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Immunoglobulin G (IgG), Serum

Test Code
GGI


CPT Codes
82784

Preferred Specimen
1.0 mL serum


Transport Container
Serum separator tube/Gold Top Tube.


Transport Temperature
Room Temperature/Refrigerate


Methodology
Immunoturbidmetric

Reference Range
> 19 yrs70-1600 mg/dL  
16-19 yrs549-1584 mg/dL  
14-15 yrs716-1711 mg/dL  
12-13 yrs759-1549 mg/dL  
10-11 yrs698-1560 mg/dL  
7-9 yrs572-1474 mg/dL  
4-6 yrs504-1464 mg/dL  
1-3 yrs453-916 mg/dL0-1 yrs232-1411 mg/dL


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.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.