2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Noninfective Enteritis And Colitis 555-558 > 2006 ICD-9-CM Diagnosis 557 Vascular insufficiency of intestine View the most recent version of ICD-9-CM 557 557 is a non-specific code that cannot be used to specify a diagnosis 557 Excludes necrotizing enterocolitis of the newborn (777.5)