Anti-IgA - LG4976


Sunquest Code:MMMISC  
Epic Code:LAB4909Epic 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.



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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