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346: Factor VII Activity, Clotting [346] Print View
Factor VII Activity CLOT DET  60 - 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.
Note: Do not store specimen at 2-8 degrees C as the Factor VII in
the sample may be activated at this temperature range.
Setup Schedule
Tuesday, Thursday, Saturday

Reported (Analytical Time)
Next day

CPT Code
85230

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: Hemolysis, Received room temperature, Received refrigerated, Thawed plasma Shipping Temperature: Frozen preferred; Room temperature unacceptable; Refrigerated unacceptable Frozen -70 degrees: 1 year






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