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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