Protein C activity

Alphabetical Test listing

Protein C activity-5756

  
Protein C activity
  
5756
  
85303.0
  
PRC
  
Protein C functional
  

Patient cannot be on Coumadin, Lepirudin, or Argatroban

  
Sodium citrate (Na cit) plasma
  
  
1.5 mL
  
  • Patients on Heparin must be drawn just prior to next dose; do not draw immediately after dose.
  • Sample may be drawn 5 days after coumadin has been stopped or 48 hours after Vit K administration.
  • Do not over or under fill tube as the ratio of anticoagulant to whole blood is critical

Coag – tube fill guidelines

  • If the patient has a hematocrit >55, a specially prepared Lt blue Sodium citrate (NaCit) tube must be used in place of the standard Lt blue Sodium citrate (NaCit) tube.

Hematocrit-Anticoagulant adjustments

  • Mix by gentle inversion 3 - 4 times
  
  

Microcentrifuge vial/tube in a Snap cap conical vial/tube and cap (Beaker sites)

     

   

Coagulation specimen transport vial/tube  (all other sites)

           

                

  

Frozen (strict)

Refrigerated - NO

  
  • Specimens collected in Greiner tubes
  • Improper labeling (unlabeled or mislabeled)
  • Improper anticoagulant
  • Improperly filled tube
  • Hemolysis
  • Clotted specimen
  • Delay in transport
  • Improper storage/transport temperature
  • Patient on heparin > 1.0 IU/mL
  
AHL - Coagulation/Special Coagulation: V
  
Varies: 1 - 2 times/wk
Available STAT
  
3 - 5 days
  

Chromogenic assay

  

70 - 150%

  
85303
  
11/30/2001
  
01/13/2021
  
02/18/2020