| C18 | Malignant neoplasm of colon |
| C18.9 | Malignant neoplasm of colon, unspecified |
| D12 | Benign neoplasm of colon, rectum, anus and anal canal |
| D12.0 | Benign neoplasm of cecum |
| D12.2 | Benign neoplasm of ascending colon |
| D12.3 | Benign neoplasm of transverse colon |
| D12.4 | Benign neoplasm of descending colon |
| D12.5 | Benign neoplasm of sigmoid colon |
| D12.6 | Benign neoplasm of colon, unspecified |
| Z12.11 | Encounter for screening for malignant neoplasm of colon |
| Z83.71 | Family history of colonic polyps |
| Z86.010 | Personal history of colonic polyps |