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
  • F03.918

    Unspecified dementia, unspecified severity, with other behavioral disturbance

  • F03.92

    Unspecified dementia, unspecified severity, with psychotic disturbance

  • F03.93

    Unspecified dementia, unspecified severity, with mood disturbance

  • F03.94

    Unspecified dementia, unspecified severity, with anxiety

  • F03.A0

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

  • F03.A11

    Unspecified dementia, mild, with agitation

  • F03.A18

    Unspecified dementia, mild, with other behavioral disturbance

  • F03.A2

    Unspecified dementia, mild, with psychotic disturbance

  • F03.A3

    Unspecified dementia, mild, with mood disturbance

  • F03.A4

    Unspecified dementia, mild, with anxiety

  • F03.B0

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

  • F03.B11

    Unspecified dementia, moderate, with agitation

  • F03.B18

    Unspecified dementia, moderate, with other behavioral disturbance

  • F03.B2

    Unspecified dementia, moderate, with psychotic disturbance

  • F03.B3

    Unspecified dementia, moderate, with mood disturbance

  • F03.B4

    Unspecified dementia, moderate, with anxiety

  • F03.C0

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

  • F03.C11

    Unspecified dementia, severe, with agitation

  • F03.C18

    Unspecified dementia, severe, with other behavioral disturbance

  • F03.C2

    Unspecified dementia, severe, with psychotic disturbance

  • F03.C3

    Unspecified dementia, severe, with mood disturbance

  • F03.C4

    Unspecified dementia, severe, with anxiety

  • F04

    Amnestic disorder due to known physiological condition

  • F05

    Delirium due to known physiological condition

  • F06.0

    Psychotic disorder with hallucinations due to known physiological condition

  • F06.1

    Catatonic disorder due to known physiological condition

  • F06.2

    Psychotic disorder with delusions due to known physiological condition

  • F06.30

    Mood disorder due to known physiological condition, unspecified

  • F06.31

    Mood disorder due to known physiological condition with depressive features

  • F06.32

    Mood disorder due to known physiological condition with major depressive-like episode

  • F06.33

    Mood disorder due to known physiological condition with manic features

  • F06.34

    Mood disorder due to known physiological condition with mixed features

  • F06.4

    Anxiety disorder due to known physiological condition

  • F06.70

    Mild neurocognitive disorder due to known physiological condition without behavioral disturbance

  • F06.71

    Mild neurocognitive disorder due to known physiological condition with behavioral disturbance

  • F06.8

    Other specified mental disorders due to known physiological condition

  • F07.0

    Personality change due to known physiological condition

  • F07.81

    Postconcussional syndrome

  • F07.89

    Other personality and behavioral disorders due to known physiological condition

  • F07.9

    Unspecified personality and behavioral disorder due to known physiological condition

  • F09

    Unspecified mental disorder due to known physiological condition

  • F10.10

    Alcohol abuse, uncomplicated

  • F10.11

    Alcohol abuse, in remission

  • F10.120

    Alcohol abuse with intoxication, uncomplicated

  • F10.121

    Alcohol abuse with intoxication delirium

  • F10.129

    Alcohol abuse with intoxication, unspecified

  • F10.130

    Alcohol abuse with withdrawal, uncomplicated

  • F10.131

    Alcohol abuse with withdrawal delirium

  • F10.132

    Alcohol abuse with withdrawal with perceptual disturbance

  • F10.139

    Alcohol abuse with withdrawal, unspecified

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