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344: Factor V Activity, Clotting [344] Print View
Factor V Activity CLOT DET  65 - 150  % normal 

PRIMARY
1 Plasma Citrated 1 (0.5) mL   Frozen - 14 Day(s)  
ALTERNATE

This test is useful to evaluate a prolonged PT. Deficiency is associated with bleeding risk.

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 (<10,000/mcl). Freeze
immediately and ship on dry ice.
Setup Schedule
Tuesday, Thursday, Saturday

Reported (Analytical Time)
Next day

CPT Code
85220

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Reject Criteria: Thawed specimen, Received room temperature, Received refrigerated, Hemolysis Shipping Temperature: Frozen preferred; Room temperature unacceptable; Refrigerated unacceptable






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