MH issues encountered by ED physicians cover a broad range of diagnoses. Bardach et al. examined MH hospitalizations and identified the following as the most common diagnostic subgroups: depression, bipolar disorder, psychosis, externalizing disorder, anxiety disorder, ADHD, eating disorder, substance abuse, reaction disorder and autism.7 ED visits for MH concerns are often thought to mainly involve suicide attempts, self-harm behavior or psychosis, but a recent study of a large urban pediatric ED found that almost half of the visits were for behavioral problems.8 Preliminary data has described that almost half of the behavioral assessments done at CH in 2013 were on individuals with developmental disorders (i.e. autism spectrum disorders). The number of MH ED visits for behavioral issues is growing, but there is limited information regarding this population.8 Overall, the ED experience has not been well documented based upon diagnostic subgroup, but there are critical differences in MH patients depending on their primary concern, specifically connection to outpatient resources and risk of ED revisit.8,9 In order to more efficiently help MH youth it is crucial to obtain information regarding services, and how this differs by diagnostic subgroup.8