University Hospital New Jersey

Site: Newark, New Jersey

Participating Hospital: University Hospital (Newark, New Jersey)

Case Definition: Hospital visits involving a patient aged 18 years or older presenting to the emergency department with either 1) an ICD-10-CM T36-50 diagnosis code (any intent or encounter type) AND a complaint of “Drug Overdose“; or 2) an ICD 10-CM T36-T50 initial encounter diagnosis code of poisoning with accidental (unintentional), intentional self-harm, or undetermined intent. Initial encounter with accidental/unintentional; intentional self-harm, or undetermined intent were defined as cases with T36–T50  ICD-10-CM  with a seventh character of “A” (initial encounter) and a  sixth character of  “1” (accidental/unintentional ); “2” (intentional self-harm); or “4” (undetermined)  (exceptions for T36.9, T37.9, T39.9, T41.4, T42.7, T43.9, T45.9, T47.9, and T49.9, which were included if the code had a fifth character of  “1”, “2”, or “4”).

Any ED Visit with an overdose term reported in any complaint field was included in the dataset; the following term was considered a valid overdose term: “Drug Overdose”. Any ED Visit with a Naloxone term reported in any complaint field would also be included in the dataset; however, no Naloxone terms were reported for this site.

Note that persons who visit the ED multiple times are counted each time as a separate visit.

EHR Case Information Provided to EDDS: Arrival date (month/year), departure date (month/year); ED disposition, patient chief complaint(s), diagnose(s) and ICD-10-CM diagnostic code(s), age, race/ethnicity, sex, zip code of residence, and, when available, COVID-19 test results; and urine drug screen results for 8 drugs (i.e.., Amphetamines, Barbiturates, Benzodiazepines, Cannabinoids, Cocaine, Methadone, Opiates, and PCP).

Data Collection Beginning: January 2016

Data Collection Frequency: Quarterly

The EDDS project is funded by the Executive Office of the President, Office of National Drug Control Policy (ONDCP) Cooperative Agreement #G2099ONDCP09A. The content is solely the responsibility of CESAR and does not necessarily represent the official views of the ONDCP, any other agency of the Federal Government, or the University Hospital (Newark, New Jersey).