| Note |
| Codes within categories F90-F98 may be used regardless of the age of a patient. These disorders generally have onset within the childhood or adolescent years, but may continue throughout life or not be diagnosed until adulthood |
| F90 |
| Attention-deficit hyperactivity disorders |
| F91 |
| Conduct disorders |
| F93 |
| Emotional disorders with onset specific to childhood |
| F94 |
| Disorders of social functioning with onset specific to childhood and adolescence |
| F95 |
| Tic disorder |
| F98 |
| Other behavioral and emotional disorders with onset usually occurring in childhood and adolescence |