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Epithelial Basement Membrane Zone Antibody IgA
0092057
Ordering Recommendation

• Assess and monitor patient with linear IgA disease, including linear IgA bullous dermatosis and positive IgA BMZ antibodies, either epidermal (roof) pattern or dermal (floor) pattern.
• Consider ordering concurrently with IgG antibody testing for epithelial BMZ (0092056), bullous pemphigoid (BP180 & 230) antigens (0092566), and/or collagen type VII (2010905).

Mnemonic
EBMZ IGA
Methodology
Indirect Immunofluorescence
(Indirect Fluorescent Antibody)
Performed
Varies
Reported
4-9 days
New York DOH Approval Status
This test is New York DOH approved.
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Plain red or serum separator tube (SST). 
Specimen Preparation
Transfer 2 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL) 
Storage/Transport Temperature
Refrigerated. 
Unacceptable Conditions
Hemolyzed or lipemic specimens. 
Remarks
 
Stability
Ambient: 1 week; Refrigerated: 2 weeks; Frozen: Indefinitely 
Reference Interval
By report
Interpretive Data


Note
For specimens less than 0.5 mL, call the Immunodermatology Laboratory at (866) 266-5699.
CPT Code(s)
88346; 88350
Components
Component Test Code*Component Chart NameLOINC
0092057Epithelial BMZ Ab, IgA
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases

Performed at UUHC-Immunodermatology