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About EDDS

Hospital electronic health records (EHR) contain valuable information about patients’ medical history, diagnoses, and treatment. The Emergency Department Drug Surveillance (EDDS) system collects EHR information including patient chief complaint, diag..
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EDDS Research Reports

Maryland Emergency Department Drug Surveillance (EDDS) publications detailing urine drug testing trends in ED populations: EDDS pilot study, brief bulletins for the Baltimore area and Prince George's County, and MMWR Notes from the Field showing Fent..
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EDDS Hospitals - Data

The de-identified urinalysis trends from patients at participating hospitals are updated each quarter and posted on this site. During the COVID epidemic there have sometimes been unavoidable delays in receiving data updates. Four Baltimore area hospi..
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