Test Details

Mnemonic

KLFLC

Ordering Code

1015200

CPT-4 Code(s)

83521 x 2

Specimen Information

Collect

Serum separator tube (SST)

Specimen Preparation

Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Serum: Red top

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Hemolyzed or lipemic specimens, plasma

Stability

Room temperature: Unacceptable
Refrigerated: 21 days
Frozen: Undetermined

Methodology

Turbidimetric
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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
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Performing Laboratory

Warde Medical Laboratory
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New York DOH Approval Status

Yes
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