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Immunofixation (IFE) and Immunoglobulins Panel (IgG, IgA, IgM), Serum
Test Code37669
CPT Codes
86334, 82784 (x3)
Includes
Immunofixation, Serum
Immunoglobulins Panel, Serum
Immunoglobulins Panel, Serum
Preferred Specimen
3 mL serum
Patient Preparation
Overnight fasting is preferred
Minimum Volume
1 mL
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 72 hours
Refrigerated: 7 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Grossly icteric
Methodology
Immunofixation • Immunoturbidimetric
Setup Schedule
Night Sets up 6 days a week.
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.
