
The PT/INR test checks to see how fast your blood clots. Your healthcare provider will decide what PT/INR numbers are best for you. Your dose of COUMADIN will be adjusted to keep your PT/INR in a target range for you.
| What is the Coumadin blood test and what is it used for? | |
| When is Coumadin (PT/INR) Test ordered? | |
| How often do I have my blood tested? | |
| Why should you prefer ANY LAB TEST NOW ® | |