To evaluate a Prolonged PT/APTT. Deficiency is associated with bleeding risk.
Details
Description
Test Code: LH174
Technique: Photo - Optical
Technique: 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.
Technique: (-20C) in dry ice.
Sample Collection Instruction: 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 a 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.
Reported on: 3rd Working Days by 7:00 p.m.
Precaution
Overnight fasting is preferred. Duly filled Coagulation Requisition Form (Form 15) is mandatory. It is recommended that patient discontinues Heparin for 1 day and Oral Anticoagulants for 7 days prior to sampling as these drugs may affect test results. Discontinuation should be with prior consent from the treating Physician.