Free Light Chains, Blood

CERNER / EPIC MNEMONIC: LIGHT CH
POE DESCRIPTION: Free Light Chains, Serum
CPT CODE: 83883 (x2)
TEST INFORMATION: Test includes Kappa Free Light Chains, Lambda Free Light Chains and Kappa/Lambda Free Light Chains Ratio
TURNAROUND TIME: 5-7 working days
CONTAINER TYPE:

Red top tube or SSTTMtube

SPECIMEN REQUIREMENTS: 2.0 mL blood (1.0 mL serum)
MINIMUM VOLUME:

1.0 mL blood (0.5 mL serum)

REFERENCE RANGE:

Free Kappa 0.33-1.94 mg/dL; Free Lambda 0.57-2.63 mg/dL;

Kappa/Lambda ratio 0.26-1.65. Interpretation on report.

METHODOLOGY: Nephelometry
TEST SYNONYM(S):Immunoglobulin Free Light Chains, Serum; Blood Kappa/Lambda Free Light Chains, Blood