Is there anything else I need to know about a beta-2 microglobulin tumor marker test?Beta-2 microglobulin tests are not always used as tumor marker tests for cancer patients. B2M levels are sometimes measured to:Check for kidney damage in people with kidney disease.Find out if a viral infection, such as HIV/AIDS, has affected the brain and/or spinal cord.Check to see if disease has advanced in people with multiple sclerosis, a chronic disease affecting the brain and spinal cord.
