What does this test check?
Prothrombin time (PT) measures how long blood takes to clot. The INR is the same result expressed on a standard scale, so it can be compared between labs.
People on warfarin or acenocoumarol need regular INR checks to keep the dose safe. The test is also done before surgery or procedures, and in liver disease, because the liver makes the clotting factors.
Test details
| Price | ₹450 |
| Sample | Blood |
| Fasting | Not required |
| Report | Same day / within 24 hours, on WhatsApp |
| Home collection | Available across Hyderabad, free on orders above ₹500 |
When should you take it?
- People on warfarin or acenocoumarol
- Before surgery or a procedure
- Liver disease
- Easy bruising or bleeding
Frequently asked questions
How much does the PT/INR test cost in Hyderabad?
The PT/INR test costs ₹450 at Caspian Diagnostic Centre, Vijay Nagar Colony, Hyderabad. There are no hidden charges, and home collection is free on orders above ₹500.
Do I need to fast before this test?
No special preparation or fasting is needed. You can give this sample at any time of day.
When will I get my report?
Most routine reports are delivered the same day or within 24 hours, directly on WhatsApp. Timing can vary for specialised tests, our team will tell you the expected time when you book.
Can I book home sample collection?
Yes, our trained phlebotomists collect samples at your home across Hyderabad, free on orders above ₹500. Choose Home Collection when booking online, or message us on WhatsApp with your area and preferred time.
I am on warfarin. Should I take my dose before the test?
Follow your doctor's instructions. Most patients take the test before their usual daily dose. Bring your current dose details so your doctor can adjust it from the INR.
Related tests & packages
Medically reviewed by Dr Raheel Raza, MBBS, DCP (Gandhi), Consultant Pathologist.