- 560 Intestinal obstruction without mention of hernia
- 562 Diverticula of intestine
- 564 Functional digestive disorders not elsewhere classified
- 565 Anal fissure and fistula
- 566 Abscess of anal and rectal regions
- 567 Peritonitis and retroperitoneal infections
- 568 Other disorders of peritoneum
- 569 Other disorders of intestine