Test Details

Mnemonic

KLFU

Ordering Code

3434060

CPT-4 Code(s)

83521 x 2

Specimen Information

Collect

Random urine

Specimen Preparation

Send 2.0 mL urine in a screw capped plastic vial.

Alternate Specimen

24 hour urine

Minimum Volume

1.0 mL

Transport Temperature

Refrigerated

Rejection Criteria

Microbial contaminated; gross hemolysis

Stability

Room temperature: 7 days
Refrigerated: 21 days
Frozen: 30 days

Methodology

Immunoturbidimetry
more

Reference Range

Kappa Light Chain, Free, Urine: ≤ 32.90 mg/L
Lambda Light Chain, Free, Urine: ≤ 3.79 mg/L
Kappa/Lambda Light Chains Free
with Ratio, Urine: ≤ 8.69
more

Performing Laboratory

Quest SJC
more