Mental and behavioural disorders (F01–F99)

Browse all the diagnosis codes used for mental and behavioural disorders (f01–f99). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.
  • Mental and behavioural disorders (F01–F99)

    Includes: disorders of psychological development
    Excludes2: symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

    • Mental disorders due to known physiological conditions (F01-F09)

      • Vascular dementia (F01)
      • Dementia in other diseases classified elsewhere (F02)
      • Unspecified dementia (F03)
      • Amnestic disorder due to known physiological condition (F04)
      • Delirium due to known physiological condition (F05)
      • Other mental disorders due to known physiological condition (F06)
      • Personality and behavioral disorders due to known physiological condition (F07)
      • Unspecified mental disorder due to known physiological condition (F09)
    • Mental and behavioral disorders due to psychoactive substance use (F10-F19)

      • Alcohol related disorders (F10)
      • Opioid related disorders (F11)
      • Cannabis related disorders (F12)
      • Sedative, hypnotic, or anxiolytic related disorders (F13)
      • Cocaine related disorders (F14)
      • Other stimulant related disorders (F15)
      • Hallucinogen related disorders (F16)
      • Nicotine dependence (F17)
      • Inhalant related disorders (F18)
      • Other psychoactive substance related disorders (F19)
    • Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29)

      • Schizophrenia (F20)
      • Schizotypal disorder (F21)
      • Delusional disorders (F22)
      • Brief psychotic disorder (F23)
      • Shared psychotic disorder (F24)
      • Schizoaffective disorders (F25)
      • Other psychotic disorder not due to a substance or known physiological condition (F28)
      • Unspecified psychosis not due to a substance or known physiological condition (F29)
    • Mood [affective] disorders (F30-F39)

      • Manic episode (F30)
      • Bipolar disorder (F31)
      • Depressive episode (F32)
      • Major depressive disorder, recurrent (F33)
      • Persistent mood [affective] disorders (F34)
      • Unspecified mood [affective] disorder (F39)
    • Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48)

      • Phobic anxiety disorders (F40)
      • Other anxiety disorders (F41)
      • Obsessive-compulsive disorder (F42)
      • Reaction to severe stress, and adjustment disorders (F43)
      • Dissociative and conversion disorders (F44)
      • Somatoform disorders (F45)
      • Other nonpsychotic mental disorders (F48)
    • Behavioral syndromes associated with physiological disturbances and physical factors (F50-F59)

      • Eating disorders (F50)
      • Sleep disorders not due to a substance or known physiological condition (F51)
      • Sexual dysfunction not due to a substance or known physiological condition (F52)
      • Mental and behavioral disorders associated with the puerperium, not elsewhere classified (F53)
      • Psychological and behavioral factors associated with disorders or diseases classified elsewhere (F54)
      • Abuse of non-psychoactive substances (F55)
      • Unspecified behavioral syndromes associated with physiological disturbances and physical factors (F59)
    • Disorders of adult personality and behavior (F60-F69)

      • Specific personality disorders (F60)
      • Impulse disorders (F63)
      • Gender identity disorders (F64)
      • Paraphilias (F65)
      • Other sexual disorders (F66)
      • Other disorders of adult personality and behavior (F68)
      • Unspecified disorder of adult personality and behavior (F69)
    • Intellectual disabilities (F70-F79)

      • Mild intellectual disabilities (F70)
      • Moderate intellectual disabilities (F71)
      • Severe intellectual disabilities (F72)
      • Profound intellectual disabilities (F73)
      • Other intellectual disabilities (F78)
      • Unspecified intellectual disabilities (F79)
    • Pervasive and specific developmental disorders (F80-F89)

      • Specific developmental disorders of speech and language (F80)
      • Specific developmental disorders of scholastic skills (F81)
      • Specific developmental disorder of motor function (F82)
      • Pervasive developmental disorders (F84)
      • Other disorders of psychological development (F88)
      • Unspecified disorder of psychological development (F89)
    • Behavioral and emotional disorders with onset usually occurring in childhood and adolescence (F90-F98)

      • Attention-deficit hyperactivity disorders (F90)
      • Conduct disorders (F91)
      • Emotional disorders with onset specific to childhood (F93)
      • Disorders of social functioning with onset specific to childhood and adolescence (F94)
      • Tic disorder (F95)
      • Other behavioral and emotional disorders with onset usually occurring in childhood and adolescence (F98)
    • Unspecified mental disorder (F99)

      • Mental disorder, not otherwise specified (F99)