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Test Compendium

7992: KAPPA/LAMBDA LIGHT CHAIN,FREE,SERUM

Test Code

  • 7992

Test Synonym

  • K/L RATIO, KAPPA LIGHT CHAINS, LAMBDA LIGHT CHAINS, LIGHT CHAINS KAPPA/LAMBDA

Volume

  • 0.7 mL

Minimum Volume

  • 0.25 mL

Specimen Requirements

  • Serum

Container

  • Serum Separator Tube, Transfer Tube- Serum, Plain Red Top Tube

Turn Around Time

  • 4 days

Special Instructions

  • SST or Red Top Tube. Allow to clot and centrifuge. If a Red Top Tube is drawn, separate as soon as possible to prevent hemolysis.

Specimen Stability

  • 21 days at 2-8 °C >21 days at -20°C

Reference Range

  • Fasting Sex Message Lines Ref Ranges Unit of Measure
    Kappa Free Light Chains 3.30 - 19.40 mg/L Lambda Free Light Chains 5.71 - 26.30 mg/L Kappa / Lambda Ratio 0.26 - 1.65 Ratio