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HAS-BLED Bleeding Risk Score

 

		Hypertension (1 point)
		Abnormal liver function (1 point)
		Abnormal renal function (1 point)
		Stroke (1 point)
		Bleeding tendency or predisposition (1 point)
		Labile INRs in patients taking warfarin (1 point)
		Elderly: age greater than 65 years (1 point)
		Drugs: concomitant antiplatelet agent(s) or NSAIDS (1 point)
		Drugs: alcohol abuse (1 point)

 
Important: Inputs must be complete to perform calculation.

 

Total Criteria Point Count:
 

 

HAS-BLED Score Interpretation

 

0 points:	1.13 bleeds per 100 patient-years
1 point:	1.02 bleeds per 100 patient-years
2 points:	1.88 bleeds per 100 patient-years
3 points:	3.74 bleeds per 100 patient-years
4 points:	8.70 bleeds per 100 patient-years
5 to 9 points:	Insufficient data (high risk)

 

 

Data action

 

     
 
Include literature references: Yes   No

 

References

1. Lip GY. Implications of the CHA(2)DS(2)-VASc and HAS-BLED Scores for thromboprophylaxis in atrial fibrillation. Am J Med. 2011 Feb;124(2):111-4. PubMed ID: 20887966

 

Associated Medical Subject Headings [MeSH]
 

Administration,   Age Factors,   Aged,   Alcohol Drinking,   Anticoagulants,   Atrial Fibrillation,   Diabetes Complications,   Drug Administration Schedule,   Female,   Heart Failure,   Hemorrhage,   Humans,   Hypertension,   International Normalized Ratio,   Male,   Oral,   Predictive Value of Tests,   Propensity Score,   Risk Assessment,   Risk Factors,   Stroke,   Thrombosis

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Associated ICD10-CM Codes
 

	I74.9	Embolism and thrombosis of unspecified artery
	I74.8	Embolism and thrombosis of other arteries
	I67.9	Cerebrovascular disease, unspecified
	I48.91	Unspecified atrial fibrillation

 

Associated ICD9-CM Codes
 

	427.31	Atrial fibrillation
	437.9	Cerebrovasc disease nos
	444.89	Arterial embolism nec
	444.9	Arterial embolism nos