A Beta-2-microglobulin, Serum test is a blood test that measures the levels of beta-2-microglobulin (B2M) in your blood. Here are some reasons why you might consider getting a B2M test:
Assess kidney function: B2M is filtered through the kidneys, so a B2M test can help evaluate kidney function. High levels of B2M in the blood may indicate kidney damage or disease.
Monitor cancer treatment: B2M is a protein that is often elevated in people with certain types of cancer, such as multiple myeloma or lymphoma. A B2M test can be used to monitor the effectiveness of cancer treatment and track the progression of the disease.
Evaluate autoimmune disorders: Some autoimmune disorders, such as rheumatoid arthritis or systemic lupus erythematosus, may cause elevated B2M levels.
Overall, a B2M test can provide important information about your kidney function, cancer status, or autoimmune disease. If you are experiencing symptoms related to any of these conditions, or if you are being treated for cancer or a kidney disorder, your healthcare provider may recommend a B2M test. However, it’s important to remember that B2M levels can be elevated for reasons other than cancer or kidney disease, so the test results should be interpreted in the context of your individual medical history and other test results.
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