Preferred second-line test when seronegative antiphospholipid syndrome is strongly suspected. Order incrementally or concurrently with other noncriteria antiphospholipid antibody tests.
Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Within 24 hours
Serum separator tube.
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL)
Plasma or other body fluids. Contaminated, heat-inactivated, hemolyzed, or lipemic specimens.
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Effective August 18, 2014
|20-80 APL||Low to Moderately Positive|
|81 APL or above||High Positive|
No compliance statements are in use for this test.
APL = IgA phospholipid units.
|Component Test Code*||Component Chart Name||LOINC|
|0098358||Cardiolipin Antibody IgA||5076-5|
- aCL Antibody
- aCL IgA
- Anticardiolipin Antibodies