- Myeloma-related organ dysfunction (at least one of the following) [C] Calcium elevation in the blood (serum calcium >10.5 mg/dl or upper limit of normal) [R] Renal insufficiency (serum creatinine >2 mg/dl) [A] Anemia (hemoglobin <10 g/dl or 2 g < laboratory normal) [B] Lytic bone lesions or osteoporosis