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 > Disorders Of Plasma Protein Metabolism 273.* > 2006 ICD-9-CM Diagnosis 273.1 Monoclonal paraproteinemia View the most recent version of ICD-9-CM 273.1 Conditions characterized by the presence of a monoclonal serum (or urine) protein without clinical manifestations of plasma cell dyscrasia. 273.1 is a specific code that can be used to specify a diagnosis 273.1 contains 9 index entries View the ICD-9-CM Volume 1 273.* hierarchy Alternate Terminology Benign monoclonal hypergammaglobulinemia [BMH] Monoclonal gammopathy: NOS associated with lymphoplasmacytic dyscrasias benign Paraproteinemia: benign (familial) secondary to malignant or inflammatory disease  Index entries containing 273.1: Gammopathy 273.9 monoclonal (benign) (essential) (idiopathic) (with lymphoplasmacytic dyscrasia) 273.1 Hypergammaglobulinemia 289.89 monoclonal, benign (BMH) 273.1 Paraproteinemia 273.2 benign (familial) 273.1 monoclonal 273.1 secondary to malignant or inflammatory disease 273.1 Premyeloma 273.1 Pseudomyeloma 273.1 Schnitzler syndrome 273.1 Syndrome - see also Disease Schnitzler 273.1