Before revision: Detection of paraprotein in serum of less than 30 g/l is classified as monoclonal gammopathy of undetermined significance in cases where clonal plasma cells constitute less than 10% on bone marrow biopsy and there is no myeloma-related organ or tissue impairment
After revision: Detection of paraprotein in serum of less than 3 g/l is classified as monoclonal gammopathy of undetermined significance in cases where clonal plasma cells constitute less than 10% on bone marrow biopsy and there is no myeloma-related organ or tissue impairment