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Last verified: May 11, 2026
K21.0Gastro-esophageal reflux disease with esophagitisK21.9Gastro-esophageal reflux disease without esophagitisK26.0Acute duodenal ulcer with hemorrhageK26.9Duodenal ulcer, unspecified as acute or chronic, without hemorrhage or perforationB96.81Helicobacter pylori [H. pylori] as the cause of diseases classified elsewhereE16.4Increased secretion of gastrin