Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction I65- >

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as I65. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • insufficiency, NOS, of precerebral artery (
    ICD-10-CM Diagnosis Code G45
    • G45 Transient cerebral ischemic attacks and relat...
      • G45.0 Vertebro-basilar artery syndrome
      • G45.1 Carotid artery syndrome (hemispheric)
      • G45.2 Multiple and bilateral precerebral artery syn...
      • G45.3 Amaurosis fugax
      • G45.4 Transient global amnesia
      • G45.8 Other transient cerebral ischemic attacks and...
      • G45.9 Transient cerebral ischemic attack, unspecifi...
    G45.-
    )
  • insufficiency of precerebral arteries causing cerebral infarction (
    ICD-10-CM Diagnosis Code I63.0

    Cerebral infarction due to thrombosis of precerebral arteries

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    I63.0-
    ICD-10-CM Diagnosis Code I63.2

    Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    I63.2
    )
Includes
Includes Help
"Includes" further defines, or give examples of, the content of the code or category.
  • embolism of precerebral artery
  • narrowing of precerebral artery
  • obstruction (complete) (partial) of precerebral artery
  • thrombosis of precerebral artery
Codes
  • I65 Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
    • I65.0 Occlusion and stenosis of vertebral artery
      • I65.01 Occlusion and stenosis of right vertebral artery
      • I65.02 Occlusion and stenosis of left vertebral artery
      • I65.03 Occlusion and stenosis of bilateral vertebral arteries
      • I65.09 Occlusion and stenosis of unspecified vertebral artery
    • I65.1 Occlusion and stenosis of basilar artery
    • I65.2 Occlusion and stenosis of carotid artery
      • I65.21 Occlusion and stenosis of right carotid artery
      • I65.22 Occlusion and stenosis of left carotid artery
      • I65.23 Occlusion and stenosis of bilateral carotid arteries
      • I65.29 Occlusion and stenosis of unspecified carotid artery
    • I65.8 Occlusion and stenosis of other precerebral arteries
    • I65.9 Occlusion and stenosis of unspecified precerebral artery