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8757: Protein C Activity and Antigen (8757X) Print View
Protein C Activity CLOTTING  70 - 180  % normal 
Protein C Antigen EIA  70 - 140  % normal 

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

Comprehensive test assesses the total level of protein and its functional activity in determining Protein C deficiency, which is strongly prothrombotic, and may require longterm anticoagulation therapy. In the presence of low Protein C Activity, Protein C Antigen helps to confirm and to classify Protein C Deficiency as Type I or Type II. Protein C is a highly thrombophilic protein.

1 mL (0.5) plasma collected in 3.2% sodium citrate (Lt. blue-top)
tube [x2]
`<
Draw blood in a light blue-top tube containing 3.2% sodium citrate,
mix gently by inverting 3-4 times. Centrifuge 15 minutes at 1500 g
within one hour 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(s). Freeze immediately and transport
on dry ice. `<
-70 degrees: 1 year
`<
Reject Criteria: Thawed plasma
Setup Schedule
Monday-Saturday

Reported (Analytical Time)
3 days

CPT Codes
85303,85302

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.






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