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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  • F18.2—

    Inhalant dependence

  • F18.20—

    Inhalant dependence, uncomplicated

  • F18.21—

    Inhalant dependence, in remission

  • F18.22—

    Inhalant dependence with intoxication

  • F18.220—

    Inhalant dependence with intoxication, uncomplicated

  • F18.221—

    Inhalant dependence with intoxication delirium

  • F18.229—

    Inhalant dependence with intoxication, unspecified

  • F18.24—

    Inhalant dependence with inhalant-induced mood disorder

  • F18.25—

    Inhalant dependence with inhalant-induced psychotic disorder

  • F18.250—

    Inhalant dependence with inhalant-induced psychotic disorder with delusions

  • F18.251—

    Inhalant dependence with inhalant-induced psychotic disorder with hallucinations

  • F18.259—

    Inhalant dependence with inhalant-induced psychotic disorder, unspecified

  • F18.27—

    Inhalant dependence with inhalant-induced dementia

  • F18.28—

    Inhalant dependence with other inhalant-induced disorders

  • F18.280—

    Inhalant dependence with inhalant-induced anxiety disorder

  • F18.288—

    Inhalant dependence with other inhalant-induced disorder

  • F18.29—

    Inhalant dependence with unspecified inhalant-induced disorder

  • F18.9—

    Inhalant use, unspecified

  • F18.90—

    Inhalant use, unspecified, uncomplicated

  • F18.91—

    Inhalant use, unspecified, in remission

  • F18.92—

    Inhalant use, unspecified with intoxication

  • F18.920—

    Inhalant use, unspecified with intoxication, uncomplicated

  • F18.921—

    Inhalant use, unspecified with intoxication with delirium

  • F18.929—

    Inhalant use, unspecified with intoxication, unspecified

  • F18.94—

    Inhalant use, unspecified with inhalant-induced mood disorder

  • F18.95—

    Inhalant use, unspecified with inhalant-induced psychotic disorder

  • F18.950—

    Inhalant use, unspecified with inhalant-induced psychotic disorder with delusions

  • F18.951—

    Inhalant use, unspecified with inhalant-induced psychotic disorder with hallucinations

  • F18.959—

    Inhalant use, unspecified with inhalant-induced psychotic disorder, unspecified

  • F18.97—

    Inhalant use, unspecified with inhalant-induced persisting dementia

  • F18.98—

    Inhalant use, unspecified with other inhalant-induced disorders

  • F18.980—

    Inhalant use, unspecified with inhalant-induced anxiety disorder

  • F18.988—

    Inhalant use, unspecified with other inhalant-induced disorder

  • F18.99—

    Inhalant use, unspecified with unspecified inhalant-induced disorder

  • F19—

    Other psychoactive substance related disorders

  • F19.1—

    Other psychoactive substance abuse

  • F19.10—

    Other psychoactive substance abuse, uncomplicated

  • F19.11—

    Other psychoactive substance abuse, in remission

  • F19.12—

    Other psychoactive substance abuse with intoxication

  • F19.120—

    Other psychoactive substance abuse with intoxication, uncomplicated

  • F19.121—

    Other psychoactive substance abuse with intoxication delirium

  • F19.122—

    Other psychoactive substance abuse with intoxication with perceptual disturbances

  • F19.129—

    Other psychoactive substance abuse with intoxication, unspecified

  • F19.13—

    Other psychoactive substance abuse with withdrawal

  • F19.130—

    Other psychoactive substance abuse with withdrawal, uncomplicated

  • F19.131—

    Other psychoactive substance abuse with withdrawal delirium

  • F19.132—

    Other psychoactive substance abuse with withdrawal with perceptual disturbance

  • F19.139—

    Other psychoactive substance abuse with withdrawal, unspecified

  • F19.14—

    Other psychoactive substance abuse with psychoactive substance-induced mood disorder

  • F19.15—

    Other psychoactive substance abuse with psychoactive substance-induced psychotic disorder

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