This block comprises a range of mental disorders grouped together on the basis of their having in common a demonstrable etiology in cerebral disease, brain injury, or other insult leading to cerebral dysfunction. The dysfunction may be primary, as in diseases, injuries, and insults that affect the brain directly and selectively; or secondary, as in systemic diseases and disorders that attack the brain only as one of the multiple organs or systems of the body that are involved.

  1. F01 Vascular dementia

    Inclusion term(s):

    • Vascular dementia as a result of infarction of the brain due to vascular disease, including hypertensive cerebrovascular disease.


    • arteriosclerotic dementia
    1. F01.5 Vascular dementia

      1. F01.50 Vascular dementia without behavioral disturbance

        Inclusion term(s):

        • Major neurocognitive disorder without behavioral disturbance
      2. F01.51 Vascular dementia with behavioral disturbance

        Inclusion term(s):

        • Major neurocognitive disorder due to vascular disease, with behavioral disturbance
        • Major neurocognitive disorder with aggressive behavior
        • Major neurocognitive disorder with combative behavior
        • Major neurocognitive disorder with violent behavior
        • Vascular dementia with aggressive behavior
        • Vascular dementia with combative behavior
        • Vascular dementia with violent behavior
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.