Lupus Type Anticoagulant (LUP ANTI)
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| Synonyms:
| Lupus Anticoagulant; Lupus Anticoagulant Screen |
| Specimen: | Blood; (1) Blue (sodium citrate) top vacutainer tube.
Patient preparation: Avoid warfarin (Coumadin®) therapy for two weeks and heparin therapy for two days prior to the test.
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| Volume: | Full primary tube |
| Minimum Volume: | 2 mL plasma |
| Collection: | Citrated plasma samples should be collected by double centrifugation. Centrifuge for 10 minutes and carefully remove 2/3 of the plasma using a plastic transfer pipette, being careful not to disturb the cells. Deliver to a plastic transport tube, cap, and recentrifuge for 10 minutes. Use a second plastic pipette to transfer plasma to a plastic purple screw-capped aliquot tube and freeze.
Specimen must remain frozen until tested. |
| Rejection Criteria: | Hemolysis; clotted specimen; specimen contaminated with heparin; specimen received unfrozen: improper labeling. |
| Reference Range: | See report |
| Methodology: | PTT-LA (lupus-senstive APTT) and DRVVT screen, mixing study if screening tests are prolonged; confiramtion if the mixing study does not coorelate. |
| Test Use: | The qulaitative detection of lupus anticoaulants in plasma |
| Additional Information: | Patient preparation: Avoid warfarin (Coumadin) therapy for 2 weeks and heparin therapy for 2 days prior to the test. If reflex testing is performed, additional charges/CPT code9s) may apply |
| Testing Includes: | Specimen sent to LabCorp. LabCorp test # 117892.
Qualitative detection of lupus anticoagulants. |
| Testing Facility: | LabCorp |