EBMcalc Logo
   INTRO    EQUATIONS    CRITERIA    DECISION    CONVERT    SPECIALTIES    REFS    SEARCH    NEW    FHIR APP    POLICIES    CONTACT
 
  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 PubMed Logo

 
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

 
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

 

 
Legal Notices and Disclaimer

 
All information contained in and produced by the EBMcalc system is provided for educational purposes only. This information should not be used for the diagnosis or treatment of any health problem or disease. THIS INFORMATION IS NOT INTENDED TO REPLACE CLINICAL JUDGMENT OR GUIDE INDIVIDUAL PATIENT CARE IN ANY MANNER. EBMcalc is NOT a medical device. Click here for full notice and disclaimer.
 
EBMcalc is Copyright © 1998-2024 Foundation Internet    [Build 274001 v24.4]