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Test Code FIMMUNO Immunoglobulin Free Light Chains, Serum

Performing Laboratory

Northwell Health Laboratories

Methodology

Turbidimetric

Reference Values

KAPPA-FREE LIGHT CHAIN

0.33-1.94 mg/dL

LAMBDA-FREE LIGHT CHAIN

0.57-2.63 mg/dL

KAPPA/LAMBDA FLC RATIO

0.26-1.65

Test Classification and CPT Coding

83883 x 2

Physician Office Specimen Requirements

Container/Tube:  Gold-top tube(s) or plain, red-top tube(s)

Specimen:  1 mL (minimum volume:  0.5 mL) of serum

Transport Temperature:  Refrigerate

Day(s) and Time(s) Performed

Monday through Sunday

Computer Interface Code

PDM #  5912700