ATYPICAL EATING DISORDER By N., Sam M.S. - 20 in the DSM-lll, this represented a category of eating disorders. In the DSM-IV-TR these are labeled eating disorder not otherwise specified. ATYPICAL EATING DISORDER: "An atypical eating disorder is one in which the symptoms present do not fit with the diagnostic guidelines, and must be given a not otherwise specified label." Related Psychology Terms Dissociative Identity Disorder Diagnosis and Treatment Planning Selecting a Diagnosis CLINICAL PSYCHOLOGY CHILD PSYCHIATRY Developing a Case Study DIAGNOSTIC TESTS IN EDUCATION ATYPICAL IMPULSE-CONTROL DISORDER ATYPICAL TIC DISORDER ATYPICAL DISSOCIATIVE DISORDER Cite this page: N., Sam M.S., "ATYPICAL EATING DISORDER," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/atypical-eating-disorder/ (accessed January 28, 2023).