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

disorders of psychological development

symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

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

• breath-holding spells (R06.89)
• gender identity disorder of childhood (F64.2)
• Kleine-Levin syndrome (G47.13)
• obsessive-compulsive disorder (F42.-)
• sleep disorders not due to a substance or known physiological condition (F51.-)