Data elements that meet criteria using this datatype should document the completion of the diagnostic study indicated by the QDM category and its corresponding value set. Timing: The Relevant Period addresses: startTime – when the diagnostic study is initiated stopTime – when the diagnostic study is completed Examples: 1) Initiation of a treadmill stress test to the time the treadmill stress test has completed. 2) Initiation of the ultrasound study until completion of the ultrasound study