The Instability of Eating Disorder Diagnoses

Eating disorders are rarely static. Symptoms fluctuate, waxing and waning as circumstances change. Often, these fluctuations lead to diagnostic crossover–between subtypes of one disorder or to a different eating disorder altogether. The heterogeneity of symptom severity and frequency led to the establishment of the “eating disorder not otherwise specified” diagnosis in the Diagnostic and Statistical Manual. Essentially, it is everything that doesn’t quite fit into the “anorexia nervosa” or “bulimia nervosa” categories. (For example, I would guess that it is a common diagnosis for patients who fail to meet the “amenorrhea” criterion for the AN diagnosis.)

ED-NOS is a category for everything that doesn’t conform to some rather arbitrary criteria required for bulimia nervosa and anorexia nervosa, meaning: it is the diagnosis for a lot of people. Okay, that’s not very scientific, I know, but I wouldn’t trust these numbers anyway–usually people who fall into this category don’t feel “sick … Continue reading →