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Immunoglobulin G Subclass 3
Test Code5427
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
IgG 3 deficiencies are found in a small percentage of individuals with recurrent infections. Increased levels are found in diseases such as Kawasaki's Disease, Primary Biliary Cirrhosis, Hepatitis B, Secondary Syphilis and Borreliosis.
