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Immunoglobulin G Subclasses Panel
Test Code7903
CPT Codes
82784, 82787 (x4)
Includes
Immunoglobulin G Subclasses 1, 2, 3, 4
IgG (Immunoglobulin G)
IgG (Immunoglobulin G)
Preferred Specimen
2 mL serum
Minimum Volume
1 mL
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 72 hours
Refrigerated: 10 days
Frozen: 30 days
Refrigerated: 10 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Lipemia
Methodology
Immunoturbidimetric Assay
Setup Schedule
Night Sets up 5 days a week.
Clinical Significance
Measurement of IgG subclasses may be helpful in the management and understanding of immunodeficiency diseases, hypersensitivity states, and conditions involving susceptibility to infection.
