Hexagonal Phase Confirmation

Clinical Significance

This test is useful in determining the presence of the lupus anticoagulant that is associated with increased risk of thrombosis.

Specimen Requirements

1.5 mL Platelet Poor Plasma from a Blue Top Tube - 3.2% Buffered Sodium Citrate in a Plastic Vial 

Transport And Storage

Unacceptable Ambient
Unacceptable Refrigerated
90 days Frozen

Freeze immediately and ship on dry ice.

Collection Instructions

Centrifuge light blue-top tube 15 minutes at approximately 1500 g within 60 minutes of collection. Using a plastic pipette, remove plasma, taking care to avoid the WBC/platelet buffy layer and place into a plastic vial. Centrifuge a second time and transfer platelet-poor plasma into a new plastic vial. Plasma must be free of platelets (<10,000/mcL).

Minimum Volume

0.5 mL Platelet Poor Plasma

Neonatal Volume

Reference Range:

Negative

Methodology:

• Clot Detection

Clinical Significance

This test is useful in determining the presence of the lupus anticoagulant that is associated with increased risk of thrombosis.

CDM

00913333

CPT Coding

85598