time of diagnosis. Other spec ified somatic symptom disorder , other specified illness anx-
iety disorder, and pseudocyesis ar e now the only exemplars of the other specified somatic
symptom and related disorder classification.
Feeding and Eating Disorders
Because of the elimination of the DSM-IV-TR chapter “Disorders Us ually First Diagnosed
During Infancy, Childhood, or Adolescence,” th is chapter describes several disorders found in
the DSM-IV section “Feeding and Eating Disord ers of Infancy or Early Childhood,” such as
pica  and rumination disorder.  The DSM-IV category feeding disorder of infancy or early
childhood has been renamed avoidant/restrictive f ood intake disorder,  and the criteria are
significantly expanded. The core diagnostic criteria for anorexia nervosa  are conceptually un-
changed from DSM-IV with one exception: the requirement for amenorrhea is eliminated. As
in DSM-IV, individuals with this disorder are requ ired by Criterion A to be at a significantly
low body weight for their developmental stage.  The wording of the criterion is changed for
clarification, and guidan ce regarding how to judge whether an individual is at or below a sig-
nificantly low weight is provided in the text. In  DSM-5, Criterion B is expanded to include not
only overtly expressed fear of weight gain but also persistent behavior that interferes with
weight gain. The only change in the DSM-IV criteria for bulimia nervosa  is a reduction in the
required minimum average frequency of binge eating and inappropri ate compensatory be-
havior frequency from twice to once weekly. The extensive research that followed the prom-
ulgation of preliminary criteria for binge-eating disorder  in Appendix B of DSM-IV