Immunofixation (IFE) and Immunoglobulins Panel (IgG, IgA, IgM), Serum

Test Code
IEPS


Quest Code
37669


CPT Codes
82784 (x3), 86334

Includes
Immunofixation, Serum
Immunoglobulins Panel, Serum


Preferred Specimen
3 mL serum


Patient Preparation
Overnight fasting is preferred

Transport Container
Serum separator tube (SST)


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


Methodology
Immunofixation • Immunoturbidimetric

Reference Range
See individual tests


Clinical Significance
Immunofixation is useful in characterizing M components identified by protein electrophoresis. Quantitation of immunoglobulins provides an assessment of the magnitude and measure for monitoring the M component.


Performing Laboratory
Quest Diagnostics LLC
200 Forest Street, 3rd Floor, Suite B
Marlborough, MA 01752-3023




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.