| Code | Description |
| C16.1 | Malignant neoplasm of fundus of stomach |
| C16.2 | Malignant neoplasm of body of stomach |
| C16.5 | Malignant neoplasm of lesser curvature of stomach, unspecified |
| C16.6 | Malignant neoplasm of greater curvature of stomach, unspecified |
| C16.8 | Malignant neoplasm of overlapping sites of stomach |
| C16.9 | Malignant neoplasm of stomach, unspecified |
| C49.A2 | Gastrointestinal stromal tumor of stomach |
| C7A.092 | Malignant carcinoid tumor of the stomach |
| D00.2 | Carcinoma in situ of stomach |
| D13.1 | Benign neoplasm of stomach |
| D37.1 | Neoplasm of uncertain behavior of stomach |
| D3A.092 | Benign carcinoid tumor of the stomach |
| K31.0 | Acute dilatation of stomach |
| K31.2 | Hourglass stricture and stenosis of stomach |
| K31.6 | Fistula of stomach and duodenum |
| K31.7 | Polyp of stomach and duodenum |
| K31.811 | Angiodysplasia of stomach and duodenum with bleeding |
| K31.819 | Angiodysplasia of stomach and duodenum without bleeding |
| K31.82 | Dieulafoy lesion (hemorrhagic) of stomach and duodenum |
| K31.89 | Other diseases of stomach and duodenum |
| K31.9 | Disease of stomach and duodenum, unspecified |
| Q40.2 | Other specified congenital malformations of stomach |
| Q40.3 | Congenital malformation of stomach, unspecified |
| S36.30XA | Unspecified injury of stomach, initial encounter |
| S36.30XD | Unspecified injury of stomach, subsequent encounter |
| S36.30XS | Unspecified injury of stomach, sequela |
| S36.32XA | Contusion of stomach, initial encounter |
| S36.32XD | Contusion of stomach, subsequent encounter |
| S36.32XS | Contusion of stomach, sequela |
| S36.33XA | Laceration of stomach, initial encounter |
| S36.33XD | Laceration of stomach, subsequent encounter |
| S36.33XS | Laceration of stomach, sequela |
| S36.39XA | Other injury of stomach, initial encounter |
| S36.39XD | Other injury of stomach, subsequent encounter |
| S36.39XS | Other injury of stomach, sequela |
| T18.2XXA | Foreign body in stomach, initial encounter |
| T18.2XXD | Foreign body in stomach, subsequent encounter |
| T18.2XXS | Foreign body in stomach, sequela |
| Z12.0 | Encounter for screening for malignant neoplasm of stomach |
| Z85.020 | Personal history of malignant carcinoid tumor of stomach |
| Z85.028 | Personal history of other malignant neoplasm of stomach |
| Z90.3 | Acquired absence of stomach [part of] |