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Immunoglobulin A
MessageSRHC Clients:
- 1 lime green top tube
- Overnight fasting is perferred
- Gross hemolysis and lipemia are not acceptable
- Transport to SRHC laboratory within 8 hours
Test Code
IgA
Alias/See Also
IgA
Immunoglobulin A, Quantitative
Immunoglobulin A, Quantitative
CPT Codes
82784
Preferred Specimen
1 lime green top tube collected from a fasting patient
Minimum Volume
0.5 mL
Other Acceptable Specimens
1 lime green tube, 1 yellow tube, or 1 red tube
Transport Container
1 lime green top tube
Transport Temperature
Refrigerated
Specimen Stability
Rm temp: 3 days
Refrigerated: 7 days
Refrigerated: 7 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis
Gross lipemia
Gross lipemia
Methodology
Immunoturbidimetric
Setup Schedule
Daily
Report Available
4-8 hours
Reference Range
See patient report
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 ataxia telangiectasia
Performing Laboratory
SRH Main laboratory
