Home > 2011 ICD-9-CM Diagnosis Codes > Diseases Of The Circulatory System 390-459 > Cerebrovascular Disease 430-438 > Occlusion and stenosis of precerebral arteries 433-
Specific code 2011 ICD-9-CM Diagnosis Code 433.21
Occlusion and stenosis of vertebral artery with cerebral infarction
  • Short description: Ocl vrtb art w infrct.
  • ICD-9-CM 433.21 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 433.21 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 2011 version of ICD-9-CM 433.21.
  • More recent version(s) of ICD-9-CM 433.21: 2012 2013 2014 2015.
Convert to ICD-10-CM: 433.21 converts approximately to:
  • 2015/16 ICD-10-CM I63.019 Cerebral infarction due to thrombosis of unspecified vertebral artery
    Or:
  • 2015/16 ICD-10-CM I63.119 Cerebral infarction due to embolism of unspecified vertebral artery
    Or:
  • 2015/16 ICD-10-CM I63.219 Cerebral infarction due to unspecified occlusion or stenosis of unspecified vertebral arteries
Approximate Synonyms
  • Cerebral infarction due to vertebral artery occlusion (disorder)
  • Cerebral infarction due to vertebral artery stenosis (disorder)
  • Cerebrovascular accident due to left vertebral artery embolism
  • Cerebrovascular accident due to left vertebral artery occlusion
  • Cerebrovascular accident due to left vertebral artery stenosis
  • Cerebrovascular accident due to left vertebral artery thrombosis
  • Cerebrovascular accident due to right vertebral artery embolism
  • Cerebrovascular accident due to right vertebral artery occlusion
  • Cerebrovascular accident due to right vertebral artery stenosis
  • Cerebrovascular accident due to right vertebral artery thrombosis
  • Left vertebral artery embolism w stroke
  • Left vertebral artery embolism with stroke
  • Left vertebral artery occlusion w stroke
  • Left vertebral artery stenosis w stroke
  • Left vertebral artery thrombosis w stroke
  • Occlusion of L vertebral artery, w infarction
  • Occlusion of left vertebral artery with infarction (disorder)
  • Occlusion of left vertebral artery, with infarction
  • Occlusion of R vertebral artery, w infarction
  • Occlusion of right vertebral artery with infarction (disorder)
  • Occlusion of right vertebral artery, with infarction
  • Occlusion of vertebral artery, w infarction
  • Occlusion of vertebral artery, with infarction
  • Right vertebral artery embolism w stroke
  • Right vertebral artery embolism with stroke
  • Right vertebral artery occlusion w stroke
  • Right vertebral artery stenosis w stroke
  • Right vertebral artery thrombosis w stroke
  • Stenosis of left vertebral artery with stroke
  • Stenosis of right vertebral artery with stroke
  • Stenosis of vertebral artery, w stroke
  • Stenosis of vertebral artery, with stroke
 433.20 ICD9Data.com 433.3 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 433.21 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 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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