Kappa Light Chain, Total, Random Urine

For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.

Test Code

CPT Codes

Preferred Specimen
2 mL random urine collected in a plastic leak-proof container, no preservative

Minimum Volume
0.5 mL

Transport Temperature
Refrigerated (cold packs)

Specimen Stability
Room temperature: 12 hours
Refrigerated: 7 days
Frozen: 14 days


Setup Schedule
Set up: Mon-Sat; Report available: 1-3 days

Reference Range
<2.00 mg/dL

Clinical Significance
Useful in monitoring myeloma patients with known Kappa light chain disease.

Performing Laboratory
Quest Diagnostics Nichols Institute
27027 Tourney Road
Valencia, CA 91355-5386

Last Updated: November 30, 2021

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.