| 530.10 | ESOPHAGITIS UNSPECIFIED |
| 530.11 | REFLUX ESOPHAGITIS |
| 530.12 | ACUTE ESOPHAGITIS |
| 530.19 | OTHER ESOPHAGITIS |
| 530.2 | ULCER OF ESOPHAGUS |
| 530.3 | STRICTURE AND STENOSIS OF ESOPHAGUS |
| 530.4 | PERFORATION OF ESOPHAGUS |
| 530.5 | DYSKINESIA OF ESOPHAGUS |
| 530.6 | DIVERTICULUM OF ESOPHAGUS ACQUIRED |
| 530.7 | GASTROESOPHAGEAL LACERATION-HEMORRHAGE SYNDROME |
| 530.8 | OTHER SPECIFIED DISORDERS OF ESOPHAGUS |
| 530.81 | ESOPHAGEAL REFLUX |
| 530.82 | ESOPHAGEAL HEMORRHAGE |
| 530.83 | ESOPHAGEAL LEUKOPLAKIA |
| 530.84 | TRACHEOESOPHAGEAL FISTULA |
| 530.89 | OTHER DISEASES OF ESOPHAGUS |
| 530.9 | UNSPECIFIED DISORDER OF ESOPHAGUS |
| 531 | GASTRIC ULCER |
| 531.0 | ACUTE GASTRIC ULCER WITH HEMORRHAGE |
| 531.00 | ACUTE GASTRIC ULCER WITH HEMORRHAGE WITHOUT OBSTRUCTION |
| 531.01 | ACUTE GASTRIC ULCER WITH HEMORRHAGE WITH OBSTRUCTION |
| 531.1 | ACUTE GASTRIC ULCER WITH PERFORATION |
| 531.10 | ACUTE GASTRIC ULCER WITH PERFORATION WITHOUT OBSTRUCTION |
| 531.11 | ACUTE GASTRIC ULCER WITH PERFORATION WITH OBSTRUCTION |
| 531.2 | ACUTE GASTRIC ULCER WITH HEMORRHAGE AND PERFORATION |
| 531.20 | ACUTE GASTRIC ULCER WITH HEMORRHAGE AND PERFORATION WITHOUT OBSTRUCTION |
| 531.21 | ACUTE GASTRIC ULCER WITH HEMORRHAGE AND PERFORATION WITH OBSTRUCTION |
| 531.3 | ACUTE GASTRIC ULCER WITHOUT MENTION OF HEMORRHAGE OR PERFORATION |
| 531.30 | ACUTE GASTRIC ULCER WITHOUT HEMORRHAGE OR PERFORATION WITHOUT OBSTRUCTION |
| 531.31 | ACUTE GASTRIC ULCER WITHOUT HEMORRHAGE OR PERFORATION WITH OBSTRUCTION |
| 531.4 | CHRONIC OR UNSPECIFIED GASTRIC ULCER WITH HEMORRHAGE |
| 531.40 | CHRONIC OR UNSPECIFIED GASTRIC ULCER WITH HEMORRHAGE WITHOUT OBSTRUCTION |
| 531.41 | CHRONIC OR UNSPECIFIED GASTRIC ULCER WITH HEMORRHAGE WITH OBSTRUCTION |
| 531.5 | CHRONIC OR UNSPECIFIED GASTRIC ULCER WITH PERFORATION |
| 531.50 | CHRONIC OR UNSPECIFIED GASTRIC ULCER WITH PERFORATION WITHOUT OBSTRUCTION |
| 531.51 | CHRONIC OR UNSPECIFIED GASTRIC ULCER WITH PERFORATION WITH OBSTRUCTION |
| 531.6 | CHRONIC OR UNSPECIFIED GASTRIC ULCER WITH HEMORRHAGE AND PERFORATION |
| 531.60 | CHRONIC OR UNSPECIFIED GASTRIC ULCER WITH HEMORRHAGE AND PERFORATION WITHOUT OBSTRUCTION |
| 531.61 | CHRONIC OR UNSPECIFIED GASTRIC ULCER WITH HEMORRHAGE AND PERFORATION WITH OBSTRUCTION |
