EMR-based reporting provides substantial additional value over automated Electronic Laboratory Reporting (ELR) alone. Some reportable conditions require clinical data, not available from a laboratory test result. Even for reliably identifiable conditions, ELR typically do not have much of the crucial demographic and clinical information needed by public health agencies, including patient's address, clinical and laboratory history, concomitant medical conditions (including pregnancy status), and treatment. In addition to additional cases, ESP frees up the substantial opportunity cost when these additional data are missing from ELR streams, because they must be collected manually from providers, wasting considerable time and effort.
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