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Test Code LAB12455 Kappa/Lambda Quantitative Free Light Chains

Department

SEND OUTS

Reference Lab Test Number

KLFLC

Primary Collection Container

Gold (SST)

Transport

Serum refrigerated

Preferred Transport Temperature

Refrigerated

Processing

Centrifuge, separate and send 2.0 mL in a screw-capped plastic vial.

Stability

Ambient: Unacceptable

Refrigerated: 3 weeks

Frozen: 2 months

Minimum Testing Volume

0.5 mL

Reference Range

Lambda Quantitation Free Light Chains, Serum 0.57-2.63 mg/dL

Kappa Quantitative Free Light Chains, Serum 0.33-1.94 mg/dL

Kappa/Lambda Light Chain Ratio, Serum 0.26-1.65

Methodology

Nephelometry

Performed

Monday – Friday

Reported

4 Days

CPT Codes

-83883 x2

Unacceptable Conditions

Hemolyzed or lipemic specimens.