Ordering Recommendation

Preferred second-line test when seronegative antiphospholipid syndrome (APS) is strongly suspected. Order incrementally or concurrently with other noncriteria antiphospholipid antibody tests. May also be useful in estimating risk of thrombosis and/or pregnancy-related morbidity in patients with SLE.

Mnemonic
B2GPI A
Methodology

Semi-Quantitative Enzyme-Linked Immunosorbent Assay

Performed

Sun-Sat

Reported

1-2 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Serum separator tube.

Specimen Preparation

Separate serum from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Plasma or other body fluids. Contaminated, hemolyzed, grossly icteric, or severely lipemic specimens.

Remarks
Stability

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)

Reference Interval

0-20 SAU

Interpretive Data



Compliance Category

FDA

Note
Hotline History
N/A
CPT Codes

86146

Components
Component Test Code* Component Chart Name LOINC
0050324 B2Glycoprotein 1, IgA Antibody 21108-6
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Anti-B2-Glycoprotein 1
  • Anti-B2-Glycoprotein I
  • Anti-B2-GP 1
  • Anti-B2-GP I
  • Anti-B2-GP1
  • Anti-B2-GPI
  • Anti-Beta-2-Glycoprotein I
  • APOH
  • Apolipoprotein H
  • B2 IgA
  • B2-glycoprotein 1 IgA
  • B2GP1 IgA
  • Beta 2GP1 Ab
Beta-2 Glycoprotein 1 Antibody, IgA