K31.8: Other specified diseases of stomach and duodenum |
| K31.81: Angiodysplasia of stomach and duodenum |
| K31.82: Dieulafoy lesion (hemorrhagic) of stomach and duodenum |
| K31.83: Achlorhydria |
| K31.84: Gastroparesis |
| K31.89: Other diseases of stomach and duodenum |