C37939Level 4

Date and Time

**Semantic type:** Temporal Concept

**Definition:** An expression of both date and time that an event has happened or will happen.

**Synonyms:** - Date/Time

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C117450Date and Time of Death

C142558First Subject In Date Time

C142560First Subject Screened Date Time

C142562First Subject Treated Date Time

C142596Last Subject In Date Time

C142598Last Subject Last Visit Date Time

C170501Date Time of Last Study Treatment

C170502Date Time of First Study Treatment

C178988Storage End Date and Time at 2-8 Degrees Celsius

C178989Storage Start Date and Time at 2-8 Degrees Celsius

C185262Biospecimen Portion Creation Date Time

C225582Event Start Date Time

C71158Scheduled Study Activity Date and Time

C82515Collection Date Time

C82516Observation End Date Time

C82517Observation Start Date Time

C82518Reference Date Time

C83217Birth Date and Time

C90379End Date Time Of Dose Interval

C91344Date Time of Angina Pectoris Prompting Medical Attention

C91345Date Time of Most Recent Angina Pectoris

C91346Date Time of Onset of Angina Pectoris

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