NOS
Convert to ICD-10-CM: 437.3 converts approximately to:
  • 2014 ICD-10-CM I67.1 Cerebral aneurysm, nonruptured
ICD-9-CM Volume 2 Index entries containing back-references to 437.3:
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (ruptured) (saccular) (varicose) 442.9
    • arteriosclerotic NEC 442.9
      • cerebral 437.3
        • ruptured (see also Hemorrhage, subarachnoid) 430
    • arteriovenous (congenital) (peripheral) NEC (see also Anomaly, arteriovenous) 747.60
      • acquired NEC 447.0
        • brain 437.3
          • ruptured (see also Hemorrhage, subarachnoid) 430
        • coronary 414.11
        • pulmonary 417.0
      • brain (cerebral) 747.81
        • ruptured (see also Hemorrhage, subarachnoid) 430
      • coronary 746.85
      • pulmonary 747.32
      • retina 743.58
      • specified site NEC 747.89
      • traumatic (see also Injury, blood vessel, by site) 904.9
    • berry (congenital) (ruptured) (see also Hemorrhage, subarachnoid) 430
      • nonruptured 437.3
    • brain 437.3
      • arteriosclerotic 437.3
        • ruptured (see also Hemorrhage, subarachnoid) 430
      • arteriovenous 747.81
        • acquired 437.3
          • ruptured (see also Hemorrhage, subarachnoid) 430
        • ruptured (see also Hemorrhage, subarachnoid) 430
      • berry (congenital) (ruptured) (see also Hemorrhage, subarachnoid) 430
        • nonruptured 437.3
      • congenital 747.81
        • ruptured (see also Hemorrhage, subarachnoid) 430
      • meninges 437.3
        • ruptured (see also Hemorrhage, subarachnoid) 430
      • miliary (congenital) (ruptured) (see also Hemorrhage, subarachnoid) 430
      • mycotic 421.0
        • ruptured (see also Hemorrhage, subarachnoid) 430
      • nonruptured 437.3
      • ruptured (see also Hemorrhage, subarachnoid) 430
      • syphilitic (hemorrhage) 094.87
      • traumatic - see Injury, intracranial
    • carotid artery (common) (external) 442.81
      • internal (intracranial portion) 437.3
        • extracranial portion 442.81
        • ruptured into brain (see also Hemorrhage, subarachnoid) 430
      • syphilitic 093.89
    • cavernous sinus (see also Aneurysm, brain) 437.3
      • arteriovenous 747.81
        • ruptured (see also Hemorrhage, subarachnoid) 430
      • congenital 747.81
        • ruptured (see also Hemorrhage, subarachnoid) 430
    • circle of Willis (see also Aneurysm, brain) 437.3
      • congenital 747.81
        • ruptured (see also Hemorrhage, subarachnoid) 430
      • ruptured (see also Hemorrhage, subarachnoid) 430
  • Fistula (sinus) 686.9
    • arteriovenous (acquired) 447.0
      • brain 437.3
        • congenital 747.81
          • ruptured (see also Hemorrhage, subarachnoid) 430
        • ruptured (see also Hemorrhage, subarachnoid) 430
      • cerebral 437.3
      • congenital (peripheral) 747.60
      • coronary 414.19
      • heart 414.19
      • pulmonary (vessels) 417.0
      • surgically created (for dialysis) V45.11
      • traumatic - see Injury, blood vessel, by site
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 437.3 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 2013 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.