5 Key Takeaways

• 1

  A nontargeted, opt-out HIV screening program in a Detroit ED identified 176 patients with previously undiagnosed HIV from November 2019 to October 2025.

• 2

  The automated electronic advisory prompted testing for patients aged 18 to 65 years, resulting in a 0.23% overall test positivity rate.

• 3

  Sixty-seven percent of diagnoses were made through the BPA system alone, with 59% of patients linking to care within 90 days of diagnosis.

• 4

  The median time from diagnosis to ART initiation was 9 days, with 66% of patients achieving viral suppression at 3 months.

• 5

  Study limitations included potential demographic misrepresentation and lack of data on patients who declined HIV screening.