Immunofixation, Serum

Test Code

549

Alias/See Also

1230100080 | LAB7594: Immunofixation, Serum | QUEST EAP: 549 | SFIX|IFE

CPT Codes
86334

Preferred Specimen

1 mL serum

Patient Preparation
Overnight fasting is preferred

Minimum Volume

0.5 mL

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days

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

Gross hemolysis • Grossly lipemic • Grossly icteric • Plasma

Methodology
Immunotyping • Immunofixation

Setup Schedule

Set up: Mon-Sat; Report available: 2-5 days

Reference Range

See Laboratory Report

Clinical Significance

Monoclonal increases in IgG or IgA are often associated with diseases such as multiple myeloma, lymphomas or leukemia. A monoclonal increase in IgM is commonly associated with Waldenström's macroglobulinemia.

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

Last Updated: April 21, 2023

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.