| ICD Code | Description |
|---|---|
| K00-K14 | Diseases of oral cavity and salivary glands |
| K20-K31 | Diseases of esophagus, stomach and duodenum |
| K35-K38 | Diseases of appendix |
| K40-K46 | Hernia |
| K50-K52 | Noninfective enteritis and colitis |
| K55-K64 | Other diseases of intestines |
| K65-K68 | Diseases of peritoneum and retroperitoneum |
| K70-K77 | Diseases of liver |
| K80-K87 | Disorders of gallbladder, biliary tract and pancreas |
| K90-K95 | Other diseases of the digestive system |