BETA-2-GLYCOPROTEIN, IGA

Test Code

B2GGA

CPT Codes
86146

Includes

Beta-2 Glycoprotein IgA

Preferred Specimen

1 Gold tube (gel separator)

Minimum Volume

0.5 mL

Other Acceptable Specimens

1 Green tube (Lithium Heparin)
Please note heparin choice is Lithium

Instructions

Allow serum separator tube (SST) to clot at room temperature then centrifuge for complete separation

Transport Temperature

Refrigerate

Specimen Stability

2-8°C up to 7 days

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

Hemolysis

Methodology
Multiplex Flow Immunoassay

Setup Schedule

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

Report Available

Report available within 24-48 hours of receipt at the performing laboratory.

Reference Range

<20 U/mL IgA

Clinical Significance

Preferred second-line testing for patients considered seronegative for antiphospholipid syndrome (APS)

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab
NIM5 (Immunology, Bioplex)

Last Updated: June 8, 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.