A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Immunoglobulin A

Test Code
94945


CPT Codes
82784<br>Non-Orderable Component

Preferred Specimen
1 mL serum


Minimum Volume
0.5 mL


Transport Temperature
Refrigerated (cold packs)


Specimen Stability
Room temperature: 72 hours
Refrigerated: 7 days
Frozen: 90 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Grossly lipemic


Methodology
Immunoturbidimetric

Setup Schedule
Set up: Sun-Fri; Report available: 1-3 days


Reference Range
Age(mg/dL)
Cord blood1-3
1-28 days2-40
1-3 months3-40
4-6 months7-47
7-11 months12-53
1 year20-73
2 years20-99
3-5 years22-140
6-8 years31-180
9-11 years33-220
12-16 years36-220
17-60 years47-310
≥16 years70-320


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




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.