2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Diseases Of Esophagus, Stomach, And Duodenum 530-537 > Peptic Ulcer Site Unspecified 533.* > 2006 ICD-9-CM Diagnosis 533.50 Chronic or unspecified peptic ulcer of unspecified site with perforation without obstruction View the most recent version of ICD-9-CM 533.50 533.50 is a specific code that can be used to specify a diagnosis View the ICD-9-CM Volume 1 533.* hierarchy