Chapter 5

F01–F99: Mental, Behavioral and Neurodevelopmental Disorders

Mental, Behavioral and Neurodevelopmental Disorders diagnostic classification updated for 2026.

Chapter Instructions

Includes
  • disorders of psychological development
Excludes2(Not included here. Code separately if applicable.)
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Internal Codes
  • F01|

    Vascular dementia

  • F01.5|

    Vascular dementia, unspecified severity

  • F01.50|

    Vascular dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety

  • F01.51|

    Vascular dementia, unspecified severity, with behavioral disturbance

  • F01.511|

    Vascular dementia, unspecified severity, with agitation

  • F01.518|

    Vascular dementia, unspecified severity, with other behavioral disturbance

  • F01.52|

    Vascular dementia, unspecified severity, with psychotic disturbance

  • F01.53|

    Vascular dementia, unspecified severity, with mood disturbance

  • F01.54|

    Vascular dementia, unspecified severity, with anxiety

  • F01.A|

    Vascular dementia, mild

  • F01.A0|

    Vascular dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety

  • F01.A1|

    Vascular dementia, mild, with behavioral disturbance

  • F01.A11|

    Vascular dementia, mild, with agitation

  • F01.A18|

    Vascular dementia, mild, with other behavioral disturbance

  • F01.A2|

    Vascular dementia, mild, with psychotic disturbance

  • F01.A3|

    Vascular dementia, mild, with mood disturbance

  • F01.A4|

    Vascular dementia, mild, with anxiety

  • F01.B|

    Vascular dementia, moderate

  • F01.B0|

    Vascular dementia, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety

  • F01.B1|

    Vascular dementia, moderate, with behavioral disturbance

  • F01.B11|

    Vascular dementia, moderate, with agitation

  • F01.B18|

    Vascular dementia, moderate, with other behavioral disturbance

  • F01.B2|

    Vascular dementia, moderate, with psychotic disturbance

  • F01.B3|

    Vascular dementia, moderate, with mood disturbance

  • F01.B4|

    Vascular dementia, moderate, with anxiety

  • F01.C|

    Vascular dementia, severe

  • F01.C0|

    Vascular dementia, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety

  • F01.C1|

    Vascular dementia, severe, with behavioral disturbance

  • F01.C11|

    Vascular dementia, severe, with agitation

  • F01.C18|

    Vascular dementia, severe, with other behavioral disturbance

  • F01.C2|

    Vascular dementia, severe, with psychotic disturbance

  • F01.C3|

    Vascular dementia, severe, with mood disturbance

  • F01.C4|

    Vascular dementia, severe, with anxiety

  • F02|

    Dementia in other diseases classified elsewhere

  • F02.8|

    Dementia in other diseases classified elsewhere, unspecified severity

  • F02.80|

    Dementia in other diseases classified elsewhere, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety

  • F02.81|

    Dementia in other diseases classified elsewhere, unspecified severity, with behavioral disturbance

  • F02.811|

    Dementia in other diseases classified elsewhere, unspecified severity, with agitation

  • F02.818|

    Dementia in other diseases classified elsewhere, unspecified severity, with other behavioral disturbance

  • F02.82|

    Dementia in other diseases classified elsewhere, unspecified severity, with psychotic disturbance

  • F02.83|

    Dementia in other diseases classified elsewhere, unspecified severity, with mood disturbance

  • F02.84|

    Dementia in other diseases classified elsewhere, unspecified severity, with anxiety

  • F02.A|

    Dementia in other diseases classified elsewhere, mild

  • F02.A0|

    Dementia in other diseases classified elsewhere, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety

  • F02.A1|

    Dementia in other diseases classified elsewhere, mild, with behavioral disturbance

  • F02.A11|

    Dementia in other diseases classified elsewhere, mild, with agitation

  • F02.A18|

    Dementia in other diseases classified elsewhere, mild, with other behavioral disturbance

  • F02.A2|

    Dementia in other diseases classified elsewhere, mild, with psychotic disturbance

  • F02.A3|

    Dementia in other diseases classified elsewhere, mild, with mood disturbance

  • F02.A4|

    Dementia in other diseases classified elsewhere, mild, with anxiety

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