Utilizing Laboratory Results to Identify Emergency Department Patients with Indications for HIV Pre-Exposure Prophylaxis

People newly diagnosed with HIV often have previous contact with health care professionals, often on multiple occasions, including within emergency departments (EDs). Although EDs have become vital partners in routine screening and linkage to care for persons with HIV, ED engagement in HIV prevention efforts, to include HIV risk assessment and pre-exposure prophylaxis (PrEP) referral, are rare. In this study, we electronically queried the hospital electronic health record (EHR) for ED encounters in 2019 and 2020 for patients who screened negative for HIV (