pt (prothrombin time)
HematologyBlood sampleResults 24 hrsNo fasting
PT (Prothrombin Time)
Measures how long your blood takes to clot through one part of the clotting pathway. A common coagulation screen.
Sample
Blood
Results
24 hrs
Fasting
Not required
Follow-up
Optional add-on
What this test detects
Prothrombin time
Clot-based coagulometry
Seconds (with INR)
When to get this test
Clotting assessment
Evaluates how well one part of your blood's clotting system is functioning.
Bleeding work-up
Helps investigate unexplained bruising or prolonged bleeding.
Pre-procedure check
Sometimes requested before certain procedures to assess clotting.
How to prepare
01
No special preparation needed.
Common questions
What does PT measure?
It measures the time your blood takes to clot through a specific pathway, helping assess clotting function.
Do I need to fast for PT?
No fasting is needed. You can eat and drink as usual.