2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Diseases Of Esophagus, Stomach, And Duodenum 530-537 > Gastric Ulcer 531.* > 2006 ICD-9-CM Diagnosis 531.31 Acute gastric ulcer without hemorrhage or perforation with obstruction View the most recent version of ICD-9-CM 531.31 531.31 is a specific code that can be used to specify a diagnosis View the ICD-9-CM Volume 1 531.* hierarchy