Rethinking my earlier comment. If you had been off Vit K for two weeks (I don't know if you regularly take it) before the blood draw, then I wouldn't probably INCREASE the dosage...just return to normal.
My experience is that the Vitamin K works pretty fast. My INR has been too high and has "corrected" itself a week later by my taking Vitamin K "more responsibly." One time I got my IVs pulled and sent home from the hospital pre-op area, the other time we checked in advance of a procedure. Both times, my numbers were better in a week.