KAPPA/LAMBDA LIGHT CHAINS, FREE WITH RATIO, URINE

Specimen Required
Collect random urine and send 2.0 mL urine (1.0 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
24 hour urine

Methodology
Nephelometry

Stability
Room temperature: 7 days; Refrigerated: 21 days; Frozen: 90 days

Reference Range
Kappa Light Chain, Free, Urine: 1.35-24.19 mg/L
Lambda Light Chain, Free, Urine: 0.24.6.66 mg/L
Kappa/Lambda Light Chains Free with Ratio, Urine: 2.04-10.37

Performed
Monday-Friday

Turnaround Time3-9 days
Test CodeKLFU
CPT-4 Code (s)
83883 x 2
LOINC Codes
Kappa Light Chain, Free, Urine: 38176-4
Lambda Light chain, Free, Urine: 38178-0
Kappa/Lambda, Free Ratio: 41759-2

Warde
Medical
Laboratory