“…The mental health diagnostic categories (examined through International Statistical Classification of Diseases and Related Health Problems-10 codes) included in this study were serious mental illness (SMI; schizophrenia spectrum or bipolar spectrum disorder), substance use disorder (SUD), generalized anxiety disorder (GAD), depressive disorders, personality disorders (PDs), eating disorders, and obsessive-compulsive disorder (OCD) diagnosis. These categories are in line with previous administrative data analyses focused on PTSD treatment utilization patterns in VA (e.g., Sripada et al, 2017Sripada et al, , 2019 and were retained due to high levels of cooccurrence with either or both PTSD (Brady et al, 2000) and SMI (Bowersox et al, 2017). The receipt of an electronic marker on veterans' medical charts indicating that they were deemed at acute or high risk of death by suicide or who "present an immediate safety risk for seriously disruptive, threatening, or violent behavior" (U.S. Department of Veterans Affairs and Veterans Health Administration, 2010, p. 2) in the facility were also included, the latter indicated by receipt of a disruptive behavioral flag (BDF) which can be given following patient verbal or physical aggression (Weinberger et al, 2018).…”