Upper level: b539 Functions related to the digestive system, other specified and unspecified
(Digestive function)
Functions of transporting food through the gastrointestinal tract, breakdown of food and absorption of nutrients.
Inclusions: functions of transport of food through the stomach, peristalsis; breakdown of food, enzyme production and action in stomach and intestines; absorption of nutrients and tolerance to food; impairments such as in hyperacidity of stomach, malabsorption, intolerance to food, hypermotility of intestines, intestinal paralysis, intestinal obstruction and decreased bile production
Exclusions: ingestion functions (b510); assimilation functions (b520); defecation functions (b525); sensations associated with the digestive system (b535)
Lower livel: