BETA-2 GLYCOPROTEIN, IgG and IgM

Test Code

B2GGM

CPT Codes
86146 x2

Includes

Beta-2 glycoprotein IgG
Beta-2 glycoprotein IgM

Preferred Specimen

1 Gold tube (gel separator)

Minimum Volume

0.5 mL

Other Acceptable Specimens

1 Green tube (Lithium Heparin)

Instructions

Allow gold tube to clot at room temperature then centrifuge for complete separation of serum and red cells.

Transport Temperature

Refrigerated

Specimen Stability

2-8°C up to 7 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

The following condition(s) will result in a rejected specimen:

Hemolysis

Methodology
Multiplex Flow Immunoassay

Setup Schedule

M, Tu, W, Th, F, Sa, Su

Report Available

Report available within 24 hours of receipt at the performing laboratory.

Reference Range

Component	Range
IgG	<20.0 U/mL
IgM	<20 U/mL

Clinical Significance

Acceptable initial test when antiphospholipid syndrome (APS) is strongly suspected. May also be useful in estimating risk of thrombosis and/or pregnancy-related morbidity in patients with SLE.

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab
NIM5 (Immunology, Bioplex)

Last Updated: June 14, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.