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)
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
All CodesBillable Only
Browse by Section11 Sections
Internal Codes
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  • 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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