IgA Subclasses

The IgA Subclasses 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

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.

Iga, Serum

Iga1

Iga2

*Process times are an estimate and are not guaranteed. The lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.