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Kappa/Lambda Light Chains, Free with Ratio and Reflex to Immunofixation
If Kappa/Lambda, Free is <0.26 or >1.65, Immunofixation will be performed at an additional charge (CPT code(s): 86334).
2 mL serum
Plastic screw-cap vial
Room temperature: 7 days
Refrigerated: 21 days
Frozen: 90 days
Gross hemolysis • Gross lipemia • Microbial contaminated serum • Specimens containing heavy visible particulate
|4225 E Fowler Avenue|
|Tampa, FL 33617-2026|
|Kappa Light Chain, Free, Serum||3.3-19.4 mg/L|
|Lambda Light Chain, Free, Serum||5.7-26.3 mg/L|
|Kappa/Lambda Light Chains Free with Ratio, Serum||0.26-1.65|
The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.NOTE: The codes listed in the table below are not orderable Test Codes.
|Result Name||LOINC Code||Component Name|
|45505650||KAPPA LIGHT CHAIN, FREE, SERUM||36916-5||Immunoglobulin light chains.kappa.free|
|45505700||LAMBDA LIGHT CHAIN, FREE, SERUM||33944-0||Immunoglobulin light chains.lambda.free|
|45505750||KAPPA/LAMBDA LIGHT CHAINS FREE WITH RATIO, SERUM||48378-4||Immunoglobulin light chains.kappa.free/Immunoglobulin light chains.lambda.free|
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
The CPT codes provided 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 payer being billed.
LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.