K26 | Duodenal ulcer |
| Acute duodenal ulcer with hemorrhage |
| Acute duodenal ulcer with perforation |
| Acute duodenal ulcer with both hemorrhage and perforation |
| Acute duodenal ulcer without hemorrhage or perforation |
| Chronic or unspecified duodenal ulcer with hemorrhage |
| Chronic or unspecified duodenal ulcer with perforation |
| Chronic or unspecified duodenal ulcer with both hemorrhage and perforation |
| Chronic duodenal ulcer without hemorrhage or perforation |
| Duodenal ulcer, unspecified as acute or chronic, without hemorrhage or perforation |