| 531.7 | CHRONIC GASTRIC ULCER WITHOUT MENTION OF HEMORRHAGE OR PERFORATION |
| 531.70 | CHRONIC GASTRIC ULCER WITHOUT HEMORRHAGE OR PERFORATION WITHOUT OBSTRUCTION |
| 531.71 | CHRONIC GASTRIC ULCER WITHOUT HEMORRHAGE OR PERFORATION WITH OBSTRUCTION |
| 531.9 | GASTRIC ULCER, UNSPECIFIED AS ACUTE OR CHRONIC, WITHOUT MENTION OF HEMORRHAGE OR PERFORATION |
| 531.90 | GASTRIC ULCER UNSPECIFIED AS ACUTE OR CHRONIC WITHOUT HEMORRHAGE OR PERFORATION WITHOUT OBSTRUCTION |
| 531.91 | GASTRIC ULCER UNSPECIFIED AS ACUTE OR CHRONIC WITHOUT HEMORRHAGE OR PERFORATION WITH OBSTRUCTION |
| 532 | DUODENAL ULCER |
| 532.0 | ACUTE DUODENAL ULCER WITH HEMORRHAGE |
| 532.00 | ACUTE DUODENAL ULCER WITH HEMORRHAGE WITHOUT OBSTRUCTION |
| 532.01 | ACUTE DUODENAL ULCER WITH HEMORRHAGE WITH OBSTRUCTION |
| 532.1 | ACUTE DUODENAL ULCER WITH PERFORATION |
| 532.10 | ACUTE DUODENAL ULCER WITH PERFORATION WITHOUT OBSTRUCTION |
| 532.11 | ACUTE DUODENAL ULCER WITH PERFORATION WITH OBSTRUCTION |
| 532.2 | ACUTE DUODENAL ULCER WITH HEMORRHAGE AND PERFORATION |
| 532.20 | ACUTE DUODENAL ULCER WITH HEMORRHAGE AND PERFORATION WITHOUT OBSTRUCTION |
| 532.21 | ACUTE DUODENAL ULCER WITH HEMORRHAGE AND PERFORATION WITH OBSTRUCTION |
| 532.3 | ACUTE DUODENAL ULCER WITHOUT MENTION OF HEMORRHAGE OR PERFORATION |
| 532.30 | ACUTE DUODENAL ULCER WITHOUT HEMORRHAGE OR PERFORATION WITHOUT OBSTRUCTION |
| 532.31 | ACUTE DUODENAL ULCER WITHOUT HEMORRHAGE OR PERFORATION WITH OBSTRUCTION |
| 532.4 | CHRONIC OR UNSPECIFIED DUODENAL ULCER WITH HEMORRHAGE |
| 532.40 | CHRONIC OR UNSPECIFIED DUODENAL ULCER WITH HEMORRHAGE WITHOUT OBSTRUCTION |
| 532.41 | CHRONIC OR UNSPECIFIED DUODENAL ULCER WITH HEMORRHAGE WITH OBSTRUCTION |
| 532.5 | CHRONIC OR UNSPECIFIED DUODENAL ULCER WITH PERFORATION |
| 532.50 | CHRONIC OR UNSPECIFIED DUODENAL ULCER WITH PERFORATION WITHOUT OBSTRUCTION |
| 532.51 | CHRONIC OR UNSPECIFIED DUODENAL ULCER WITH PERFORATION WITH OBSTRUCTION |
| 532.6 | CHRONIC OR UNSPECIFIED DUODENAL ULCER WITH HEMORRHAGE AND PERFORATION |
| 532.60 | CHRONIC OR UNSPECIFIED DUODENAL ULCER WITH HEMORRHAGE AND PERFORATION WITHOUT OBSTRUCTION |
| 532.61 | CHRONIC OR UNSPECIFIED DUODENAL ULCER WITH HEMORRHAGE AND PERFORATION WITH OBSTRUCTION |
