Infectious and parasitic diseases (A00-B99).
- Enteritis (intestinal infection) caused by other pathogens, unspecified.
Mouth, esophagus (food pipe), stomach, and intestine (K00-K67; K90-K93).
- Celiac disease (gluten-induced enteropathy) – chronic disease of the mucosa of the small intestine (small intestinal mucosa) due to hypersensitivity to the cereal protein gluten.