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.

New York DOH Approval Status

This test is New York state 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)

Methodology

Semi-Quantitative Enzyme-Linked Immunosorbent Assay

Performed

Sun-Sat

Reported

1-2 days

Reference Interval

<=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