| 532.7 | CHRONIC DUODENAL ULCER WITHOUT MENTION OF HEMORRHAGE OR PERFORATION |
| 532.70 | CHRONIC DUODENAL ULCER WITHOUT HEMORRHAGE OR PERFORATION WITHOUT OBSTRUCTION |
| 532.71 | CHRONIC DUODENAL ULCER WITHOUT HEMORRHAGE OR PERFORATION WITH OBSTRUCTION |
| 532.9 | DUODENAL ULCER, UNSPECIFIED AS ACUTE OR CHRONIC, WITHOUT MENTION OF HEMORRHAGE OR PERFORATION |
| 532.90 | DUODENAL ULCER UNSPECIFIED AS ACUTE OR CHRONIC WITHOUT HEMORRHAGE OR PERFORATION WITHOUT OBSTRUCTION |
| 532.91 | DUODENAL ULCER UNSPECIFIED AS ACUTE OR CHRONIC WITHOUT HEMORRHAGE OR PERFORATION WITH OBSTRUCTION |
| 533 | PEPTIC ULCER, SITE UNSPECIFIED |
| 533.0 | ACUTE PEPTIC ULCER OF UNSPECIFIED SITE WITH HEMORRHAGE |
| 533.00 | ACUTE PEPTIC ULCER OF UNSPECIFIED SITE WITH HEMORRHAGE WITHOUT OBSTRUCTION |
| 533.01 | ACUTE PEPTIC ULCER OF UNSPECIFIED SITE WITH HEMORRHAGE WITH OBSTRUCTION |
| 533.1 | ACUTE PEPTIC ULCER OF UNSPECIFIED SITE WITH PERFORATION |
| 533.10 | ACUTE PEPTIC ULCER OF UNSPECIFIED SITE WITH PERFORATION WITHOUT OBSTRUCTION |
| 533.11 | ACUTE PEPTIC ULCER OF UNSPECIFIED SITE WITH PERFORATION WITH OBSTRUCTION |
| 533.2 | ACUTE PEPTIC ULCER OF UNSPECIFIED SITE WITH HEMORRHAGE AND PERFORATION |
| 533.20 | ACUTE PEPTIC ULCER OF UNSPECIFIED SITE WITH HEMORRHAGE AND PERFORATION WITHOUT OBSTRUCTION |
| 533.21 | ACUTE PEPTIC ULCER OF UNSPECIFIED SITE WITH HEMORRHAGE AND PERFORATION WITH OBSTRUCTION |
| 533.3 | ACUTE PEPTIC ULCER OF UNSPECIFIED SITE WITHOUT MENTION OF HEMORRHAGE AND PERFORATION |
| 533.30 | ACUTE PEPTIC ULCER OF UNSPECIFIED SITE WITHOUT HEMORRHAGE AND PERFORATION WITHOUT OBSTRUCTION |
| 533.31 | ACUTE PEPTIC ULCER OF UNSPECIFIED SITE WITHOUT HEMORRHAGE AND PERFORATION WITH OBSTRUCTION |
| 533.4 | CHRONIC OR UNSPECIFIED PEPTIC ULCER OF UNSPECIFIED SITE WITH HEMORRHAGE |
| 533.40 | CHRONIC OR UNSPECIFIED PEPTIC ULCER OF UNSPECIFIED SITE WITH HEMORRHAGE WITHOUT OBSTRUCTION |
| 533.41 | CHRONIC OR UNSPECIFIED PEPTIC ULCER OF UNSPECIFIED SITE WITH HEMORRHAGE WITH OBSTRUCTION |
| 533.5 | CHRONIC OR UNSPECIFIED PEPTIC ULCER OF UNSPECIFIED SITE WITH PERFORATION |
| 533.50 | CHRONIC OR UNSPECIFIED PEPTIC ULCER OF UNSPECIFIED SITE WITH PERFORATION WITHOUT OBSTRUCTION |
