Beta-2 Glycoprotein 1 Antibodies, IgA
Test Mnemonic
BETAA
CPT Codes
- 86146 - QTY (1)
LOINC ®
21108-6
Performing Laboratory
ARUP
FDA Category
Laboratory Developed Test
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL | Serum | SST (Gold) | Refrigerated | Remove serum from cells ASAP or within 2 hours of collection and transfer into a standard aliquot tube. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.3 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | After separation from cells: 48 hours |
| Refrigerated | After separation from cells: 2 weeks |
| Frozen | After separation from cells: 1 year (avoid repeated freeze/thaw cycles) |
Days Performed
Sun - Sat
Turnaround Time
2 - 3 days
Methodology
| Name | Description |
|---|---|
| Semi Quantitative Enzyme Linked Immunosorbent Assay |
Reference Range
| Beta-2 GP Abs, IgA | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Less than or equal to 20 SAU |
Special Info
Contaminated, hemolyzed, grossly icteric, or severely lipemic specimens will be rejected. Plasma or other body fluids are unacceptable. This test is New York DOH approved.
Clinical Info
Preferred second-line testing for patients considered seronegative for antiphopholipid syndrome (APS).