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Test Code KLFLC Free Light Chains, Serum

Important Note

Panel Test includes:

  • Kappa Free Light Chains
  • Lambda Free Light Chains
  • Kappa/Lambda Free Light Chain Ratio

Performing Laboratory

ChristianaCare-Newark Campus

Day(s) Test Set up

Monday through Friday

Methodology

Immunoturbidimetric

Specimen Requirements

Preferred:  Serum gel

Acceptable:  Red top

Specimen Volume:  1 mL

Minimum Volume:  0.5 mL

Forms:  if not ordering electronically, submit a General Request Form (Supply T239) with the specimen.

 

Reference Values

Kappa Free Light Chain:  3.30 - 19.40 mg/L

Lambda Free Light Chain:  5.71 - 26.30 mg/L

Kappa/Lambda Free Light Chain Ratio:  0.26 - 1.65

Specimen Type

Serum

Useful For

Monitoring patients with monoclonal light chain diseases but no M-spike on protein electrophoresis.