Kappa/Lambda Free Light Chains Quantitative

Abbrev Code:FLCS   
Order Code:LAB4353Order 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
CPT Codes: 83521 x2, 83521 x2
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)
Alternate Containers: 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 UM Specialty Core/Prot/Endo (Optilite C) 


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:Aids in the diagnosis and monitoring of multiple myeloma, lymphocytic neoplasms, Waldenstrom's macroglobulinemia, AL amyloidosis, light chain deposition disease and connective tissue diseases such as systemic lupus erythematosus (SLE) in conjunction with other laboratory and clinical findings.

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