Resources » ISTH Bleeding Assessment Tool

International Society on Thrombosis and Haemostasis/Scientific and Standardization Committee Bleeding Assessment Tool (ISTH BAT)

Rodeghiero F, Tosetto A, Abshire T, Arnold DM, Coller B, James P, Neunert C, Lillicrap D on behalf of the ISTH/SSC Joint VWF and Perinatal/Pediatric Haemostasis Subcommittees Working Group

Questionnaire and scoring sheet

N.B.: These scores are posted with the permission of the developers.


The ISTH BAT is intended to be used in children and adults to diagnose mild bleeding disorders. The target population is patients who are being evaluated for a bleeding disorder for the first time.1

Contact person:
F Rodeghiero: [email protected]
ISTH-BAT Standing Committee:

Date of this review: August 20, 2013
Updated: April 2014