Understand Your Test

Beta-2 Microglobulin Tumor Marker

Formal Name


Beta2 Microglobulin, Serum, Urine, or CSF


Why Get Tested?

To help evaluate the severity and prognosis of certain cancers, including multiple myeloma and some lymphomas.

When To Get Tested?

When you have been diagnosed with multiple myeloma or certain other cancers; sometimes to monitor disease activity and treatment.