Kappa/Lambda Light Chain, Total, Serum

Test Code

4955

Quest Code

37863

Alias/See Also

Quest 37863; Sunquest: TLCS

CPT Codes
83883 (x2)

Preferred Specimen

1 mL serum

Patient Preparation
Fasting preferred

Minimum Volume

0.6 mL

Transport Container

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

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

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Improperly labeled specimen • Received room temperature and >48 hours from draw time

Methodology
Nephelometry

Setup Schedule

P. M. Tues-sat

Report Available

3-6 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-San Juan Capistrano, CA

33608 Ortega Highway

San Juan Capistrano, CA 92675-2042

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.