Ulta Lab Tests

IgA Subclasses Panel

The IgA Subclasses Panel evaluates IgA1 and IgA2 subclasses, which are critical for mucosal defense and immune balance. Deficiencies may increase susceptibility to sinus, lung, or digestive infections and may also be linked to autoimmune disease. This test supports assessment of antibody function, systemic health, and conditions tied to mucosal immunity and immune dysregulation.

Serum
Phlebotomist
There are no preparation instructions.

The following is a list of what is included in the item above. Click the test(s) below to view what biomarkers are measured along with an explanation of what the biomarker is measuring.

Specimen Type: Serum

Iga1

Iga2

Immunoglobulin A

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The IgA Subclasses Panel test contains 1 test with 3 biomarkers .

gA1 constitutes approximately 80% of the circulating IgA. IgA nephropathy is typically due to IgA1. IgA2 predominates in secretions of some mucosal surfaces. IgA2 concentrations may be useful as an index of mucosal pathology. Subclass deficiency is associated with anaphylactic transfusion reactions

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