Functional digestive disorders of infants, toddlers or children

**Definition:** This group incorporates functional gastrointestinal disorders in infants and toddlers and disorders diagnosed more often in school-aged children and adolescents. These disorders include a variable combination of often age-dependent, chronic or recurrent symptoms not explained by structural or biochemical abnormalities.

**Exclusions:** - Bodily distress disorder - Hypochondriasis - Rumination-regurgitation - Rumination-regurgitation disorder