| ICD Code | Description |
|---|---|
| K55 | Vascular disorders of intestine |
| K56 | Paralytic ileus and intestinal obstruction without hernia |
| K57 | Diverticular disease of intestine |
| K58 | Irritable bowel syndrome |
| K59 | Other functional intestinal disorders |
| K60 | Fissure and fistula of anal and rectal regions |
| K61 | Abscess of anal and rectal regions |
| K62 | Other diseases of anus and rectum |
| K63 | Other diseases of intestine |
| K64 | Hemorrhoids and perianal venous thrombosis |