KAPPA/LAMBDA QUANTITATIVE FREE LIGHT CHAINS, SERUM

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Please see the link below under Additional Information for the Test Change Notification.

Test Code

LAB3041008

CPT Codes
83883 x2

Includes

Quantitative result for kappa freelight chain and lambda free light chain and kappa/lambda ratio inserum sample.

Preferred Specimen

One 5 mL gold top tube
Pediatric Volume: Two Gold Top microtainers

Instructions

Sample must be centrifuged within two hours of collection and put into aliquot tubes following centrifugation.
Aliquot 0.8 mL and refrigerate

Transport Temperature

Refrigerated

Specimen Stability

Refrigerated 10 days at 2-8 C

Methodology
Turbidimetric

Setup Schedule

Monday-Friday

Reference Range

Kappa Free Light Chain: 0.33-1.94 mg/dL
Lambda Free Light Chain: 0.57-2.63 mg/dL
Ratio: 0.26-1.65

Clinical Significance

Assay is sensitive to high levels of free kappa or free lambda light chains in patient with evolving or relasping myeloma.

Performing Laboratory
West Virginia University Hospital, Inc.

Additional Information
Test Change Notification

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.