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Test Code SFLC Free Light Chains, Serum

Methodology

Turbidimetric (Latex Enhanced Immunoassay)

Performing Laboratory

ThedaCare Laboratories

Specimen Requirements

Specimen Type: Serum

Container/Tube: Gold top serum gel

Specimen Volume: 1 mL

Specimen Minimum Volume: 0.5 mL

Collection Instructions:  Avoid hemolysis.

Specimen Transport Temperature

Refrigerated

Reference Values

KAPPA-FREE LIGHT CHAIN

0.33-1.94 mg/dL

LAMBDA-FREE LIGHT CHAIN

0.57-2.63 mg/dL

KAPPA/LAMBDA RATIO

0.26-1.65

Day(s) Test Set Up

3 days/week (days vary)

Test Classification and CPT Coding

83520 x 2