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Immunofixation With IgG / IgA / IgM Quantitative
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
IGSIT
Alias/See Also
70707
CPT Codes
86334;82784(3)
Includes
Includes: Immunofixation Serum (549), Immunoglobulin A (539), Immunoglobulin G (543), Immunoglobulin M (545)
Preferred Specimen
serum
Minimum Volume
1 mL
Instructions
Avoid hemolysis. Allow to clot in an upright position for 30 minuties. Centrifuge for at least 10 minutes. Keep tightly stoppered.
Transport Container
Original tube preferred, may be sent in a screw-top transfer tube.
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature = n/a
Refrigerated = 1 week
Frozen = 4 months
Refrigerated = 1 week
Frozen = 4 months
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
see individual components
Setup Schedule
DAILY
CH
CH
Report Available
2 - 3 days
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
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439
Last Updated: November 22, 2021