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Test Code B2GMG Beta-2 Glycoprotein 1 Antibodies, IgG and IgM, Serum

Useful For

Evaluation of patients with suspected antiphospholipid syndrome by identification of beta-2 GP1 IgG and IgM antibodies

Profile Information

Test ID Reporting Name Available Separately Always Performed
GB2GP Beta 2 GP1 Ab IgG, S Yes Yes
MB2GP Beta 2 GP1 Ab IgM, S Yes Yes

Reporting Name

Beta 2 GP1 Ab, IgM/IgG, S

Specimen Type

Serum


Specimen Required


Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Specimen Volume: 0.5 mL


Specimen Minimum Volume

0.4 mL

Specimen Stability Information

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

Reject Due To

Hemolysis

Mild OK; Gross reject

Lipemia

Mild OK; Gross reject

Icterus

Mild OK; Gross OK

Other

NA

Reference Values

<15.0 U/mL (negative)

15.0-39.9 U/mL (weakly positive)

40.0-79.9 U/mL (positive)

≥80.0 U/mL (strongly positive)

Results are expressed in arbitrary units and apply to IgG and IgM values.

Reference values apply to all ages.

Day(s) and Time(s) Performed

Monday through Saturday; 8 a.m.

Performing Laboratory

Mayo Medical Laboratories in Rochester

CPT Code Information

86146 x 2

LOINC Code Information

Test ID Test Order Name Order LOINC Value
B2GMG Beta 2 GP1 Ab, IgM/IgG, S In Process

 

Result ID Test Result Name Result LOINC Value
GB2GP Beta 2 GP1 Ab IgG, S 44448-9
MB2GP Beta 2 GP1 Ab IgM, S 44449-7

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

Coagulation Test Request Form (T753) (http://www.mayomedicallaboratories.com/it-mmfiles/coagulation-test-request-form.pdf)

General Request Form (T239) (http://www.mayomedicallaboratories.com/it-mmfiles/general-request-form.pdf)

Secondary ID

62926

Test Classification

This test has been cleared or approved by the U.S. 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.