Casandra
Casandra Test Code QD45238Version 1 (DRAFT)
Performing Lab
Kappa/Lambda Light Chains, Free with Ratio and Reflex to Immunofixation
Also known as: Light Chains
Clinical Use
Order TestUse
Measurement of the amounts of the different free light chain types, Kappa and Lambda, and their ratio aids in the diagnosis and monitoring of multiple myeloma, lymphocytic neoplasms, Waldenström's macroglobulinemia, and connective tissue diseases such as systemic lupus erythematosus.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Immunoassay (Immunoturbidimetric)
Biomarkers
Kappa Light Chain, Free, Serum
AnalyteKappa Light Chain, Free, Serum • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Kappa/Lambda Light Chains Free with Ratio, Serum
AnalyteKappa/Lambda Ratio • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Lambda Light Chain, Free, Serum
AnalyteLambda Light Chain, Free, Serum • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
2-7 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
2 mL
Minimum Volume
1 mL
Container
Plastic screw‑cap vial
Causes for Rejection
Gross hemolysis; grossly lipemic; microbially contaminated serum; specimens containing heavy visible particulate
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 72 hours |
| Refrigerated | 7 days |
| Frozen | 30 days |