Pathology What is the best prognostic indicator of multiple myeloma at the time of diagnosis ? A Number of myeloma cells in the marrow B Beta 2 microglobulin C Alkaline phosphatase level D Hypercalcemia 💡 Explanation What is the best prognostic indicator of multiple myeloma at the time of diagnosis ? ✓ Correct Answer: B. Beta 2 microglobulin