A Clearinghouse for Information about Blood Clots (DVT/)PE) and Clotting Disorders (thrombophilia) provided as a public service by the University of North Carolina Blood Research Center

Tag: Frequency

  • How Often Should the INR be Tested?

    Stephan Moll, MD writes… Traditionally, INR testing in patients on warfarin has been recommended by anticoagulation providers in the U.S. to be done at least once every 4 weeks. However, a recent study showed that testing every 3 months is sufficient