Assessing the diagnostic utility of the Cannabis Use Disorder Identification Test – Revised (CUDIT-R) among veterans with medical and non-medical cannabis use

•Among a sample of cannabis using Veterans, 38.9% reported any DSM-5 CUD.•We estimated an optimal CUDIT-R score of 10 to identify any CUD among the sample.•We estimated optimal CUDIT-R scores for moderate (12) and severe CUD (14).•Medical cannabis card holders showed greater CUDIT-R cutoff values than those without.•Estimated CUDIT-R validity was greatest among non-card holders.