Collect specimen 8 hours post infusion start or adjustment.
Do not over or underfill tube as the ratio of anticoagulant to whole blood is critical (see Additional Info link) Greiner tubes are not acceptable
Process Platelet Poor Plasma (P.P.P) following the linked instructions. Basic Coagulation Specimen Processing Instructions
Separate plasma into two (2) 1 mL aliquots, label as "NaCi Plasma P.P.P" and freeze immediately.
Specimens will be rejected if hemolyzed, or patient on heparin > 1.0 IU/mL.