Dates are easily miscalculated, confused or forgotten. This calculator helps quickly check which day of the week (Friday etc) should be the last dose
Creatinine Clearance > 50ml/min1
Period to Withhold Anticoagulant Before Surgery
Low Risk of Surgical Bleeding
High Risk of Surgical Bleeding
Neuraxial Procedure
Rivaroxaban
Withhold 24 hours(Last dose Day -2, ie )
Withhold 2-3 Days(Last dose Day -3 or Day -4, ie or )
Withhold 3 Days(Last dose Day -4, ie )
Dabigatran
CrCl ≥ 80: Withhold 24 hours(Last dose Day -2, ie )
CrCl 50-80: Withhold 24-48 hours(Last dose Day -2 or Day -3, ie or )
CrCl ≥ 80: Withhold 2 Days(Last dose Day -3, ie )
CrCl 50-80: Withhold 2-3 Days(Last dose Day -3 or Day -4, ie or )
CrCl ≥ 80: Withhold 3 Days(Last dose Day -4, ie )
CrCl 50-80: Withhold 4 Days(Last dose Day -5, ie )
Apixaban
Creatinine Clearance 30-49ml/min2
Withhold 48 hours(Last dose Day -3, ie )
Withhold 2-3 days(Last dose Day -3 to Day -4, ie or )
Withhold 4 Days(Last dose Day -5, ie )
Withhold 5 Days(Last dose Day -6, ie )
Withhold 2 days(Last dose Day -3, ie )
Creatinine Clearance > 50ml/min3
Withhold 24 hours(Last dose Day -2)
Withhold 2-3 Days(Last dose Day -3 or Day -4)
Withhold 3 Days(Last dose Day -4)
CrCl ≥ 80: Withhold 24 hours(Last dose Day -2)
CrCl 50-80: Withhold 24-48 hours(Last dose Day -2 or Day -3)
CrCl ≥ 80: Withhold 2 Days(Last dose Day -3)
CrCl 50-80: Withhold 2-3 Days(Last dose Day -3 or Day -4)
CrCl ≥ 80: Withhold 3 Days(Last dose Day -4)
CrCl 50-80: Withhold 4 Days(Last dose Day -5)
Creatinine Clearance 30-49ml/min4
Withhold 48 hours(Last dose Day -3)
Withhold 2-3 days(Last dose Day -3 to Day -4)
Withhold 4 Days(Last dose Day -5)
Withhold 5 Days(Last dose Day -6)
Withhold 2 days(Last dose Day -3)
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