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Chapter 5

Mental, Behavioral and Neurodevelopmental disorders

F01–F99

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FY 2027 effective October 1, 2026 · 72 categories in this chapter

Blocks in This Chapter

ICD-10-CM groups this chapter's categories into 11 blocks of three-character categories.

  1. F01 –F09 Mental disorders due to known physiological conditions
  2. F10 –F19 Mental and behavioral disorders due to psychoactive substance use
  3. F20 –F29 Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders
  4. F30 –F39 Mood [affective] disorders
  5. F40 –F48 Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
  6. F50 –F59 Behavioral syndromes associated with physiological disturbances and physical factors
  7. F60 –F69 Disorders of adult personality and behavior
  8. F70 –F79 Intellectual Disabilities
  9. F80 –F89 Pervasive and specific developmental disorders
  10. F90 –F98 Behavioral and emotional disorders with onset usually occurring in childhood and adolescence
  11. F99 Unspecified mental disorder

Categories

Mental disorders due to known physiological conditions (F01-F09)

Mental and behavioral disorders due to psychoactive substance use (F10-F19)

Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29)

Mood [affective] disorders (F30-F39)

Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48)

Behavioral syndromes associated with physiological disturbances and physical factors (F50-F59)

Disorders of adult personality and behavior (F60-F69)

Intellectual Disabilities (F70-F79)

Pervasive and specific developmental disorders (F80-F89)

Behavioral and emotional disorders with onset usually occurring in childhood and adolescence (F90-F98)

Unspecified mental disorder (F99)