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About the test
What is this test done for?
Beta 2 microglobulin is a test done to evaluate the severity and prognosis of certain blood cancers, including multiple myeloma and lymphoma.
Why is it Done?
It is used as a tumor marker for some blood cancers. It is not diagnostic for any specific disease, but is mainly done to see the prognosis of cancer patients.
When should it be performed?
The test is performed during the initial work up of a person who has been diagnosed with multiple myeloma. It helps order the stage of the disease. It is done to evaluate the current situation and monitor the effectiveness of the treatment. It is done when certain following symptoms are seen:
  • Bone pains
  • Low blood counts
  • Extreme thirst
  • Dehydration
  • Loss of appetite
How is it done
A blood sample will be collected from a vein in your arm. Fasting is not needed prior to sample collection.
The normal levels are: 1.21-2.70 mcg/mL . If levels are higher than normal, it indicates poor prognosis and if they are within normal range then it indicates good response to the treatment of multiple myeloma.
Other Tests
CMV (cytomegalovirus) antibodies test should also be performed to rule out other autoimmune and inflammatory disorders.
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