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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 273 Disorders of plasma protein metabolism  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 Therefore, this code may be out of date.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 273 can be accessed here. 273 is a non-specific code that cannot be used to specify a diagnosis 273 excludes: agammaglobulinemia and hypogammaglobulinemia (279.0-279.2) coagulation defects (286.0-286.9) hereditary hemolytic anemias (282.0-282.9)