Test Directory
Beta-2 Glycoprotein I Antibody (IgG, IgM, IgA)
Justification
Beta-2 Glycoprotein I (B2GPI) antibodies are associated with antiphospholipid syndrome (APS). Persistently elevated levels of B2GPI antibodies are associated with an increased risk of vascular thrombosis and obstetrical complications.
STAT: < 48 hours (M-F)
ELISA
Draw Tube: Red Top
Sample Type: Serum
Specimen Requirements
| Sample Type | Volume Required | Minimum Volume | Stability | |
|---|---|---|---|---|
| PREFERRED | Serum | 1mL | 0.5mL | Room Temp.: 7 days Refrigerated: 14 days Frozen (-20C): 1 month Frozen (-80C): 6 months |
| ALTERNATIVE | - | - | - | - |
| REJECTION CRITERIA | Thawed in transit, refrozen or clotted sample |
| SPECIAL INSTRUCTIONS | - |
General Information
| METHODOLOGY | ELISA |
| STAT TAT | < 48 hours (M-F) |
| STAT TAT Performance | > 90% of results released in 48 hours |
| ROUTINE TAT | < 3 days (M-F) |
| ALTERNATIVE NAMES | B2GPI, B2GP1 |
| DESCRIPTION | This assay employs an FDA-approved, ELISA method and reports in SGU, SMU and SAU units. |
| LIMITATIONS | - |
| NORMAL RANGE | IgG < 20 SGU, IgM < 20 SMU and IgA <20 SAU |
| ASSOCIATED TESTING | - |
| REFERENCES | - |
| SAMPLE REPORT | Upon request |
| NEW YORK STATE APPROVED | Yes |
Test Codes
| ORDER CODE | P3311 |
| CPT CODE | 86146x3 |
| LOINC CODE | 16135-6, 21108-6, 16136-4 |