Days Set Up
Mon-Fri
Analytic Time

8 hours

MiChart Code
Beta-2 Glycoprotein Antibodies
Soft Order Code
B2GP1

Test Updated:

Synonyms

BETA-2 GLYCOPROTEIN 1-IgG
BETA-2 GLYCOPROTEIN 1-IgM
BETA-2 GLYCOPROTEIN 1-IgA
B2GP1
BETA-2 GLYCOPROTEIN 1
Antiphospholipid Antibody (Beta 2 Glycoprotein)
Phospholipid Antibody (Beta 2 Glycoprotein)

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Test Overview

Test Methodology

Multiplex Flow Immunoassay

Test Usage

Beta-2-GPI autoantibodies are found in patients with antiphospholipid syndrome (APS) and are associated with increased risk of venous and arterial thrombosis and thrombocytopenia. Beta-2-GPI autoantibodies are found only in patients with autoimmune diseases, while cardiolipin autoantibodies can be transiently found in infectious diseases.

Reference Range

B2GP1 IgG: <20 U/mL (Negative); B2GP1 IgM: <20 U/mL (Negative); B2GP1 IgA: <20 U/mL (Negative).

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

Collect specimen in SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.

Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.3 mL serum

Billing Information

CPT Code
86146 x3
Pro Fee Code
 
LOINC
56152-2

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Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.

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