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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)

 
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)

 

 
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. PMID: 20887966 PubMed Logo

 
Associated Medical Subject Headings [MeSH] Terms
 
         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

 
Associated ICD10-CM Codes
 
   I74.9Embolism and thrombosis of unspecified artery
   I74.8Embolism and thrombosis of other arteries
   I67.9Cerebrovascular disease, unspecified
   I48.91Unspecified atrial fibrillation

 
Associated ICD9-CM Codes
 
   427.31Atrial fibrillation
   437.9Cerebrovasc disease nos
   444.89Arterial embolism nec
   444.9Arterial embolism nos

 
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