Measures free light chains (kappa and lambda) in a urine sample. Light chains are parts of antibodies produced by plasma cells.
Helps diagnose and monitor multiple myeloma, amyloidosis and related plasma cell disorders; an abnormal kappa/lambda ratio suggests a clonal disorder. A urine test shows how much is being passed by the kidneys.
People being evaluated or treated for cancer, or as advised by an oncologist. Not a stand-alone screening test.
No fasting needed. Give a first-morning, mid-stream urine sample in a sterile container.
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No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.
Urine sample — preferably first-morning, mid-stream, in a sterile container.
Usually within 3–4 days after the sample reaches the lab. You will receive the report online.
