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HelpCatalog ID K/L FLC Free Light Chains Quant
CPOE Test Name
Free Light Chains Quant, K/L FLC, Kappa/Lambda Free Light Chains
Synonyms
Free Light Chains Quant, Kappa/Lambda Quantitative Free Light Chains with Ratio, K:L FLC
Specimen Type
Serum
Specimen Requirements
5.0 mL gold top SST blood tube; 2.0 mL blood
Reference Values
Kappa Free Light Chains: 0.33-1.94 mg/dL; Lambda Free Light Chains: 0.57-2.63 mg/dL; K:L Free Light Chain Ratio: 0.26-1.65
Causes for Rejection
Specimens other than serum, warm serum
Turn Around Time
48 hours upon receipt of sample
CPT / HCPCS Code
83883×2
Performing Lab
Immunology Lab, BI 2011 721-3378
Test Consists
Kappa, Lambda, Free Light Chain ratio