Result Test Name
PTT-LA SCREEN
Laboratory
QUEST LAB
Result Test Code
123013600
Laboratory Test Name
PTT-LA with Reflex to Hexagonal Phase Confirmation (Quest)
Reportable Test Name
-
Result LOINC
34571-0
Collection Container
Lt Blue Top-Citrate
Units
sec
Collection Requirements
Preferred Specimen(s) 1.5 mL frozen platelet-poor plasma collected in a 3.2% sodium citrate (light blue-top) tube Minimum Volume 0.5 mL Collection Instructions Platelet-poor plasma: Centrifuge light blue-top tube for 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 (<10000/mcL). Freeze immediately and ship on dry ice.
Container Temp
Frozen (2)
Container Volume
1.500
Test Info
-
Shipping Instructions
Transport Container Transport tube Transport Temperature Frozen Specimen Stability Room temperature: Unacceptable Refrigerated: Unacceptable Frozen: 90 days Reject Criteria Hemolysis