What is it used for?A beta-2 microglobulin tumor marker test is most often given to people who have been diagnosed with certain cancers of the bone marrow or blood. The test may be used to:Figure out the severity of cancer and whether it has spread. This process is known as cancer staging. The higher the stage, the more advanced the cancer is.Predict disease development and guide treatment.See if cancer treatment is effective.See if cancer has spread to the brain and spinal cord.
