label: IgM Multiple Myeloma (not Waldenstrom Macroglobulinemia)
label_lc: igm multiple myeloma (not waldenstrom macroglobulinemia)
description: "A finding of multiple myeloma in which the heavy chain of the immunoglobulin M is defective. This finding is seen in other lymphocytic/plasmacytic disorders as well, including Waldenstrom macroglobulinemia."