A. Restriction of energy intake relative to requirements leading to a significantly low body weight in the context of age, sex, developmental trajectory, and physical health. | |
B. Intense fear of gaining weight or becoming fat, or persistent behaviors affecting weight loss even though underweight. | |
C. Disturbance in the way in which one’s body weight or shape is experienced, undue influence of body weight or shape on self-evaluation, or denial of the seriousness of the current low body weight. | |
Atypical anorexia nervosa (AAN) – criteria B and C are met (fear of gaining weight or becoming fat, disturbance in the way in which one’s body weight or shape is experienced) and there is a significant weight loss, but the individual’s present weight is within or above the normal range for age and sex. |