ARUP's Laboratory Test Directory

Beta-2 Glycoprotein 1 Antibodies, IgG & IgM : 0050321

Mnemonic: B2GPI PAN

Methodology: Enzyme-Linked Immunosorbent Assay
Performed: Mon, Thu
Reported: 1-5 days
Specimen Required: Collect:  One 4 mL serum separator tube.

Transport:  1 mL serum at 2-8°C. (Min: 0.5 mL)  Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport:  0.15 mL serum at 2-8°C.

Remarks:  Separate serum from cells ASAP.

Unacceptable Conditions:  Plasma or other body fluids.  Severely lipemic, contaminated, or hemolyzed specimens. 

Stability:  After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Reference Interval:
 
Test Number Components Reference Interval
 Beta-2 Glycoprotein 1 Antibody, IgG 0-20 SGU
 Beta-2 Glycoprotein 1 Antibody, IgM 0-20 SMU

Interpretive Data: An IgG and/or IgM result of greater than 20 SGU and/or SMU on at least two occasions and at least 12 weeks apart is suggestive of antiphospholipid syndrome. Diagnosis should NOT be made solely on the basis of a single specimen.
CPT Code(s): 86146 Beta-2 Glycoprotein I, IgG; 86146 Beta-2 Glycoprotein I, IgM
 
 

 

 

 
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