Kappa/Lambda Light Chains, Total, Serum

Message

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

Test Code

KLSER

CPT Codes
83883 (x2)

Includes

Kappa, Lambda, and K/L ratio only
If IgG, IgA,and IgM quantitation are also required, please see Immunoglobulins G, A, M w/Total Kappa and Lambda Quantitation.

Preferred Specimen

1 mL serum

Patient Preparation
Fasting preferred

Minimum Volume

0.6 mL

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 48 hours
Refrigerated: 8 days
Frozen: 30 days

Methodology
Nephelometry

Setup Schedule

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

Reference Range

Kappa	176-443 mg/dL
Lambda	91-240 mg/dL
Kappa/Lambda Ratio	1.29-2.55

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

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.