Chapter 5: Mental, Behavioral and Neurodevelopmental disorders
F01-F99
Chapter 5 of the ICD-10-CM tabular list covers mental, behavioral and neurodevelopmental disorders, codes F01-F99. It holds 1,112 codes across 11 blocks, of which 871 are billable and 241 are header codes that cannot go on a claim.
Excludes2 — not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
Includes
Conditions this code covers.
- disorders of psychological development
Risk adjustment in Chapter 5
560 of this chapter’s codes map to a CMS-HCC, which means the diagnosis carries a risk-adjustment payment when it is documented and coded to the level the record supports.
- HCC 137 Drug Use Disorder, Moderate/Severe, or Drug Use with Non-Psychotic Complications
- HCC 135 Drug Use with Psychotic Complications
- HCC 153 Personality Disorders; Anorexia/Bulimia Nervosa
- HCC 154 Bipolar Disorders without Psychosis
- HCC 127 Dementia, Mild or Unspecified
- HCC 139 Alcohol Use Disorder, Moderate/Severe, or Alcohol Use with Specified Non-Psychotic Complications
Blocks in this chapter
- F01-F09Mental disorders due to known physiological conditions123 codes
- F10-F19Mental and behavioral disorders due to psychoactive substance use590 codes
- F20-F29Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders21 codes
- F30-F39Mood [affective] disorders76 codes
- F40-F48Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders92 codes
- F50-F59Behavioral syndromes associated with physiological disturbances and physical factors81 codes
- F60-F69Disorders of adult personality and behavior52 codes
- F70-F79Intellectual Disabilities9 codes
- F80-F89Pervasive and specific developmental disorders27 codes
- F90-F98Behavioral and emotional disorders with onset usually occurring in childhood and adolescence40 codes
- F99Unspecified mental disorder1 code