Kappa/Lambda Free Light Chains Quantitative

Sunquest Code:FLCS  
Epic Code:LAB4353Epic Name:Kappa/Lambda Free Light Chains
Synonyms:Quantitative Kappa Light Chains; Quantitative Lamda Light Chains; Immunoglobulin Free Light Chains; Kappa FLC; Lambda FLC; Serum Free Light Chains; Free Light Chains Ratio
Turnaround Time:Performed Mon, Wed, Fri; results are reported within 1-3 days.

Collection Instructions

Optimal Volume:2 mL
Minimum\Peds Volume:0.8 mL
Container:Red or gold (gel) (Red (no gel))
Causes for Rejection:Plasma specimens. Hemolysis.

Processing and Shipping

Specimen Processing:Centrifuge ASAP and aliquot 0.5 mL, 0.3 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:After separation from cells: 1 week refrigerated; 2 weeks frozen.
Test Performed at or Referral Lab Endocrine  (UMMC-East Bank)


Reference Range:

Lambda Quantitative Free Light Chains, Serum

0.57-2.63 mg/dL

Kappa Quantitative Free Light Chains, Serum

0.33-1.94 mg/dL

Kappa/Lambda Free Light Chain Ratio, Serum




Use:This assay is highly sensitive to increasing concentrations of monoclonal free kappa or free lambda light chains in the serum of patients with evolving or relapsing myelomas.

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