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What is a BETA-2 MICROGLOBULIN,SERUM?

The Beta-2 Microglobulin (B2M), Serum test is a blood test that measures the level of beta-2 microglobulin, a protein found on the surface of many cells and released into the blood. Elevated levels can indicate certain blood cancers like multiple myeloma or lymphoma, as well as kidney disorders, since the protein is filtered by the kidneys. Doctors use this test to help diagnose, monitor disease progression, and assess treatment response in patients with suspected malignancies or kidney dysfunction.

Additional Information

Also known as/ Other names: Serum Beta-2 Microglobulin Test, B2M Serum Test, Serum Beta-2 Microglobulin Level
Parameters: 1
Recommended for: M/F/Others
Sample Type: Blood
Patient Preparation: Overnight fasting is preferred.
Reports: Next Day

FAQs

Why is the B2M test done?

Doctors use it to evaluate kidney disorders, monitor blood cancers, and track disease progression or treatment response.

What does a high B2M level mean?

Elevated levels may indicate kidney dysfunction, blood cancers, or immune system disorders.

What does a low B2M level mean?

Low levels are generally not clinically significant and rarely indicate health problems.

Can kidney disease affect B2M levels?

Yes, impaired kidney function often raises B2M levels since the protein is filtered by the kidneys.

Can medications affect B2M levels?

Yes, certain drugs may influence results, so inform your doctor about all medications you are taking.

Is B2M test used for cancer diagnosis?

Certainly, it helps detect and monitor cancers like multiple myeloma, lymphoma, and leukemia.

Can B2M test detect kidney disease?

Yes, it is often used to evaluate kidney function and detect chronic kidney disease.

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