Chapter 5: Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

ICD-10-CM 2027 chapter 5 contains 11 code blocks with 872 billable codes.

Code blocks

BlockTitleBillable
F01-F09Mental disorders due to known physiological conditions91
F10-F19Mental and behavioral disorders due to psychoactive substance use458
F20-F29Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders18
F30-F39Mood [affective] disorders62
F40-F48Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders71
F50-F59Behavioral syndromes associated with physiological disturbances and physical factors66
F60-F69Disorders of adult personality and behavior43
F70-F79Intellectual Disabilities7
F80-F89Pervasive and specific developmental disorders22
F90-F98Behavioral and emotional disorders with onset usually occurring in childhood and adolescence33
F99Unspecified mental disorder (F99)1

Chapter notes

Includes:
  • disorders of psychological development
Excludes2 (not included here):
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)