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.
A statement that asserts the value of a property (observable) of the subject. The subject is often the patient, but may be a condition, a physical structure, or another clinical statement. For example, an interpretation is a finding about an observation.