CODED PROCEDURE TIMESTAMP (RADIOTHERAPY EXPOSURE) is the date, time and time zone that the Radiotherapy Exposure was initiated at the Radiotherapy Attendance.

A Timestamp is represented with the components of date, time and either the number of hours offset (plus or minus) from Greenwich Mean Time, or the letter Z to signify that it is the same as Greenwich Mean Time.

In most cases offset time is restricted to:

• +01:00
• +00:00
• -00:00

Examples of valid formats are:

• 2022-12-01T10:15:20+01:00 British Summer Time (GMT + 1 Hour)
• 2022-12-01T10:15:20+00:00 Greenwich Mean Time
• 2022-12-01T10:15:20-00:00 Greenwich Mean Time
• 2022-12-01T09:18:00Z Greenwich Mean Time.

This data element is also known by these names:

Context	Alias
plural	CODED PROCEDURE TIMESTAMPS (RADIOTHERAPY EXPOSURE)