Herpes Gestationis Factor (IgG Complement-Fixing Basement Membrane Zone Antibodies)
:0092283
Mnemonic: HG FACTOR
Methodology:
Indirect Immunofluorescence
Performed:
Varies
Reported:
Within 9 days
Specimen Required:
Collect: One 5 mL plain red or serum separator tube.
Storage/Transport Temperature: 2 mL serum at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube.
Remarks: For specimens less than 0.5 mL please call Immunodermatology (866) 266-5699.
Unacceptable Conditions: Hemolyzed or lipemic specimens.
Stability (collection to initiation of testing): Ambient: 4 days; Refrigerated: 90 days; Frozen: Indefinitely
Reference Interval:
By report
Note:
The methodology is indirect immunofluorescence (IFA) of serum on human split skin substrate for detection of complement-fixing (herpes gestationis factor) and non-complement-fixing IgG basement membrane zone antibodies.
New published information indicates that it is also helpful to order BP 180 (Bullous Pemphigoid 180 kDa Antigen) IgG Antibodies in Serum (0092058) to help determine herpes gestationis.
CPT Code(s):
88347 Complement-fixing IgG; 88347 IgG BMZ; 83516 BP 180