Factor II Activity, Clotting

Last Modified: 8/31/2023 3:20:02 PM


Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:  
Specimen Requirements:

1.0 mL frozen platelet poor plasma from a Blue Top Tube - 3.2% Na Citrate in a Plastic Vial
Collection Instructions: 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. 

Avoid Hemolysis 
Minimum Volume: 0.5 mL plasma
Transport & Storage: Temperature/Stability: 14 days Frozen
Reference Range: 70% - 150%
Critical Ranges:  
Test Comments:  
Methodology: Photometric Clot Detection
Clinical Significance:  
Documentation:  
Custom Panel: No

PRODUCTION SCHEDULE

Turn Around Time: 4 to 7 days
Days Performed: Monday, Tuesday, Wednesday, Thursday, Friday
Sites Performed: Quest - Chantilly
PHL Test Code: FACT2
EPIC Test Code: LAB303
Send Out Test Code: 331
Alternate Test Names: Coag Factor II Activity, Prothrombin; Factor II Functional; Factor II, Clotting
Included Tests:  
CPT Coding: 85210

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