On a routine test in June, my 59 y/o mother had slightly high serum globulins (4.7) and slightly high calcium (10.3) So we did the following tests :- 1- Serum protein electrophoresis - Came back normal with no M spike 2- Serum FLC - Kappa - 33.1 (Ref- 3.3 to 19.4) -  Slightly high Lambda - 18.1 - Normal Kappa/Lambda ratio - 1.83 (Ref- 0.26 to 1.65) Her calcium is back to normal now (without medications). At present, her calcium is 8.9, Hb is 12.5, serum globulin is 3, creatinine is 0.75, urea is 25 and x rays have shown arthiristis. So she doesn't have anemia, hypercalcemia, kidney damage or bone lesions, as of now. However, her kappa chains are elevated and kappa/lambda ratio is slightly high. What is it pointing towards ? Could it be multiple myeloma ?