what dose to change warfarin to?
 Warfarin Maintenance Dosing and INR Recall Algorithms These algorithms are intended to be used after the patient has gone through the initiation period and a chronic maintenance dose has been established. Target INR 2.5 (Range 2.0-3.0) INR ≤1.5 1.51-1.99 2.00-3.00 3.01-4.00 4.01-4.99 5.00-10.00 >10.00. 