Beta 2 Glycoprotein1 antibodies
- Description
- Anti-β2GPI is an antiphospholipid antibody that is associated with the antiphospholipid antibody syndrome (APS). This antibody is tested in conjunction with IgG and IgM anti-cardiolipin antibody and lupus anticoagulant (done in the Coagulation laboratory).Anti-β2GPI must be detected on 2 more occasions at least 12 weeks apart to fulfil the laboratory diagnostic criteria for APS. It may also be positive following an infection.
- Related condition
- Reference range
- Beta 2 glycoprotein 1 IgG <10 Beta 2 glycoprotein 1 IgM <10
- Units
- U/ml
- Testing site
- Synnovis : Reference Services : Blackfriars Hub
- Laboratory
- Diagnostic Immunology
- Sample type and volume required
- Clotted (Gold top vacutainer) 4 ml
- Special sample instructions
All tests are compromised by prolonged transit times. For this reason, date of bleed and date of postage must be provided with each request.
- Storage and transport
- Serum stored at 4°C should be sent by first class post
- Turnaround time
- 14 days
- Time limit for extra tests
- 10 days