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Free light chains

Message
Performed in the Chemistry Laboratory x5820.


Test Code
FLC


Includes
Free Kappa Free Lambda


Preferred Specimen
Serum  from a gold top


Minimum Volume
1 mL


Transport Container
Gold Top (SST)


Transport Temperature
Room temperature


Specimen Stability
Refrigerated: 72 hours


Methodology
Nephelometry

Setup Schedule
This assay is performed 1 time a week. (Wednesday)


Reference Range
Kappa Light Chains: 3.30-19.4 mg/L
Lambda Light Chains:5.70-26.3 mg/L
Kappa/Lambda Ratio:


Clinical Significance
This assay is used in the diagnosis and monitoring of multiple myeloma, lymphocytic neoplasm, Waldenstrom's macroglobulinemia, and connective tissue diseases




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.