Anti-IgA - LG4976
| Sunquest Code: | MMMISC | ||
| Epic Code: | LAB4909 | Epic Name: | Misc Lab Send Outs |
| Synonyms: | Anti IgA Forward | ||
| Methodology: | ELISA | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Fri; results are reported within 7-16 days. | ||
| Compliance: | This test has not been cleared or approved by the US Food and Drug Administration. |
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Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2 mL |
| Minimum\Peds Volume: | 1.2 mL |
| Container: | Red (no gel) (Red or gold (gel)) |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot 1 mL, 0.5 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | 7 days at room temperature or refrigerated (preferred) temperature; 30 days frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (ViraCor via Mayo) |
| Referral Lab number: | FIGA |
Interpretive
| Reference Range: | Less than 99 U/mL |
| Use: | 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. |
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