Data elements that meet criteria using this datatype should document a request for the laboratory test indicated by the QDM category and its corresponding value set. Timing: The time the order is signed; Author dateTime.
The time the data element was entered into the clinical software. Note, some datatypes include both Relevant Time and Author dateTime attributes. The purpose is to accommodate Author dateTime if the actual start and stop times are not available when evaluating for feasibility, and also to allow specification of a time for Negation Rationale.