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HelpTest Code FIGA Anti-IgA
Specimen Required
Specimen Type: Serum
Container/Tube: Red or SST
Specimen Volume: 1 mL
Collection Instructions: Draw blood in a plain, red-top tube(s) or serum gel tube(s). Spin down and send 1 mL of serum refrigerate in a plastic vial.
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Reporting Name
Anti-IgASpecimen Type
SerumSpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 7 days | |
| Frozen | 30 days | ||
| Ambient | 7 days |
Reject Due To
| Hemolysis: | NA |
| Thawing: | Warm OK; Cold OK |
| Lipemia: | NA |
| Icterus: | NA |
| Other: | NA |
Reference Values
<99 U/mL
Patients with IgG antibodies against IgA may suffer from anaphylactoid reactions when given IVIG that contains small quantities of IgA. In one study (Clinical Immunology 2007; 122:156) five out of eight patients with IgG anti-IgA antibodies developed anaphylactoid reactions when IVIG was administered.
Day(s) Performed
Thursday
Report Available
5 to 16 daysPerforming Laboratory
Eurofins ViracorCPT Code Information
83520
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FIGA | Anti-IgA | 13312-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| FIGA | Anti-IgA | 13312-4 |