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FRELT / 1015200MC
KAPPA / LAMBDA FREE LIGHT CHAINS, QUANT

Test Code FRELT / 1015200MC 
Test KAPPA / LAMBDA FREE LIGHT CHAINS, QUANT 
Methodology Nephelometry 
Description Useful For:
Monitoring patients with monoclonal light chain diseases
but no M-spike on protein electrophoresis 
Specimen Draw blood in a plain, red-top tube (s) or serum gel tube (s).
Spin down and send 2 mL (0.5mL minimum) of serum refrigerated. 
Reference Values KAPPA-FREE LIGHT CHAIN
0.33-1.94 mg/dL
LAMBDA-FREE LIGHT CHAIN
0.57-2.63 mg/dL
KAPPA/LAMBDA FLC RATIO
0.26-1.65 
Analytic Time 1 Day 
Day(s) Test Set Up Monday through Friday 
CPT Code(s) 83883 2