Other names and synonyms K31.9. K31.9 Disease of stomach and duodenum, unspecified Description There is no detailed description, see related Related diseases Diseases of the stomach and duodenumFunctional disorders of the stomachGastroptosisStomach polypsPylorospasmGastric dyskinesiaPylorostenosisDuodeno-gastric reflux 42a96bb5c8a2acfb07fc866444b97bf1 ✘Available only when using PRO account Content moderator: Vasin A. S.