Kappa/Lambda Light Chains, Total, Serum

Test Code

CPT Codes
83883 (x2)

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


Setup Schedule
Set up: Mon-Sat; Report available: 1-2 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

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.