Test Details

Mnemonic

LUPAC

Ordering Code

2500780

CPT-4 Code(s)

85613 (dRVVT Screen), 85730 (PTT screen), plus 85613 (dRVVT 1:1 Mix) and/or 85613 (dRVVT confirm) and/or 85598 (Hexagonal Phospholipid neutralization) and/or 85732 (PTT1:1 Mix) as appropriate, at additional cost

Specimen Information

Patient Preparation

Patient should not be on warfarin (Coumadin®) therapy for 2 weeks or heparin therapy for 2 days prior to the test. If the patient is currently on warfarin or heparin, this should be noted, as warfarin or heparin therapy can affect certain coagulation factors or assays, preclude their performance, or cause spurious results.
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Collect

Light blue 3.2 % sodium citrate
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Specimen Preparation

Send 3.0 mL plasma frozen in a screw-capped plastic vial. CRITICAL FROZEN.
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Minimum Volume

2.0 mL
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Transport Temperature

Critical frozen
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Rejection Criteria

Hemolyzed specimen, thawed specimen, refrozen specimen, serum
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Stability

Room temperature: 8 hours
Refrigerated: Unacceptable
Frozen: 30 days
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Methodology

Clotting
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Reference Range

Negative
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Performing Laboratory

Warde Medical Laboratory
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