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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 Code94945
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
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: Next day
Reference Range
Age | (mg/dL) |
Cord blood | 1-3 |
1 month | 2-43 |
2-5 months | 3-66 |
6-9 months | 7-66 |
10-12 months | 12-75 |
1-3 years | 24-121 |
4-6 years | 33-235 |
7-9 years | 41-368 |
10-11 years | 64-246 |
12-13 years |
70-432 |
14-15 years | 57-300 |
≥16 years | 81-463 |
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.