The specimen (or test) requisition is an order form that is sent to the laboratory along with a specimen. Often the requisition is a hard (paper) copy of the physician's orders and the patient demographic information (e.g., name and hospital number). Sometimes, however, if a hospital information system offers computerized order entry, the requisition is transported to the laboratory electronically. The requisition should contain as much information as possible regarding the patient history, diagnosis, and immunization record. This -information helps the microbiologist to work up the specimen and determine which organisms are significant in the culture. A complete requisition should include the following:
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