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
  • F19.150

    Other psychoactive substance abuse with psychoactive substance-induced psychotic disorder with delusions

  • F19.151

    Other psychoactive substance abuse with psychoactive substance-induced psychotic disorder with hallucinations

  • F19.159

    Other psychoactive substance abuse with psychoactive substance-induced psychotic disorder, unspecified

  • F19.16

    Other psychoactive substance abuse with psychoactive substance-induced persisting amnestic disorder

  • F19.17

    Other psychoactive substance abuse with psychoactive substance-induced persisting dementia

  • F19.18

    Other psychoactive substance abuse with other psychoactive substance-induced disorders

  • F19.180

    Other psychoactive substance abuse with psychoactive substance-induced anxiety disorder

  • F19.181

    Other psychoactive substance abuse with psychoactive substance-induced sexual dysfunction

  • F19.182

    Other psychoactive substance abuse with psychoactive substance-induced sleep disorder

  • F19.188

    Other psychoactive substance abuse with other psychoactive substance-induced disorder

  • F19.19

    Other psychoactive substance abuse with unspecified psychoactive substance-induced disorder

  • F19.2

    Other psychoactive substance dependence

  • F19.20

    Other psychoactive substance dependence, uncomplicated

  • F19.21

    Other psychoactive substance dependence, in remission

  • F19.22

    Other psychoactive substance dependence with intoxication

  • F19.220

    Other psychoactive substance dependence with intoxication, uncomplicated

  • F19.221

    Other psychoactive substance dependence with intoxication delirium

  • F19.222

    Other psychoactive substance dependence with intoxication with perceptual disturbance

  • F19.229

    Other psychoactive substance dependence with intoxication, unspecified

  • F19.23

    Other psychoactive substance dependence with withdrawal

  • F19.230

    Other psychoactive substance dependence with withdrawal, uncomplicated

  • F19.231

    Other psychoactive substance dependence with withdrawal delirium

  • F19.232

    Other psychoactive substance dependence with withdrawal with perceptual disturbance

  • F19.239

    Other psychoactive substance dependence with withdrawal, unspecified

  • F19.24

    Other psychoactive substance dependence with psychoactive substance-induced mood disorder

  • F19.25

    Other psychoactive substance dependence with psychoactive substance-induced psychotic disorder

  • F19.250

    Other psychoactive substance dependence with psychoactive substance-induced psychotic disorder with delusions

  • F19.251

    Other psychoactive substance dependence with psychoactive substance-induced psychotic disorder with hallucinations

  • F19.259

    Other psychoactive substance dependence with psychoactive substance-induced psychotic disorder, unspecified

  • F19.26

    Other psychoactive substance dependence with psychoactive substance-induced persisting amnestic disorder

  • F19.27

    Other psychoactive substance dependence with psychoactive substance-induced persisting dementia

  • F19.28

    Other psychoactive substance dependence with other psychoactive substance-induced disorders

  • F19.280

    Other psychoactive substance dependence with psychoactive substance-induced anxiety disorder

  • F19.281

    Other psychoactive substance dependence with psychoactive substance-induced sexual dysfunction

  • F19.282

    Other psychoactive substance dependence with psychoactive substance-induced sleep disorder

  • F19.288

    Other psychoactive substance dependence with other psychoactive substance-induced disorder

  • F19.29

    Other psychoactive substance dependence with unspecified psychoactive substance-induced disorder

  • F19.9

    Other psychoactive substance use, unspecified

  • F19.90

    Other psychoactive substance use, unspecified, uncomplicated

  • F19.91

    Other psychoactive substance use, unspecified, in remission

  • F19.92

    Other psychoactive substance use, unspecified with intoxication

  • F19.920

    Other psychoactive substance use, unspecified with intoxication, uncomplicated

  • F19.921

    Other psychoactive substance use, unspecified with intoxication with delirium

  • F19.922

    Other psychoactive substance use, unspecified with intoxication with perceptual disturbance

  • F19.929

    Other psychoactive substance use, unspecified with intoxication, unspecified

  • F19.93

    Other psychoactive substance use, unspecified with withdrawal

  • F19.930

    Other psychoactive substance use, unspecified with withdrawal, uncomplicated

  • F19.931

    Other psychoactive substance use, unspecified with withdrawal delirium

  • F19.932

    Other psychoactive substance use, unspecified with withdrawal with perceptual disturbance

  • F19.939

    Other psychoactive substance use, unspecified with withdrawal, unspecified

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