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Pathology and Laboratory Medicine
Test Catalogue

​Free Kappa Lambda Light Chains, Serum


​Specimen Requirements​

  • ​Serum
​Required Volume
  • ​Optimal Volume: 4.5 mL Full collection tube
  • Minimum Volume: 1 mL serum
    (Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)

Testing Information​ ​

  • ​Shipped weekly
Testing Site​
  • ​Referred out by St. Paul’s Hospital Laboratory to Dynacare (London, Ont)
Results Reporting​

  • 5 days turn around time by testing laboratory

​Additional Comments
  • ​Used to monitor monoclonal light chain diseases
  • Polyclonal hypergammaglobulinemia or impaired renal clearance can lead to elevated kappa and lambda free light chain
Alternate Test Names​
  • FLC ratio
  • Kappa/Lambda FLC
  • Free light chains

SHR LIS Test Code​
  • ​FKLLC (For Laboratory Use Only)


​If you choose to print this information, it is valid only on date of print.

Laboratory Controlled Document LSM-650 ​v3

Last Modified: Wednesday, January 23, 2019 |
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