for bulimia nervosa (rather than at least 2 days a week for 6 months in DSM-IV).
Elimination Disorders
There have been no significant changes in this diagnostic class from DSM-IV to DSM-5.
The disorders in this chapter were previously  classified under disorders usually first di-
agnosed in infancy, childhood, or adolescenc e in DSM-IV and exist now as an independent
classification in DSM-5.