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PROTHROMBIN TIME STUDIES

Original price was: ₹550.00.Current price is: ₹400.00.

A prothrombin time (PT) test measures how long it takes for blood to clot. It’s a blood test that helps evaluate the ability of blood to clot normally. 

What it measures
  • The time it takes for a blood sample to clot after adding chemicals 
  • The function of clotting factors, which are proteins that help blood clot 

Why it’s done 

    • To diagnose bleeding or blood clotting disorders
  • To check if blood-thinning medications are working properly

How it’s done 

  • A blood sample is drawn from a vein, usually in the arm or hand
  • Chemicals are added to the blood to see how long it takes for a clot to form
Results
  • Normal PT values are 10 to 14 seconds 
  • The international normalized ratio (INR) is a calculation based on the PT result 

Risks 

  • Excessive bleeding
  • Hematoma (blood under the skin)
  • Infection at the puncture site
  • Feeling faint or soreness or pain at the site where blood was drawn

Related tests 

  • Partial thromboplastin time (PTT) is another blood test that measures the function of a different part of the clotting system
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Description

Specimen: 3 mL Whole blood in 1 Blue Top (Sodium Citrate) tube. Mix thoroughly by inversion. 
Stability:
Room Refrigerated Frozen
4 hrs 4 hrs 2 weeks
Method: Photo-optical Clot Detection
Comment:
Price: 350.00
Report: Daily
Usage: Prothrombin time measures the time it takes for plasma to clot when exposed to tissue factor. Since PT comprises reactions of coagulation that occurs in tissue injury & common pathways of coagulation, deficiencies in the activity of Factors II, V, VII, X or fibrinogen may prolong the PT. INR standardizes the reporting of PT values in Warfarin anticoagulated patients.
Doctor Specialty: Hematologist
Disease: Disorders of Coagulation
Components: *Prothrombin Time (PT) *Prothrombin Ratio (PR) *International Normalised Ratio (INR)
Courier Charges: 0.00
Home Collection: Available
Department:
Pre Test Information: Overnight fasting is preferred. Duly filled Coagulation Requisition Form (Form 15) is mandatory.