PT (INR)

About This Test
Prothrombin time (PT/INR) checks how quickly your blood clots. It’s essential for people on warfarin and helps investigate bleeding or liver problems.

Patient Preparation
Fasting not required. Follow specific doctor instructions.

Best Time to Test
Anytime

Tests Included
PT (INR)

Why is it done
Part of targeted screening based on symptoms or risks.
Helps confirm or rule out suspected conditions.
Guides treatment decisions and follow‑up.
Sometimes used to monitor response to therapy.