A computable case definition for patients with SARS-CoV2 testing that occurred outside the hospital.
Lijing WangAmy R ZipurskyAlon GevaAndrew J McMurryKenneth D MandlTimothy A MillerPublished in: JAMIA open (2023)
COVID-19 cases that had testing done outside of the hospital can be reliably detected from the text in EHRs. Training on a proxy dataset was a suitable method for developing a highly performant classifier without labor-intensive labeling efforts.