ICD-10-CM · Chapter 2 · C00-D49
C17 Malignant neoplasm of small intestine
Excludes 1 (cannot be coded together)
- malignant carcinoid tumors of the small intestine (C7A.01)
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| C17..0 | Malignant neoplasm of duodenum | Yes |
| C17..1 | Malignant neoplasm of jejunum | Yes |
| C17..2 | Malignant neoplasm of ileum | Yes |
| C17..3 | Meckel's diverticulum, malignant | Yes |
| C17..8 | Malignant neoplasm of overlapping sites of small intestine | Yes |
| C17..9 | Malignant neoplasm of small intestine, unspecified | Yes |
Last reviewed: September 2026