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The CRASH study examines the experience and treatment of a severe hypoglycemia event (SHE) among people with T1DM (ppl w/T1DM) or insulin-treated ppl w/T2DM and caregivers. The online survey was conducted in 8 countries. To be eligible in the global study, ppl had experienced or cared for a person who had ≥1 SHE in the last 3 years. SHE was defined as low blood glucose requiring assistance for recovery. Here, we report U.S. data for 220 ppl with diabetes (n=110 T1DM; n=110 T2DM). Sixty-five (59.1%) ppl w/T2DM used insulin for >5 years, while mean (SD) duration of diabetes was 30.6 (16.6) years for ppl w/T1DM and 16.0 (8.7) years for ppl w/T2DM. Forty (36.4%) ppl w/T1DM and 22 (20.0%) ppl w/T2DM reported impaired awareness (Gold score ≥4). During the last SHE, glucagon use was low (T1DM [8.2%]; T2DM [3.6%]); reasons for not using glucagon were not having a prescription (T1DM [40.0%]; T2DM [59%]) or it was unavailable (T1DM [20.0%]; T2DM [17.1%]). Also, ppl w/T1DM (75.5%) and ppl w/T2DM (83.6%) reported using oral glucose only for treatment; use of healthcare provider assistance was low. The main causes reported for a SHE were eating less than planned (T1DM [27.3%]; T2DM [47.3%]) or exercising more than planned (T1DM [21.8%]; T2DM [20.0%]). Results indicate that treatment of a SHE mainly occurred outside the healthcare system with fewer ppl having glucagon as an option for recovery. Disclosure F.J. Snoek: Advisory Panel; Self; AstraZeneca, Lilly Diabetes, Novo Nordisk A/S, Roche Diabetes Care. Research Support; Self; Sanofi. Speaker's Bureau; Self; Lilly Diabetes. A. Jiletcovici: Employee; Self; Eli Lilly and Company. D.M. Bushnell: None. C.J. Child: Employee; Self; Eli Lilly and Company. Stock/Shareholder; Self; Eli Lilly and Company. S.K. Bajpai: Employee; Self; Eli Lilly and Company. E. Spaepen: Consultant; Self; Eli Lilly and Company. J. Thomas: Employee; Self; Eli Lilly and Company. Z. Balantac: Other Relationship; Self; Eli Lilly and Company. M. Peyrot: Advisory Panel; Self; Eli Lilly and Company. Consultant; Self; Calibra Medical. Research Support; Spouse/Partner; Eli Lilly and Company. B. Mitchell: Employee; Self; Eli Lilly and Company. Stock/Shareholder; Self; Eli Lilly and Company.