ICD9Data.com   Free 2008 ICD-9-CM Database

2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Endocrine, Nutritional And Metabolic Diseases, And Immunity Disorders 240-279 > Other Metabolic Disorders And Immunity Disorders 270-279 > 2008 ICD-9-CM Diagnosis 279 Disorders involving the immune mechanism  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 Therefore, this code may be out of date.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 279 can be accessed here. 279 is a non-specific code that cannot be used to specify a diagnosis