- 520-529
Diseases Of Oral Cavity, Salivary Glands, And Jaws - 530-538
Diseases Of Esophagus, Stomach, And Duodenum - 540-543
Appendicitis - 550-553
Hernia Of Abdominal Cavity - 555-558
Noninfective Enteritis And Colitis - 560-569
Other Diseases Of Intestines And Peritoneum - 570-579
Other Diseases Of Digestive System