2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Diseases Of Esophagus, Stomach, And Duodenum 530-538 > 2008 ICD-9-CM Diagnosis 532 Duodenal ulcer  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 532 can be accessed here. A PEPTIC ULCER located in the DUODENUM. 532 is a non-specific code that cannot be used to specify a diagnosis ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Use additional E code to identify drug, if drug-induced 532 includes: erosion (acute) of duodenum ulcer (peptic): duodenum postpyloric 532 excludes: peptic ulcer NOS (533.0-533.9)