1. G45 Transient cerebral ischemic attacks and related syndromes


    • neonatal cerebral ischemia (P91.0)
    • transient retinal artery occlusion (H34.0-)
    1. G45.0 Vertebro-basilar artery syndrome

    2. G45.1 Carotid artery syndrome (hemispheric)

    3. G45.2 Multiple and bilateral precerebral artery syndromes

    4. G45.3 Amaurosis fugax

    5. G45.4 Transient global amnesia

    6. G45.8 Other transient cerebral ischemic attacks and related syndromes

    7. G45.9 Transient cerebral ischemic attack, unspecified

      Inclusion term(s):

      • Spasm of cerebral artery
      • TIA
      • Transient cerebral ischemia NOS
Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.