Lupus Anticoagulant LUPAN
| Method(s) | Clotting, Multiplex Bead Immunoassay |
|---|---|
| Components | Dilute Russell Viper Venom Screen, APTT, Cardiolipin IgG, IgM & IgA Autoantibodies, Beta-2 Glycoprotein I IgG and IgM |
| Specimen Required | |
| Collect | One adequately filled 3.0 mL light blue (sodium citrate) top tube AND one 5 mL gold (SST) top tube. |
| Transport | **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). |
| Remarks | 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 |
| Unacceptable Conditions | 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-Fri - Cardiolipin and Beta-2 Glycoprotein I autoantibodies; Tue - Dilute Russell Viper Venom Screen, APTT |
| CPTCode | 85613, 85730, 86147x3, 86147x2 |
| Notes | Anticoagulant therapy may interfere with DRVVT and aPTT tests. |
| Preferred Specimen Collection Device(s) | |
| Reference Interval | |
|
See Laboratory Report. |
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