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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  • F93.9—

    Childhood emotional disorder, unspecified

  • 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

  • F95.0—

    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

  • F98.0—

    Enuresis not due to a substance or known physiological condition

  • F98.1—

    Encopresis not due to a substance or known physiological condition

  • F98.21—

    Rumination disorder of infancy and childhood

  • F98.29—

    Other feeding disorders of infancy and early childhood

  • F98.3—

    Pica of infancy and childhood

  • F98.4—

    Stereotyped movement disorders

  • F98.5—

    Adult onset fluency disorder

  • F98.8—

    Other specified behavioral and emotional disorders with onset usually occurring in childhood and adolescence

  • F98.9—

    Unspecified behavioral and emotional disorders with onset usually occurring in childhood and adolescence

  • F99—

    Mental disorder, not otherwise specified

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