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Laboratory Medicine

Test catalogue

Beta-2-Glycoprotein IgG (B2GP1)

Test name

Beta-2-Glycoprotein IgG (B2GP1)

Gold top Specimen Type / Requirements

Container Type = 1 Gold Top (SST)

Minimum Volume = 2 mL serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Serum can be obtained from an SST gold tube. Following collection, serum should be separated from the clot, following centrifugation. Store samples at room temperature no longer than 8 hours. If the assay will not be completed within 8 hours, or for shipment of the sample, freeze at -20°C or lower. Write your initials, date and time of collection on the collection label.

Transportation: Send sample at room temperature to core lab as soon as possible.

Sample Rejection Criteria: Grossly hemolyzed samples, Unlabeled or samples with insufficient quantity will be rejected.

Required Documentation


Turnaround Time (TAT)

7 days

Test Utilization


Reference Value

Negative: < 7 SGU

Indeterminate: 7 - 20 SGU

Positive: >20 SGU

Test Code




Testing Location

SMH-Special Coagulation

Other information

Last Updated: June 06, 2019