Beta-2-Glycoprotein-1 antibodies

Test investigation

Beta-2-Glycoprotein-1 antibodies

Laboratory offering test

NNUH

Units

U/mL

Indications

Anti phospholipid syndrome (APS) presents with thrombosis (arterial and venous) and recurrent miscarriage. It is more common in the context of other CTD such as SLE and antibody levels do not correlate with extent or severity of thrombosis. Antibodies may occur transiently following infection. To confirm the diagnosis antibodies must be identified on 2 occasions >12 weeks apart.

Comments precautions

Anti-cardiolipin Ab will also be tested when anti-B2GP1 Ab are requested

Sample type

Serum

Turnaround times (TAT) Urgent/Routine/GP or OPD

1 week

Reference intervals

0.0 - 7.0 U/ml Negative 7.0 - 10.0 U/mL Equivocal >10 U/mL Positive