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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  • F80.81—

    Childhood onset fluency disorder

  • F80.82—

    Social pragmatic communication disorder

  • F80.89—

    Other developmental disorders of speech and language

  • F80.9—

    Developmental disorder of speech and language, unspecified

  • F81—

    Specific developmental disorders of scholastic skills

  • F81.0—

    Specific reading disorder

  • F81.2—

    Mathematics disorder

  • F81.8—

    Other developmental disorders of scholastic skills

  • F81.81—

    Disorder of written expression

  • F81.89—

    Other developmental disorders of scholastic skills

  • F81.9—

    Developmental disorder of scholastic skills, unspecified

  • F82—

    Specific developmental disorder of motor function

  • F84—

    Pervasive developmental disorders

  • F84.0—

    Autistic disorder

  • F84.2—

    Rett's syndrome

  • F84.3—

    Other childhood disintegrative disorder

  • F84.5—

    Asperger's syndrome

  • F84.8—

    Other pervasive developmental disorders

  • F84.9—

    Pervasive developmental disorder, unspecified

  • F88—

    Other disorders of psychological development

  • F89—

    Unspecified disorder of psychological development

  • F90—

    Attention-deficit hyperactivity disorders

  • F90.0—

    Attention-deficit hyperactivity disorder, predominantly inattentive type

  • F90.1—

    Attention-deficit hyperactivity disorder, predominantly hyperactive type

  • F90.2—

    Attention-deficit hyperactivity disorder, combined type

  • F90.8—

    Attention-deficit hyperactivity disorder, other type

  • F90.9—

    Attention-deficit hyperactivity disorder, unspecified type

  • F91—

    Conduct disorders

  • F91.0—

    Conduct disorder confined to family context

  • F91.1—

    Conduct disorder, childhood-onset type

  • F91.2—

    Conduct disorder, adolescent-onset type

  • F91.3—

    Oppositional defiant disorder

  • F91.8—

    Other conduct disorders

  • F91.9—

    Conduct disorder, unspecified

  • F93—

    Emotional disorders with onset specific to childhood

  • F93.0—

    Separation anxiety disorder of childhood

  • F93.8—

    Other childhood emotional disorders

  • F93.9—

    Childhood emotional disorder, unspecified

  • F94—

    Disorders of social functioning with onset specific to childhood and adolescence

  • F94.0—

    Selective mutism

  • F94.1—

    Reactive attachment disorder of childhood

  • F94.2—

    Disinhibited attachment disorder of childhood

  • F94.8—

    Other childhood disorders of social functioning

  • F94.9—

    Childhood disorder of social functioning, unspecified

  • F95—

    Tic disorder

  • F95.0—

    Transient tic disorder

  • F95.1—

    Chronic motor or vocal tic disorder

  • F95.2—

    Tourette's disorder

  • F95.8—

    Other tic disorders

  • F95.9—

    Tic disorder, unspecified

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