Symptoms or signs involving eating and related behaviour

Description

Symptoms and signs related to disturbances in the regulation or form of eating behaviour that are not developmentally appropriate or culturally sanctioned, including avoidant or restrictive eating, binge eating, decreased appetite, eating of non-nutritive substances, increased appetite, purging behaviour, and rumination-regurgitation. [1]

Subcategories

• MB29.0 Avoidant or restrictive eating

  Acceptance of only a limited diet, which may be defined in terms of a specific dietary composition or sensory features of food, that is inconsistent with cultural or subcultural norms. [1]

• MB29.1 Binge eating

  An episode in which an individual eats notably more than usual and feels that she or he is unable to stop or limit the amount or type of food eaten. [1]

• MB29.2 Eating of non-nutritive substances

  Consumption of non-food objects and materials (e.g., clay, soil, chalk, plaster, plastic, metal and paper) or raw food ingredients (e.g., large quantities of salt or corn flour). [1]

• MB29.3 Purging behaviour

  Behaviour aimed at the removal of ingested food from the body with the specific intention to lose weight or prevent weight gain (e.g., self-induced vomiting, laxative abuse, or the use of enemas). [1]

• MB29.4 Rumination-regurgitation

  Rechewing of previously swallowed food that has been brought back to the mouth through regurgitation, which may then be reswallowed or spat out. [1]

References

1. World Health Organization. International Classification of Diseases, 11th Revision, for Mortality and Morbidity Statistics (ICD-11 MMS), 2026-01 release. World Health Organization; 2026.

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