Lupus Anticoagulant LUPAN
|Method(s)||Clotting, Enzyme Immunoassay|
|Components||Dilute Russell Viper Venom Screen, APTT, Cardiolipin IgG, IgM & IgA Autoantibodies|
One adequately filled 3.0 mL light blue (sodium citrate) top tube AND one 5 mL gold (SST) top tube.
**TIME SENSITIVE** For specimens that cannot be shipped to the laboratory to arrive within 4 hours of collection, see Collection and Processing of Coagulation Specimens information (link below).
Draw blood into a light blue (sodium citrate) tube filled to the proper level (1 part anticoagulant to 9 parts blood). Invert tube 8-10 times to avoid clotting.
|Stability||Ambient; Refrigerated: 4 hours; Frozen: 2 weeks|
Specimens that are clotted, collected in the wrong specimen tube, less than 90% filled, exceed stability limits or hemolyzed are not acceptable for testing.
|Schedule||Mon, Thu - Cardiolipin IgG, IgM and IgA autoantibodies; Tue, Thu - Dilute Russell Viper Venom Screen, APTT|
|CPTCode||85613, 85730, 86147x3|
Anticoagulant therapy may interfere with DRVVT and aPTT tests.
|Preferred Specimen Collection Device(s)|
See Laboratory Report.