Phosphatidylserine and Prothrombin Antibody, IgG
May be useful as an independent risk marker for thrombosis associated with antiphospholipid syndrome (APS) and related diseases. Consider using when all criteria aPL antibody tests are negative; positive results should be reported to document persistence.
New York DOH Approval Status
Serum separator tube. Also acceptable: Blue (sodium citrate).
Transfer 0.5 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.15 mL)
Refrigerated. Also acceptable: Frozen.
Other body fluids. Contaminated, hemolyzed, grossly icteric, or severely lipemic specimens.
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Elevated and persistent aPS/PT IgG antibody (with or without lupus anticoagulant activity) may serve as a risk marker of thrombotic events in patients with certain autoimmune diseases, including antiphospholipid syndrome (APS) and systemic lupus erythematosus (SLE).
|Component Test Code*||Component Chart Name||LOINC|
|2009448||Phosphatidylserine and Prothrombin IgG||85359-8|