ICD-10-CM > F01-F99 > F50-F59 > F50 > F50.0 > F50.02 > F50.023 F50.023 Anorexia nervosa, binge eating/purging type, extreme Billable/Specific Copy Code Copy Description Applicable To Anorexia nervosa, binge eating/purging type, with a body mass index of less than 15.0 kg/m2