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Epic Code LAB3114 Kappa and Lambda Free Light Chains

Test Name Alias

KappaLambda | 4191

Interface Order Alias

11083

Collection Instructions

Specimen Collection: Blood

Container(s): Gold Top (Serum Separator-SST Gel)

Preferred Volume to Collect: 5.0 mL

Minimum Volume to Collect: 2.0 mL

Neonate Volume to Collect: 2.0 mL

Capillary collect ok: Yes

Microtainer acceptable: Yes

Collection Instructions:

  • Gently invert gold tube(s) 8 - 10 times to mix clot activator with blood.
  • Specimen should be processed within 2 hours – See Processing Instructions.

 

Processing Instructions (Laboratory, Outpatient or Off-site collection)

  • Processed Specimen: Serum
  • Centrifuge/Spin: Yes
  • Aliquot: No
  • Processing Instructions:
    • Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.
  • Transport Temperature: Refrigerate

Rejection Criteria

Specimen not centrifuged within 2 hours

Specimen Stability

Ambient: 8 hours

Refrigerate: 7 days

Laboratory Retention: 7 days

Test Frequency

Available Monday through Friday

Turn-around time: 1-3 days

Reference Range

Kappa Free Light Chain: ≥18 years: 0.33 - 1.94 mg/dl
Lambda Free Light chain: ≥18 years: 0.57 - 2.63 mg/dl
Kappa Lambda FLC Ratio: ≥18 Years: 0.26 - 1.65

Performing Department

Immunochemistry

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI

Methodology

Turbidimetry

CPT

83521, 83521

CDM Code

3018352101, 3018352101

Epic Test ID

1230100856

LOINC

Kappa Free Light Chain: 36916-5

Lambda Free Light Chain: 33944-0

Kappa Lambda FLC Ratio: 48378-4

KL Prozone: N/A

Mayo Access Code

SHO4191

Reviewed Date

12/13/2022