<P> Rather than providing specific diagnostic criteria for EDNOS, the fourth revision of the Diagnostic and Statistical Manual of Mental Disorders (DSM - IV) listed six non-exhaustive example presentations, including individuals who: </P> <Ol> <Li> Meet all criteria for anorexia nervosa except their weight falls within the normal range </Li> <Li> Meet all criteria for bulimia nervosa except they engage in binge eating or purging behaviors less than twice per week or for fewer than three months </Li> <Li> Purge after eating small amounts of food while retaining a normal body weight </Li> <Li> Repeatedly chew and spit out large amounts of food without swallowing </Li> <Li> Do not meet criteria for binge eating disorder </Li> </Ol> <Li> Meet all criteria for anorexia nervosa except their weight falls within the normal range </Li> <Li> Meet all criteria for bulimia nervosa except they engage in binge eating or purging behaviors less than twice per week or for fewer than three months </Li>

What is ednos and what do the letters stand for