Prothrombin Time (PT)

Prothrombin Time (PT)

Test Name:Prothrombin Time (PT)
MRP:350
Parameters:
Method:Coagulometry
Sample Type:4 ml. (3 ml. Minimum) PPP (Platelet Poor Plasma) from 2 Sodium Citrate tubes prepared within 1 hr of collection. Aliquot PPP in 2 transport vials and FREEZE.
Sample Collection Instructions:Preparation of PPP :
12 -14 Hrs. (Overnight) fasting is preferred. Centrifuge the blood sample at 3000rpm for 10 minutes within 1 hr. of collection to separate the plasma. Transfer the Plasma obtained to a clean plastic tube using plastic tipped pipette avoiding buffy coat & centrifuge it again at 3700 rpm & finally transfer the PPP into fresh, clean & labelled plastic tubes which contains <10,000 cells/cu. mm. DULY FILLED COAGULATION REQUISITION TO BE ATTACHED TAT/Reported on:Same Working Day by 7pm Department:Haematology