Table 1

ICD-11 comparison of anorexia nervosa (AN) and bulimia nervosa (BN) essential criteria3

  • Low body weight demonstrated by BMI <18.5 kg/m2 or rapid weight loss >20% of total body weight (providing other criteria are met)

  • Persistent pattern of restrictive eating and/or weight reducing behaviours

  • Overvalued or inaccurately perceived low body weight

  • Recurrent episodes of binge eating (≥1/week over at least a month

  • Repeated inappropriate compensatory behaviours (ie, vomiting, laxatives, exercise) to prevent weight gain (≥1/week over at least a month)

  • Distress associated with the above alongside impact on daily life

  • Excessive preoccupation with weight

  • Symptoms do not meet AN definition requirements

  • BMI, body mass index; ICD-11, International Classification of Diseases 11th revision.