| 533.51 | CHRONIC OR UNSPECIFIED PEPTIC ULCER OF UNSPECIFIED SITE WITH PERFORATION WITH OBSTRUCTION |
| 533.6 | CHRONIC OR UNSPECIFIED PEPTIC ULCER OF UNSPECIFIED SITE WITH HEMORRHAGE AND PERFORATION |
| 533.60 | CHRONIC OR UNSPECIFIED PEPTIC ULCER OF UNSPECIFIED SITE WITH HEMORRHAGE AND PERFORATION WITHOUT OBSTRUCTION |
| 533.61 | CHRONIC OR UNSPECIFIED PEPTIC ULCER OF UNSPECIFIED SITE WITH HEMORRHAGE AND PERFORATION WITH OBSTRUCTION |
| 533.7 | CHRONIC PEPTIC ULCER OF UNSPECIFIED SITE WITHOUT MENTION OF HEMORRHAGE OR PERFORATION |
| 533.70 | CHRONIC PEPTIC ULCER OF UNSPECIFIED SITE WITHOUT HEMORRHAGE OR PERFORATION WITHOUT OBSTRUCTION |
| 533.71 | CHRONIC PEPTIC ULCER OF UNSPECIFIED SITE WITHOUT HEMORRHAGE OR PERFORATION WITH OBSTRUCTION |
| 533.9 | PEPTIC ULCER OF UNSPECIFIED SITE, UNSPECIFIED AS ACUTE OR CHRONIC, WITHOUT MENTION OF HEMORRHAGE OR PERFORATION |
| 533.90 | PEPTIC ULCER OF UNSPECIFIED SITE UNSPECIFIED AS ACUTE OR CHRONIC WITHOUT HEMORRHAGE OR PERFORATION WITHOUT OBSTRUCTION |
| 533.91 | PEPTIC ULCER OF UNSPECIFIED SITE UNSPECIFIED AS ACUTE OR CHRONIC WITHOUT HEMORRHAGE OR PERFORATION WITH OBSTRUCTION |
| 534 | GASTROJEJUNAL ULCER |
| 534.0 | ACUTE GASTROJEJUNAL ULCER WITH HEMORRHAGE |
| 534.00 | ACUTE GASTROJEJUNAL ULCER WITH HEMORRHAGE WITHOUT OBSTRUCTION |
| 534.01 | ACUTE GASTROJEJUNAL ULCER WITH HEMORRHAGE WITH OBSTRUCTION |
| 534.1 | ACUTE GASTROJEJUNAL ULCER WITH PERFORATION |
| 534.10 | ACUTE GASTROJEJUNAL ULCER WITH PERFORATION WITHOUT OBSTRUCTION |
| 534.11 | ACUTE GASTROJEJUNAL ULCER WITH PERFORATION WITH OBSTRUCTION |
| 534.2 | ACUTE GASTROJEJUNAL ULCER WITH HEMORRHAGE AND PERFORATION |
| 534.20 | ACUTE GASTROJEJUNAL ULCER WITH HEMORRHAGE AND PERFORATION WITHOUT OBSTRUCTION |
| 534.21 | ACUTE GASTROJEJUNAL ULCER WITH HEMORRHAGE AND PERFORATION WITH OBSTRUCTION |
| 534.3 | ACUTE GASTROJEJUNAL ULCER WITHOUT MENTION OF HEMORRHAGE OR PERFORATION |
| 534.30 | ACUTE GASTROJEJUNAL ULCER WITHOUT HEMORRHAGE OR PERFORATION WITHOUT OBSTRUCTION |
| 534.31 | ACUTE GASTROJEJUNAL ULCER WITHOUT HEMORRHAGE OR PERFORATION WITH OBSTRUCTION |
| 534.4 | CHRONIC OR UNSPECIFIED GASTROJEJUNAL ULCER WITH HEMORRHAGE |
| 534.40 | CHRONIC OR UNSPECIFIED GASTROJEJUNAL ULCER WITH HEMORRHAGE WITHOUT OBSTRUCTION |
| 534.41 | CHRONIC OR UNSPECIFIED GASTROJEJUNAL ULCER WITH HEMORRHAGE WITH OBSTRUCTION |
