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Test Code AB2GP Beta-2 Glycoprotein 1 Antibodies, IgA, Serum

Reporting Name

Beta 2 GP1 Ab IgA, S

Useful For

Evaluating patients with suspected antiphospholipid syndrome by identification of beta-2 glycoprotein 1 IgA antibodies

 

Evaluating patients at-risk for antiphospholipid syndrome (APS) who are negative for criteria APS tests

 

Estimating the risk of thrombosis and/or pregnancy-related morbidity in patients with systemic lupus erythematosus

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


Specimen Minimum Volume

0.4 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 21 days
  Frozen  21 days

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus OK
Heat-treated specimen Reject

Reference Values

<15.0 SAU (negative)

15.0-39.9 SAU (weakly positive)

40.0-79.9 SAU (positive)

≥80.0 SAU (strongly positive)

Results are reported in standard IgA anti-beta 2 glycoprotein 1 units (SAU).

 

Reference values apply to all ages.

Day(s) Performed

Monday, Wednesday, Friday

CPT Code Information

86146

LOINC Code Information

Test ID Test Order Name Order LOINC Value
AB2GP Beta 2 GP1 Ab IgA, S 44447-1

 

Result ID Test Result Name Result LOINC Value
AB2GP Beta 2 GP1 Ab IgA, S 44447-1

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

Report Available

4 to 6 days