Free Light Chain Assay

Measures free antibody light chains in blood to detect and monitor plasma cell disorders and related kidney damage in Visit Clinic.
What is a Free Light Chain Assay Test in Visit Clinic?
The Free Light Chain Assay measures free light chains, small pieces of antibodies, in the blood. These pieces are made by plasma cells in the bone marrow. Normally they are produced in small amounts and cleared by the kidneys. High or imbalanced levels can signal abnormal plasma cell activity. Doctors use the test to help detect and monitor conditions such as multiple myeloma, AL amyloidosis, and monoclonal gammopathies. It also helps assess risk of kidney damage from abnormal proteins. Results are compared with other tests like serum protein electrophoresis and urine studies to guide diagnosis, treatment choices, and follow-up care.
Free Light Chain Assay Test Preparation in Visit Clinic
No special preparation is required.
Free Light Chain Assay Test Parameters in Visit Clinic
The Free Light Chain Assay test evaluates various parameters. Here are the main parameters checked:
Why Take a Free Light Chain Assay Test in Visit Clinic?
Free Light Chain Assay is commonly included in panels for suspected plasma cell disorders or monoclonal gammopathies. Doctors may order it when a patient has unexplained fatigue, anemia, bone pain, recurrent infections, high calcium, or signs of kidney dysfunction. It helps diagnose and monitor multiple myeloma, AL amyloidosis, and MGUS. Abnormal results can be caused by plasma cell diseases or impaired kidney clearance. A family history of blood or bone marrow cancers can make this test more important.
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