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Immunoglobulin A (IgA), Serum

Test Code
GAI


CPT Codes
82784

Preferred Specimen
1.0 mL serum


Transport Container
Gold  TopTube/Serum Separator Tube.


Transport Temperature
Refrigerate


Methodology
Immunoturbidmetric

Reference Range
> 19 yrs70-400 mg/dL  
16-19 yrs61-348 mg/dL  
14-15 yrs47-249 mg/dL  
12-13 yrs58-358 mg/dL  
10-11 yrs53-204 mg/dL  
7-9 yrs34-305 mg/dL  
4-6 yrs27-195 mg/dL  
1-3 yrs20-100 mg/dL0-1 yrs0-83 mg/dL


Clinical Significance
Increased IgA is associated with monoclonal myeloma, respiratory, gastointestinal and malabsorption; decreased IgA is found in selective IgA deficiency and ataxia telagiectasia IgA.




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.