2006 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 > 2006 ICD-9-CM Diagnosis 273 Disorders of plasma protein metabolism View the most recent version of ICD-9-CM 273 273 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)