The chapter on Feeding and Eating Disorders in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) includes several changes to better represent the symptoms and behaviors of patients dealing with these conditions across the lifespan. Among the most substantial changes are recognition of binge eating disorder, revisions to the diagnostic criteria for anorexia nervosa and bulimia nervosa, and inclusion of pica, rumination and avoidant/restrictive food intake disorder. DSM-IV listed the latter three among Disorders Usually First Diagnosed in Infancy, Childhood, or Adolescence, a chapter that will not exist in DSM-5.
In recent years, clinicians and researchers have realized that a significant number of individuals with eating disorders did not fit into the DSM-IV categories of anorexia nervosa and bulimia nervosa. By default, many received a diagnosis of “eating disorder not otherwise specified.” Studies have suggested that a significant portion of individuals in that “not otherwise specified” category may actually have binge eating disorder.
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