All ICD10 Codes
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)
All CodesBillable Only
Internal Codes
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  • F51.13—

    Hypersomnia due to other mental disorder

  • F51.19—

    Other hypersomnia not due to a substance or known physiological condition

  • F51.3—

    Sleepwalking [somnambulism]

  • F51.4—

    Sleep terrors [night terrors]

  • F51.5—

    Nightmare disorder

  • F51.8—

    Other sleep disorders not due to a substance or known physiological condition

  • F51.9—

    Sleep disorder not due to a substance or known physiological condition, unspecified

  • F52—

    Sexual dysfunction not due to a substance or known physiological condition

  • F52.0—

    Hypoactive sexual desire disorder

  • F52.1—

    Sexual aversion disorder

  • F52.2—

    Sexual arousal disorders

  • F52.21—

    Male erectile disorder

  • F52.22—

    Female sexual arousal disorder

  • F52.3—

    Orgasmic disorder

  • F52.31—

    Female orgasmic disorder

  • F52.32—

    Male orgasmic disorder

  • F52.4—

    Premature ejaculation

  • F52.5—

    Vaginismus not due to a substance or known physiological condition

  • F52.6—

    Dyspareunia not due to a substance or known physiological condition

  • F52.8—

    Other sexual dysfunction not due to a substance or known physiological condition

  • F52.9—

    Unspecified sexual dysfunction not due to a substance or known physiological condition

  • F53—

    Mental and behavioral disorders associated with the puerperium, not elsewhere classified

  • F53.0—

    Postpartum depression

  • F53.1—

    Puerperal psychosis

  • F54—

    Psychological and behavioral factors associated with disorders or diseases classified elsewhere

  • F55—

    Abuse of non-psychoactive substances

  • F55.0—

    Abuse of antacids

  • F55.1—

    Abuse of herbal or folk remedies

  • F55.2—

    Abuse of laxatives

  • F55.3—

    Abuse of steroids or hormones

  • F55.4—

    Abuse of vitamins

  • F55.8—

    Abuse of other non-psychoactive substances

  • F59—

    Unspecified behavioral syndromes associated with physiological disturbances and physical factors

  • F60—

    Specific personality disorders

  • F60.0—

    Paranoid personality disorder

  • F60.1—

    Schizoid personality disorder

  • F60.2—

    Antisocial personality disorder

  • F60.3—

    Borderline personality disorder

  • F60.4—

    Histrionic personality disorder

  • F60.5—

    Obsessive-compulsive personality disorder

  • F60.6—

    Avoidant personality disorder

  • F60.7—

    Dependent personality disorder

  • F60.8—

    Other specific personality disorders

  • F60.81—

    Narcissistic personality disorder

  • F60.89—

    Other specific personality disorders

  • F60.9—

    Personality disorder, unspecified

  • F63—

    Impulse disorders

  • F63.0—

    Pathological gambling

  • F63.1—

    Pyromania

  • F63.2—

    Kleptomania

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