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KAPPA, LAMBDA FREE LIGHT CHAINS, SERUM

Synonym(s):
Lab Section Category
View write-up
Specimen Required

​3 mL plain blood

Method

​Immunoturbidimetry Immunoassay (Binding Site Optilite)

Reference Interval / Value

≥ 20 yrs (M/F):

Kappa : 3.30 – 19.4 mg/L 

Lambda : 5.71 – 26.3 mg/L 

Kappa/Lambda ratio : 0.26 – 1.65

Turnaround Time

​Mean = 3 days, Range:  2 – 4 days

Day(s) Test Set up

​Monday - Friday (Except Wednesday)

Remarks

​Please note test results obtained with assays from different manufacturers, assay methods, or kits may be different and cannot be used interchangeably.

Change History Notes

  • 12 Dec 2022 09:00 AM

    ​Method, Reference intervals, Turnaround time and Day of Test Set up are updated on 12 Dec 2022.

  • 17 Feb 2022 06:00 PM

    ​Method and Remarks are updated on 17 Feb 2022.

Back: Pathology Laboratory Services

Last Updated - 13 Jun 2025