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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  • F11.11—

    Opioid abuse, in remission

  • F11.12—

    Opioid abuse with intoxication

  • F11.120—

    Opioid abuse with intoxication, uncomplicated

  • F11.121—

    Opioid abuse with intoxication delirium

  • F11.122—

    Opioid abuse with intoxication with perceptual disturbance

  • F11.129—

    Opioid abuse with intoxication, unspecified

  • F11.13—

    Opioid abuse with withdrawal

  • F11.14—

    Opioid abuse with opioid-induced mood disorder

  • F11.15—

    Opioid abuse with opioid-induced psychotic disorder

  • F11.150—

    Opioid abuse with opioid-induced psychotic disorder with delusions

  • F11.151—

    Opioid abuse with opioid-induced psychotic disorder with hallucinations

  • F11.159—

    Opioid abuse with opioid-induced psychotic disorder, unspecified

  • F11.18—

    Opioid abuse with other opioid-induced disorder

  • F11.181—

    Opioid abuse with opioid-induced sexual dysfunction

  • F11.182—

    Opioid abuse with opioid-induced sleep disorder

  • F11.188—

    Opioid abuse with other opioid-induced disorder

  • F11.19—

    Opioid abuse with unspecified opioid-induced disorder

  • F11.2—

    Opioid dependence

  • F11.20—

    Opioid dependence, uncomplicated

  • F11.21—

    Opioid dependence, in remission

  • F11.22—

    Opioid dependence with intoxication

  • F11.220—

    Opioid dependence with intoxication, uncomplicated

  • F11.221—

    Opioid dependence with intoxication delirium

  • F11.222—

    Opioid dependence with intoxication with perceptual disturbance

  • F11.229—

    Opioid dependence with intoxication, unspecified

  • F11.23—

    Opioid dependence with withdrawal

  • F11.24—

    Opioid dependence with opioid-induced mood disorder

  • F11.25—

    Opioid dependence with opioid-induced psychotic disorder

  • F11.250—

    Opioid dependence with opioid-induced psychotic disorder with delusions

  • F11.251—

    Opioid dependence with opioid-induced psychotic disorder with hallucinations

  • F11.259—

    Opioid dependence with opioid-induced psychotic disorder, unspecified

  • F11.28—

    Opioid dependence with other opioid-induced disorder

  • F11.281—

    Opioid dependence with opioid-induced sexual dysfunction

  • F11.282—

    Opioid dependence with opioid-induced sleep disorder

  • F11.288—

    Opioid dependence with other opioid-induced disorder

  • F11.29—

    Opioid dependence with unspecified opioid-induced disorder

  • F11.9—

    Opioid use, unspecified

  • F11.90—

    Opioid use, unspecified, uncomplicated

  • F11.91—

    Opioid use, unspecified, in remission

  • F11.92—

    Opioid use, unspecified with intoxication

  • F11.920—

    Opioid use, unspecified with intoxication, uncomplicated

  • F11.921—

    Opioid use, unspecified with intoxication delirium

  • F11.922—

    Opioid use, unspecified with intoxication with perceptual disturbance

  • F11.929—

    Opioid use, unspecified with intoxication, unspecified

  • F11.93—

    Opioid use, unspecified with withdrawal

  • F11.94—

    Opioid use, unspecified with opioid-induced mood disorder

  • F11.95—

    Opioid use, unspecified with opioid-induced psychotic disorder

  • F11.950—

    Opioid use, unspecified with opioid-induced psychotic disorder with delusions

  • F11.951—

    Opioid use, unspecified with opioid-induced psychotic disorder with hallucinations

  • F11.959—

    Opioid use, unspecified with opioid-induced psychotic disorder, unspecified

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