• 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