Test Code B2GP1A Beta-2 Glycoprotein Antibody Panel
Useful For
Beta-2 microglobulin is a protein found on the surface of most nucleated cells.
- Cancer Monitoring: Acts as a tumor marker for monitoring prognosis and treatment effectiveness in multiple myeloma, chronic lymphocytic leukemia, and certain lymphomas.
- Kidney Function: Used to evaluate renal failure or damage, particularly in kidney transplant recipients.
- Other Uses: It acts as a marker for certain infectious diseases (like HIV) and inflammatory conditions.
Specimen Requirements
Collection Container/Tube:
Preferred: Serum
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 2mL preferred, 1.5mL minimum
Collection Instructions: Centrifuge within 2 hours and aliquot serum into a plastic vial.
Specimen Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) |
7 days |
| Frozen | 90 days |
Avoid multple freeze/thaw cycles.
Panel Components
| B2GP1A | Beta-2 Glycoprotein Antibody Panel |
| AB2GP | Beta-2 Glycoprotein Antibodies, IgA, Serum |
| GB2GP | Beta-2 Glycoprotein Antibodies, IgG, Serum |
| MB2GP | Beta-2 Glycoprotein Antibodies, IgM, Serum |
Reference Values
<7 U/mL=Negative
7-10 U/mL=Equivical
>10 U/mL=Positive
Method
FLUOROENZYMEIMMUNOASSAY
CPT
86146x3
Performing Laboratory
MaineGeneral Medical Center