• Assess and monitor patient with possible IgA pemphigus, a RARE disease with certain clinical and histopathological subtypes.
• If other types of pemphigus are of diagnostic consideration, order Immunobullous Disease Panel, Epithelial, first (3001409), or this test concurrently with Pemphigus Antibody Panel - Epithelial Cell Surface Antibodies and Desmoglein 1 and Desmoglein 3 Antibodies, IgG (0090650).
Indirect Fluorescent Antibody
Changed 05/09/05: 4-9 days
Plain red or serum separator tube (SST).
Transfer 2 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Hemolyzed or lipemic specimens.
Ambient: 1 week; Refrigerated: 2 weeks; Frozen: Indefinitely
No compliance statements are in use for this test.
The methodology is indirect immunofluorescence (IFA) of serum on substrates with known epidermal (epithelial) cell surface antigens (both intact human skin and monkey esophagus substrate). For specimens less than 0.5 mL, call the Immunodermatology Laboratory at (866) 266-5699.
|Component Test Code*||Component Chart Name||LOINC|
|0092106||Pemphigus Ab, IgA||42936-5|
- IgA Pemphigus Antibodies