| 534.5 | CHRONIC OR UNSPECIFIED GASTROJEJUNAL ULCER WITH PERFORATION |
| 534.50 | CHRONIC OR UNSPECIFIED GASTROJEJUNAL ULCER WITH PERFORATION WITHOUT OBSTRUCTION |
| 534.51 | CHRONIC OR UNSPECIFIED GASTROJEJUNAL ULCER WITH PERFORATION WITH OBSTRUCTION |
| 534.6 | CHRONIC OR UNSPECIFIED GASTROJEJUNAL ULCER WITH HEMORRHAGE AND PERFORATION |
| 534.60 | CHRONIC OR UNSPECIFIED GASTROJEJUNAL ULCER WITH HEMORRHAGE AND PERFORATION WITHOUT OBSTRUCTION |
| 534.61 | CHRONIC OR UNSPECIFIED GASTROJEJUNAL ULCER WITH HEMORRHAGE AND PERFORATION WITH OBSTRUCTION |
| 534.7 | CHRONIC GASTROJEJUNAL ULCER WITHOUT MENTION OF HEMORRHAGE OR PERFORATION |
| 534.70 | CHRONIC GASTROJEJUNAL ULCER WITHOUT HEMORRHAGE OR PERFORATION WITHOUT OBSTRUCTION |
| 534.71 | CHRONIC GASTROJEJUNAL ULCER WITHOUT HEMORRHAGE OR PERFORATION WITH OBSTRUCTION |
| 534.9 | GASTROJEJUNAL ULCER, UNSPECIFIED AS ACUTE OR CHRONIC, WITHOUT MENTION OF HEMORRHAGE OR PERFORATION |
| 534.90 | GASTROJEJUNAL ULCER UNSPECIFIED AS ACUTE OR CHRONIC WITHOUT HEMORRHAGE OR PERFORATION WITHOUT OBSTRUCTION |
| 534.91 | GASTROJEJUNAL ULCER UNSPECIFIED AS ACUTE OR CHRONIC WITHOUT HEMORRHAGE OR PERFORATION WITH OBSTRUCTION |
| 535 | GASTRITIS AND DUODENITIS |
| 535.0 | ACUTE GASTRITIS |
| 535.00 | ACUTE GASTRITIS (WITHOUT HEMORRHAGE) |
| 535.01 | ACUTE GASTRITIS WITH HEMORRHAGE |
| 535.1 | ATROPHIC GASTRITIS |
| 535.10 | ATROPHIC GASTRITIS (WITHOUT HEMORRHAGE) |
| 535.11 | ATROPHIC GASTRITIS WITH HEMORRHAGE |
| 535.2 | GASTRIC MUCOSAL HYPERTROPHY |
| 535.20 | GASTRIC MUCOSAL HYPERTROPHY (WITHOUT HEMORRHAGE) |
| 535.21 | GASTRIC MUCOSAL HYPERTROPHY WITH HEMORRHAGE |
| 535.3 | ALCOHOLIC GASTRITIS |
| 535.30 | ALCOHOLIC GASTRITIS (WITHOUT HEMORRHAGE) |
| 535.31 | ALCOHOLIC GASTRITIS WITH HEMORRHAGE |
| 535.4 | OTHER SPECIFIED GASTRITIS |
| 535.40 | OTHER SPECIFIED GASTRITIS (WITHOUT HEMORRHAGE) |
| 535.41 | OTHER SPECIFIED GASTRITIS WITH HEMORRHAGE |
| 535.5 | UNSPECIFIED GASTRITIS AND GASTRODUODENITIS |
| 535.50 | UNSPECIFIED GASTRITIS AND GASTRODUODENITIS (WITHOUT HEMORRHAGE) |
| 535.51 | UNSPECIFIED GASTRITIS AND GASTRODUODENITIS WITH HEMORRHAGE |
| 535.6 | DUODENITIS |
| 535.60 | DUODENITIS (WITHOUT HEMORRHAGE) |
| 535.61 | DUODENITIS WITH HEMORRHAGE |