| Relevance | Code | Description |
|---|---|---|
| C17 | Malignant neoplasm of small intestine | |
| C17.2 | Malignant neoplasm of ileum | |
| C17.0 | Malignant neoplasm of duodenum | |
| C17.1 | Malignant neoplasm of jejunum | |
| C17.8 | Malignant neoplasm of overlapping sites of small intestine | |
| C17.9 | Malignant neoplasm of small intestine, unspecified | |
| C17.3 | Meckel's diverticulum, malignant | |