Computerized physician order entry is a process by which medical professionals issue instructions and prescriptions to patients and other medical personnel electronically. The electronically issued orders are then processed through a computer network and sent to the concerned medical department (including radiology, laboratory and pharmacy) to carry out the order.

CPOE has various advantages over manual record keeping. It is a quick process and utilizes resources efficiently. It helps to reduce errors related to handwriting, and also provides error checking in case any incorrect doses are prescribed.