Beta 2 Glycoprotein Antibody, Blood (Referred Out)- Saskatoon
Discipline
Biochemistry
Overview
Description
Test Ordering Requirements
Forms required
- Requisitions must have specific test indicated
- Miscellaneous Specimen Requisition Form #101878
- or SHR Laboratory Medicine Community Laboratory Requisition Form #101064
- or Acute Care Phlebotomy Requisition Form #101062
Alias
- Anti-domain 1 β2GP1
- Anti-D1 β2GP1
- Anti-domain 1 beta 2 glycoprotein antibody
Specimen Information
Specimen types accepted
- Serum
Specimen collection container
- Preferred collection container: Red (no additive) 6 mL
Collection procedure
- Serum should be separated from cells ASAP.
- Aliquot into 2 tubes with at least 0.5 mL each.
- Within Saskatoon: send to SPH on icepacks.
- Outside Saskatoon: send to SPH frozen.
- Frozen immediately upon receipt in SPH lab.
- Store and send frozen to referral lab.
Required volume
- Optimum volume: 2 mL serum
- Minimum volume: 1 mL serum (0.5 mL x 2 aliquot tubes)
(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection. Chemistry may be able to do up to 10 tests with 0.75 mL blood.)
Transport and stability
- Stability: 8 hours at room temperature; refrigerate up to 48 hours, 3 months frozen at -70°C
Rejection criteria
Performance
Methodology
- Chemiluminescent immunoassay (CIA)
Days/times performed
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Other information
- Aids in the diagnosis of anti-phospholipid syndrome (APS)
- Beta2 glycoprotein IgM and IgG results will be reported
Last Updated: October 3, 2024