Lambda Light Chain, Free

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

Test Code

LAMBDA

Alias/See Also

15075

CPT Codes
83521

Preferred Specimen

serum

Minimum Volume

0.5 mL

Instructions

Barrier tubes (serum separator tubes) are preferred. If non-barrier tubes are utilized, the serum must be removed immediately after centrifuging and placed in a screw-cap transfer tube.

Collection notes: Avoid hemolysis. Invert tubes at least 8 times. Allow to clot in an upright position for 30 minutes. Within 2 hours, centrifuge tubes 10 minutes. Keep tightly stoppered.

Do NOT re-centrifuge tubes. Do NOT freeze the primary collection tube.

Transport Container

Original tube preferred, may be sent in a screw-top transfer tube.

Transport Temperature

Refrigerated

Specimen Stability

Room Temperature = N/A
Refrigerated = 7 days
Frozen = At least 7 days

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

Hemolysis, Lipemia, incorrect specimen type, insufficient sample volume, improper storage conditions, exceeds specimen stability guidelines, contaminated sample.

Methodology
immunoturbometric

Setup Schedule

Monday - Friday
BS

Report Available

1 - 3 Days

Clinical Significance

Aids in the diagnosis and monitoring of multiple myeloma, lymphocytic neoplasms, Waldenstrom's Macroglobulinemia and connective tissue diseases such as systemic lupus erythematosus.

Performing Laboratory
Compunet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439

Last Updated: January 19, 2022

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.