Laboratory Medicine

Test catalogue

Free Kappa, Free Lamda Ratio (Free Light Chains)
Test Name Free Kappa, Free Lamda Ratio (Free Light Chains)
Specimen Type / Requirements Container Type = 1 Gold Top (SST) Minimum Testing Volume = 2mL serum Tube must fill to at least ½ or greater of its vacuum capacity
Specimen Handling Collection Instructions: Collect sample in gold top (SST) tube. Write your initials, date and time of collection on the collection label. There is limited utility in repeating serum protein electrophoresis, urine protein electrophoresis, or serum free light chains in short interval. If these tests have been completed in the last 20 days they will not be processed. Please contact St Joe's core lab at 416-530-6273 if you have an exceptional circumstance that warrants repeat testing. Special Instructions: Specimen must be labelled properly. Sperate as soon and possible and send refrigrated Rejection Criteria: Grossly hemolyzed, lipemic, Unlabeled or Not Sufficient Quantity Samples will be rejected. Stability: Stable refrigerated for 21 days 2-8°C and frozen at or below -20 °C for more than 21 days. Transportation: Send sample to core lab as soon as possible.
Required Documentation
Turnaround Time (TAT) 3ays or STAT Weekdays only	Test Utilization
Reference Value Free Kappa Chains: 3.30-19.40 mg/L Free Lambda Chains: 5.71-26.30 mg/L Kappa:Lambda Ratio: 0.26-1.65
Test Code FKLR	Methodology Nephelometry
Testing Location St Joe's Chemistry-Immunology Lab	Other Information Last Updated: April 19, 2021

Free Kappa, Free Lamda Ratio (Free Light Chains)

Test Name

Free Kappa, Free Lamda Ratio (Free Light Chains)

Specimen Type / Requirements

Container Type = 1 Gold Top (SST)

Minimum Testing Volume = 2mL serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect sample in gold top (SST) tube. Write your initials, date and time of collection on the collection label.

There is limited utility in repeating serum protein electrophoresis, urine protein electrophoresis, or serum free light chains in short interval. If these tests have been completed in the last 20 days they will not be processed. Please contact St Joe's core lab at 416-530-6273 if you have an exceptional circumstance that warrants repeat testing.

Special Instructions: Specimen must be labelled properly. Sperate as soon and possible and send refrigrated

Rejection Criteria: Grossly hemolyzed, lipemic, Unlabeled or Not Sufficient Quantity Samples will be rejected.

Stability: Stable refrigerated for 21 days 2-8°C and frozen at or below -20 °C for more than 21 days.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

3ays or STAT Weekdays only

Test Utilization

Reference Value

Free Kappa Chains: 3.30-19.40 mg/L

Free Lambda Chains: 5.71-26.30 mg/L

Kappa:Lambda Ratio: 0.26-1.65

Test Code

FKLR

Methodology

Nephelometry

Testing Location

St Joe's Chemistry-Immunology Lab

Other Information

Last Updated: April 19, 2021