| MDC 6 Diseases & Disorders of the Digestive System |
| Peptic Ulcer |
| E164 | Increased secretion of gastrin |
| K2210 | Ulcer of esophagus without bleeding |
| K2211 | Ulcer of esophagus with bleeding |
| K2270 | Barrett's esophagus without dysplasia |
| K22710 | Barrett's esophagus with low grade dysplasia |
| K22711 | Barrett's esophagus with high grade dysplasia |
| K22719 | Barrett's esophagus with dysplasia, unspecified |
| K251 | Acute gastric ulcer with perforation |
| K255 | Chronic or unspecified gastric ulcer with perforation |
| K261 | Acute duodenal ulcer with perforation |
| K265 | Chronic or unspecified duodenal ulcer with perforation |
| K271 | Acute peptic ulcer, site unspecified, with perforation |
| K275 | Chronic or unspecified peptic ulcer, site unspecified, with perforation |
| K281 | Acute gastrojejunal ulcer with perforation |
| K283 | Acute gastrojejunal ulcer without hemorrhage or perforation |
| K285 | Chronic or unspecified gastrojejunal ulcer with perforation |
| K287 | Chronic gastrojejunal ulcer without hemorrhage or perforation |
| K289 | Gastrojejunal ulcer, unspecified as acute or chronic, without hemorrhage or perforation |
| K311 | Adult hypertrophic pyloric stenosis |
| K315 | Obstruction of duodenum |
| Q430 | Meckel's diverticulum (displaced) (hypertrophic) |
| K253 | Acute gastric ulcer without hemorrhage or perforation |
| K257 | Chronic gastric ulcer without hemorrhage or perforation |
| K259 | Gastric ulcer, unspecified as acute or chronic, without hemorrhage or perforation |
| K263 | Acute duodenal ulcer without hemorrhage or perforation |
| K267 | Chronic duodenal ulcer without hemorrhage or perforation |
| K269 | Duodenal ulcer, unspecified as acute or chronic, without hemorrhage or perforation |
| K273 | Acute peptic ulcer, site unspecified, without hemorrhage or perforation |
| K277 | Chronic peptic ulcer, site unspecified, without hemorrhage or perforation |
| K279 | Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation |