2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Hernia Of Abdominal Cavity 550-553 > 2006 ICD-9-CM Diagnosis 551 Other hernia of abdominal cavity with gangrene View the most recent version of ICD-9-CM 551 551 is a non-specific code that cannot be used to specify a diagnosis 551 Includes that with gangrene (and obstruction)