Phospholipid Antibody; Antiphospholipid; APL; Beta 2 GP1 Ab IgG; Beta 2 GP1 Ab IgG; Beta 2 Glycoprotein 1 Antibodies
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Beta-2-Glycoprotein 1 Antibodies, Serum
Test ID: B2GLYAB
Test
Aliases/Synonyms
Method
Electrochemiluminescent Immunoassay
Method Description
One-step, semi-quantitative chemiluminescent immunoassay
Platform
INOVA Bioflash
Report Includes
β-2-Glycoprotein 1 Antibodies IgG; β-2-Glycoprotein 1 Antibodies IgM
Specimens
Serum
Test Location
The Ottawa Hospital General Campus, 501 Smyth Road, Ottawa ON K1H 8L6
Test Version
26-Mar-2025
Specimen
Specimens
Serum
Collection Containers
Gold top (clot activator & gel)
Sample Volume
1 mL
Minimum Volume
0.5 mL
Specimen Comment
Plasma is not acceptable
Collection & Handling
Handling Information
Separate and freeze immediately. Store and send frozen.
Stability
| Ambient | 24 hours |
|---|---|
| Refrigerated | 48 hours |
| Frozen | > 48 hours |
Additional Stability Information
If the specimen thaws, it is unsuitable for analysis.
Rejection Criteria
| Specimen | Not frozen or plasma |
|---|
Test Version
26-Mar-2025
Performance / Interpretation
Method
Electrochemiluminescent Immunoassay
Method Description
One-step, semi-quantitative chemiluminescent immunoassay
Platform
INOVA Bioflash
Turnaround Time
20 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| β-2-Glycoprotein 1 Antibodies IgG | CU |
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| β-2-Glycoprotein 1 Antibodies IgM | CU |
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Results ≤ 20 CU are considered Negative
Results > 20 CU are considered Positive The 20 CU positive cut-off corresponds to the upper 99th percentile as recommended by the International Committee in Sydney (International consensus statement on an update of the classification criteria for definite antiphospholipid syndrome (APS). J Thromb Haemost 2006, 4:295-306) |
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Test Location
The Ottawa Hospital General Campus, 501 Smyth Road, Ottawa ON K1H 8L6
Test Version
26-Mar-2025
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| B2GLYAB | 62957B2GP1 IgG | CU |
| 62958B2GP1 IgM | CU |
Test Version
26-Mar-2025