Weekday to Stop DOAC from Date of Surgery

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Dates are easily miscalculated, confused or forgotten. This calculator helps quickly check which day of the week (Friday etc) should be the last dose

Date of Surgery

Weekday of last dose can be calculated if Procedure Date provided

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Day -1

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Day -2

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Day -3

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Day -4

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Day -5

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Day -6

	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	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 )

	Creatinine Clearance 30-49ml/min²
	Period to Withhold Anticoagulant Before Surgery
	Low Risk of Surgical Bleeding	High Risk of Surgical Bleeding	Neuraxial Procedure
Rivaroxaban	Withhold 48 hours (Last dose Day -3, ie )	Withhold 3 Days (Last dose Day -4, ie )	Withhold 3 Days (Last dose Day -4, ie )
Dabigatran	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 )
Apixaban	Withhold 2 days (Last dose Day -3, ie )	Withhold 3 Days (Last dose Day -4, ie )	Withhold 4 Days (Last dose Day -5, ie )

	Creatinine Clearance > 50ml/min³
	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)	Withhold 2-3 Days (Last dose Day -3 or Day -4)	Withhold 3 Days (Last dose Day -4)
Dabigatran	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)
Apixaban	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)

	Creatinine Clearance 30-49ml/min⁴
	Period to Withhold Anticoagulant Before Surgery
	Low Risk of Surgical Bleeding	High Risk of Surgical Bleeding	Neuraxial Procedure
Rivaroxaban	Withhold 48 hours (Last dose Day -3)	Withhold 3 Days (Last dose Day -4)	Withhold 3 Days (Last dose Day -4)
Dabigatran	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)
Apixaban	Withhold 2 days (Last dose Day -3)	Withhold 3 Days (Last dose Day -4)	Withhold 4 Days (Last dose Day -5)

Creatinine Clearance > 50ml/min⁵
Period to Withhold Anticoagulant Before Surgery
Rivaroxaban
Low Risk of Surgical Bleeding	Withhold 24 hours (Last dose Day -2)
High Risk of Surgical Bleeding	Withhold 2-3 Days (Last dose Day -3 or Day -4)
Neuraxial Procedure	Withhold 3 Days (Last dose Day -4)

Dabigatran
Low Risk of Surgical Bleeding	CrCl ≥ 80: Withhold 24 hours (Last dose Day -2) CrCl 50-80: Withhold 24-48 hours (Last dose Day -2 or Day -3)
High Risk of Surgical Bleeding	CrCl ≥ 80: Withhold 2 Days (Last dose Day -3) CrCl 50-80: Withhold 2-3 Days (Last dose Day -3 or Day -4)
Neuraxial Procedure	CrCl ≥ 80: Withhold 3 Days (Last dose Day -4) CrCl 50-80: Withhold 4 Days (Last dose Day -5)

Apixaban
Low Risk of Surgical Bleeding	Withhold 24 hours (Last dose Day -2)
High Risk of Surgical Bleeding	Withhold 2-3 Days (Last dose Day -3 or Day -4)
Neuraxial Procedure	Withhold 3 Days (Last dose Day -4)

Creatinine Clearance 30-49ml/min⁶
Period to Withhold Anticoagulant Before Surgery
Rivaroxaban
Low Risk of Surgical Bleeding	Withhold 48 hours (Last dose Day -3)
High Risk of Surgical Bleeding	Withhold 3 Days (Last dose Day -4)
Neuraxial Procedure	Withhold 3 Days (Last dose Day -4)

Dabigatran
Low Risk of Surgical Bleeding	Withhold 2-3 days (Last dose Day -3 to Day -4)
High Risk of Surgical Bleeding	Withhold 4 Days (Last dose Day -5)
Neuraxial Procedure	Withhold 5 Days (Last dose Day -6)

Apixaban
Low Risk of Surgical Bleeding	Withhold 2 days (Last dose Day -3)
High Risk of Surgical Bleeding	Withhold 3 Days (Last dose Day -4)
Neuraxial Procedure	Withhold 4 Days (Last dose Day -5)

Creatinine Clearance > 50ml/min⁷
Period to Withhold Anticoagulant Before Surgery
Rivaroxaban
Low Risk of Surgical Bleeding	Withhold 24 hours (Last dose Day -2, ie )
High Risk of Surgical Bleeding	Withhold 2-3 Days (Last dose Day -3 or Day -4, ie or )
Neuraxial Procedure	Withhold 3 Days (Last dose Day -4, ie )

Dabigatran
Low Risk of Surgical Bleeding	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 )
High Risk of Surgical Bleeding	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 )
Neuraxial Procedure	CrCl ≥ 80: Withhold 3 Days (Last dose Day -4, ie ) CrCl 50-80: Withhold 4 Days (Last dose Day -5, ie )

Apixaban
Low Risk of Surgical Bleeding	Withhold 24 hours (Last dose Day -2, ie )
High Risk of Surgical Bleeding	Withhold 2-3 Days (Last dose Day -3 or Day -4, ie or )
Neuraxial Procedure	Withhold 3 Days (Last dose Day -4, ie )

Creatinine Clearance 30-49ml/min⁸
Period to Withhold Anticoagulant Before Surgery
Rivaroxaban
Low Risk of Surgical Bleeding	Withhold 48 hours (Last dose Day -3, ie )
High Risk of Surgical Bleeding	Withhold 3 Days (Last dose Day -4, ie )
Neuraxial Procedure	Withhold 3 Days (Last dose Day -4, ie )

Dabigatran
Low Risk of Surgical Bleeding	Withhold 2-3 days (Last dose Day -3 to Day -4, ie or )
High Risk of Surgical Bleeding	Withhold 4 Days (Last dose Day -5, ie )
Neuraxial Procedure	Withhold 5 Days (Last dose Day -6, ie )

Apixaban
Low Risk of Surgical Bleeding	Withhold 2 days (Last dose Day -3, ie )
High Risk of Surgical Bleeding	Withhold 3 Days (Last dose Day -4, ie )
Neuraxial Procedure	Withhold 4 Days (Last dose Day -5, ie )