During 2017–2019, 52.9 ED visits per 1,000 persons were related to a diagnosed mental health disorder (MHD) in the United States per year.
Approximately one half of mental health–related visits had a diagnosis of a psychoactive substance use disorder at a rate of 27.1 visits per 1,000 persons per year, followed by an anxiety, stress-related, or other nonpsychotic mental disorder (14.4), mood (affective) disorder (12.6), other MHD (5.3), and schizophrenia, schizotypal, delusional, or other nonmood psychotic disorder (4.0).
Source: National Center for Health Statistics. National Hospital Ambulatory Medical Care Survey, 2017–2019. https://www.cdc.gov/nchs/ahcd/ahcd_questionnaires.htm