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Background: Bariatric surgery is effective for sustained weight loss; however, eating-related behaviors and disorders, such as binge eating disorder (BED), can be associated with poorer outcomes and lead to weight regain. A common measure used to screen for BED is the Binge Eating Scale (BES). In bariatric settings, a BES cutoff score of 17 or higher is suggested for screening in patients who have a high likelihood of meeting BED. The DSM-5 lowered the threshold for meeting criteria for BED and thus the psychometrics of the BES need to be re-evaluated. Methods: One thousand one hundred and thirty-three patients seeking bariatric surgery were randomly split into two samples for validation and replication. The validation sample yielded a sample size of 561 patients (30.1% men, 35% non-White). The replication sample yielded of 572 patients that were demographically similar to the first random split sample (e.g., 25.3% men, 34.4% nonWhite). Results: 13.5% of patients met DSM-5 criteria for BED in the validation sample and 13.8% met criteria for BED in the replication sample. Lowering the interpretative cut-off to > 15 on the BES yielded sensitivity values of >.72, specificity values of > .67, and accurate classification of BED in > .70 of cases across both samples. Conclusions: The BES is appropriate to screen for BED in patients who are seeking bariatric surgery. However, a two-point decrease for clinical interpretation score is appropriate-lowering it from 17 to 15.