| ICD-10 Code | Description |
| S36.400A | Unspecified injury of duodenum, initial encounter |
| S36.400D | Unspecified injury of duodenum, subsequent encounter |
| S36.400S | Unspecified injury of duodenum, sequela |
| S36.408A | Unspecified injury of other part of small intestine, initial encounter |
| S36.408D | Unspecified injury of other part of small intestine, subsequent encounter |
| S36.408S | Unspecified injury of other part of small intestine, sequela |
| S36.409A | Unspecified injury of unspecified part of small intestine, initial encounter |
| S36.409D | Unspecified injury of unspecified part of small intestine, subsequent encounter |
| S36.409S | Unspecified injury of unspecified part of small intestine, sequela |
| S36.410A | Primary blast injury of duodenum, initial encounter |
| S36.410D | Primary blast injury of duodenum, subsequent encounter |
| S36.410S | Primary blast injury of duodenum, sequela |
| S36.418A | Primary blast injury of other part of small intestine, initial encounter |
| S36.418D | Primary blast injury of other part of small intestine, subsequent encounter |
| S36.418S | Primary blast injury of other part of small intestine, sequela |
| S36.419A | Primary blast injury of unspecified part of small intestine, initial encounter |
| S36.419D | Primary blast injury of unspecified part of small intestine, subsequent encounter |
| S36.419S | Primary blast injury of unspecified part of small intestine, sequela |
| S36.420A | Contusion of duodenum, initial encounter |
| S36.420D | Contusion of duodenum, subsequent encounter |
| S36.420S | Contusion of duodenum, sequela |
| S36.428A | Contusion of other part of small intestine, initial encounter |
| S36.428D | Contusion of other part of small intestine, subsequent encounter |
| S36.428S | Contusion of other part of small intestine, sequela |
| S36.429A | Contusion of unspecified part of small intestine, initial encounter |
| S36.429D | Contusion of unspecified part of small intestine, subsequent encounter |
| S36.429S | Contusion of unspecified part of small intestine, sequela |
| S36.430A | Laceration of duodenum, initial encounter |
| S36.430D | Laceration of duodenum, subsequent encounter |
| S36.430S | Laceration of duodenum, sequela |
| S36.438A | Laceration of other part of small intestine, initial encounter |
| S36.438D | Laceration of other part of small intestine, subsequent encounter |
| S36.438S | Laceration of other part of small intestine, sequela |
| S36.439A | Laceration of unspecified part of small intestine, initial encounter |
| S36.439D | Laceration of unspecified part of small intestine, subsequent encounter |
| S36.439S | Laceration of unspecified part of small intestine, sequela |
| S36.490A | Other injury of duodenum, initial encounter |
| S36.490D | Other injury of duodenum, subsequent encounter |
| S36.490S | Other injury of duodenum, sequela |
| S36.498A | Other injury of other part of small intestine, initial encounter |
| S36.498D | Other injury of other part of small intestine, subsequent encounter |
| S36.498S | Other injury of other part of small intestine, sequela |
| S36.499A | Other injury of unspecified part of small intestine, initial encounter |
| S36.499D | Other injury of unspecified part of small intestine, subsequent encounter |
| S36.499S | Other injury of unspecified part of small intestine, sequela |
