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