Kappa Light Chain, Free, Serum

Test Code

4463

Quest Code

15061

Alias/See Also

Quest 15061; Sunquest: KLLF

CPT Codes
83521

Preferred Specimen

2 mL serum

Minimum Volume

1 mL

Transport Container

Transport tube

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 72 hours
Refrigerated: 21 days
Frozen: 30 days

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

Gross hemolysis • Grossly lipemic • Microbially contaminated • Heavy visible particulate

Methodology
Immunoturbidimetric

Setup Schedule

A. M. Tues-sun

Report Available

2 days

Reference Range

3.3-19.4 mg/L

Performing Laboratory

Quest Diagnostics - Great Lakes Region

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.