PROTHROMBIN TIME

Requirements

Sample Required SODIUM CITRATE PLASMA
Preperations Required Sample to be processed within 2 hours and citrate platelets poor plasma required. 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
Gender Male & Female
Age Group 0 - 99 Years
Collection AtHome & Lab

₹ 250

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PROTHROMBIN TIME

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Overview

Prothrombin time is used to identify a deficiency of one or more of the clotting factors of the extrinsic coagulation system (I, II, V, VII, X) due to hereditary deficiency or acquired conditions such as liver disease, vitamin K deficiency, or a specific factor inhibitor. Monitoring patients on oral anticoagulant therapy to maintain a patient in a safe therapeutic range.The prothrombin time is also reported as the INR (International Normalized Ratio), based on the ISI (International Sensitivity Index) Draw 6 mL of whole blood in 2 blue-top (Sodium Citrate) tube and gently mix by inverting. Transport the sample to the lab within 4 hours. If this isn’t possible, prepare PPP within 1 hour: First, centrifuge the sample at 3600 rpm for 15 minutes, then transfer the supernatant to a clean plastic tube. Centrifuge this supernatant again at 3600 rpm for another 15 minutes, and transfer the final supernatant (PPP) into a LABELED, clean plastic screw-capped vial. FREEZE IMMEDIATELY and ship FROZEN. DO NOT THAW.