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Immunoglobulin G Subclass 2
Test Code5426
CPT Codes
82787
Preferred Specimen
1 mL serum
Minimum Volume
0.5 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
A.M.
Clinical Significance
Measurement of subclasses may be valuable aid in the management and understanding of immunodeficiency diseases, hypersensitivity states, and conditions involving susecptability to infection.