Computerized Provider Order Entry (CPOE) systems comprise clinical applications that enable clinicians (e.g., physicians, nurses, therapists, pharmacists) to enter orders (for tests, medications, services, or other clinical processes) for further processing (storage in a database for record-keeping, routing/communicating to someone or a system performing the test or procedure, for further service delivery). Go to Architecture of Heath IT for an overall perspective. To read more click here. Source: AHRQ