… This report describes trends in rates of EMS encounters for nonfatal opioid-involved
overdoses per 10,000 total EMS encounters (rates) by selected patient- and county-level
characteristics during January 2018–March 2022 in 491 counties from 21 states using data
from biospatial, Inc.* During this period, the … Increases in nonfatal opioid-involved
overdose EMS encounters through Q3 2020 are consistent with increases in nonfatal opioid-involved
overdoses treated in EDs (1) and synthetic opioid-involved overdose deaths.**** Nonfatal …

The number of nonfatal opioid-involved overdoses treated by health care providers has
risen in the United States; the median number of emergency department (ED) visits for these
overdoses was significantly higher during 2020 than during 2019 (1). ED visit data can
underestimate nonfatal opioidinvolved overdose incidence because, increasingly, persons
experiencing a nonfatal opioid overdose are refusing transport to EDs by emergency
medical services (EMS)(2). A study in Kentucky found that during a 6-month period, 19.8% of …