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IMMUNOGLOBULIN G
Test CodeLAB71
Preferred Specimen
2 mL serum
Minimum Volume
0.5 mL
Transport Container
Serum separator tube (SST)
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 72 hours
Refrigerated: 7 days
Frozen: 90 days
Refrigerated: 7 days
Frozen: 90 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Hyperlipemic
Methodology
Immunoturbidimetric
Setup Schedule
Mon-fri
Report Available
1-4 days
Clinical Significance
Increased IgG is associated with acute and chronic inflammations, monoclonal IgG myeloma, autoimmune diseases; decreased IgG is found in selective IgG deficiency, Bruton's Disease, and acquired immune deficiency.
