Format/length:	n5
HES item:	DETDUR
National Codes:
Default Codes:	99998 - Not applicable (i.e. psychiatric patient not detained, included in census only because of long stay status)
	99999 - Not known (i.e. cannot be derived because one or more dates are unavailable): a validation error

Notes:
The duration is derived from the DATE DETENTION COMMENCED and the date of the census. Enter 00000-29200 in days (approximately 80 years), right justified with preceding zeros. 

This data element is also known by these names:

Context	Alias
plural	DURATION OF DETENTIONS