Lab Test

Anti IgA Antibodies, IgG Class

Immunoglobulin A Antibodies, Anti-IgA Antibodies , MAYO: FIGA, EPIC: LAB6224, SOFT: XAIGA

Specimen Collection Criteria

Collect (preferred specimen): One plain Red-top tube.
Also acceptable: One Gold-top SST tube.

Physician Office/Drawsite Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Preparation for Courier Transport

Transport: 1.5 mL serum, refrigerated (2-8°C or 36-46°F). (Min: 1.0 mL)

Rejection Criteria

  • Specimens not collected and processed as indicated.

Performed

Thursday.
Results available in 7-14 days.

Reference Range

Less than 99 U/mL.

Test Methodology

Enzyme-Linked Immunosorbent Assay (ELISA).

Interpretation

Positive results occur in IgA deficient patients who have experienced an anaphylactic reaction associated with transfusion of plasma-containing blood or blood components.

Clinical Utility

Useful for the evaluation of patients with a history of severe transfusion reaction with signs of anaphylaxis and the identification of patients who require IgA-free blood product.

CPT Code

83520.

Test Codes

MAYO: FIGA, EPIC: LAB6224, SOFT: XAIGA

Last Updated

7/11/2019

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This directory currently reflects information only for specimens collected and/or processed at the
Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.