| Code | Description |
| C18.7 | Malignant neoplasm of sigmoid colon |
| C7A.025 | Malignant carcinoid tumor of the sigmoid colon |
| D12.5 | Benign neoplasm of sigmoid colon |
| D3A.025 | Benign carcinoid tumor of the sigmoid colon |
| S36.503A | Unspecified injury of sigmoid colon, initial encounter |
| S36.503D | Unspecified injury of sigmoid colon, subsequent encounter |
| S36.503S | Unspecified injury of sigmoid colon, sequela |
| S36.513A | Primary blast injury of sigmoid colon, initial encounter |
| S36.513D | Primary blast injury of sigmoid colon, subsequent encounter |
| S36.513S | Primary blast injury of sigmoid colon, sequela |
| S36.523A | Contusion of sigmoid colon, initial encounter |
| S36.523D | Contusion of sigmoid colon, subsequent encounter |
| S36.523S | Contusion of sigmoid colon, sequela |
| S36.533A | Laceration of sigmoid colon, initial encounter |
| S36.533D | Laceration of sigmoid colon, subsequent encounter |
| S36.533S | Laceration of sigmoid colon, sequela |
| S36.593A | Other injury of sigmoid colon, initial encounter |
| S36.593D | Other injury of sigmoid colon, subsequent encounter |
| S36.593S | Other injury of sigmoid colon, sequela |