Specific code 2011 ICD-9-CM Diagnosis Code 433.91
Occlusion and stenosis of unspecified precerebral artery with cerebral infarction
  • Short description: Ocl art NOS w infrct.
  • ICD-9-CM 433.91 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 433.91 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 433.91.
  • More recent version(s) of ICD-9-CM 433.91: 2012 2013 2014 2015.
Convert to ICD-10-CM: 433.91 converts approximately to:
  • 2015/16 ICD-10-CM I63.20 Cerebral infarction due to unspecified occlusion or stenosis of unspecified precerebral arteries
Approximate Synonyms
  • Cerebral infarction due to occlusion of precerebral artery (disorder)
  • Cerebral infarction due to stenosis of precerebral artery (disorder)
  • Cerebrovascular accident due to precerebral artery occlusion
  • Cerebrovascular accident due to precerebral artery stenosis
  • Cerebrovascular accident due to precerebral artery thrombosis
  • Occlusion of precerebral artery w infarction
  • Occlusion of precerebral artery with infarction
  • Precerebral artery occlusion w stroke
  • Precerebral artery stenosis w stroke
  • Precerebral artery thrombosis w stroke
  • Stenosis of precerebral artery, w stroke
  • Stenosis of precerebral artery, with stroke
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 433.91 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.