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Factor II Activity
Test Code30744
CPT Codes
85210<br /> Limited Access Code
Preferred Specimen
1 mL platelet-poor plasma collected in 3.2% sodium citrate (light blue-top) tube
Minimum Volume
0.5 mL
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 WBS/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). Freeze immediately and ship on dry ice.
Refer to Quest Diagnostics Directory of Services under Specimen Collection section, Coagulation Testing for further information on specimen processing.
Refer to Quest Diagnostics Directory of Services under Specimen Collection section, Coagulation Testing for further information on specimen processing.
Transport Container
Plastic vial
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen -20°C: 14 days
Frozen -70°C: 1 year
Refrigerated: Unacceptable
Frozen -20°C: 14 days
Frozen -70°C: 1 year
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed specimens
Methodology
Photometric Clot Detection
Setup Schedule
Set up: Mon-Fri; Report available: Next day
Reference Range
70-150 % of normal
