2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Other Diseases Of Intestines And Peritoneum 560-569 > Peritonitis And Retroperitoneal Infections 567.* > 2008 ICD-9-CM Diagnosis 567.2 Other suppurative peritonitis  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 Therefore, this code may be out of date.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 567.2 can be accessed here. Accumulation of purulent EXUDATES beneath the DIAPHRAGM, also known as upper abdominal abscess. It is usually associated with PERITONITIS or postoperative infections. 567.2 is a non-specific code that cannot be used to specify a diagnosis View the ICD-9-CM Volume 1 567.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog.