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Test ID BLOD1333 Beta 2 Glycoprotein I IgM

Specimen Type/Requirements

Blue top (Sodium Citrate) rube - Plasma (preferred)
Red top (Serum w/out gel) tube - Serum

Gold top (Serum w/ gel) tube - Serum


See  Coagulation Testing and Platelet Poor Plasma Preparation to obtain platelet poor plasma within 60 minutes of collection.

Serum should be centrifuged within 24 hours of collection.


Affected by gross hemolysis or gross lipemia

Specimen Volume


Preferred Volume   1.0 mL  
Minimum Volume   0.5 mL  




Room Temperature   5 days    
Refrigerated   14 days    
Frozen   30 days   Preferred for transport  


Performed Test Frequency

Monday - Saturday p.m.





Performing Lab

Quest Chantilly

Additional Information

Beta-2-GPI autoantibodies are found in patients with antiphospholipid syndrome (APS) and are associated with increased risk of venous and arterial thrombosis and thrombocytopenia. 

Beta-2 GPI autoantibodies are found only inpatients with autoimmune diseases, while cardiolipin autoantibodies can be transiently found in infectious diseases.

Factor VIII inhibitors may cause a false positive lupus anticoagulation test. The temporary presence of antiphospholipid antibodies may accompany infections or certain drugs.

Analytic Time

1 - 2 days

Interface Build Information

Result Code Result Code Description  
4626 Beta-2-GPI IgM