Source:http://linkedlifedata.com/resource/umls/id/C2985570
NCI: An activity that is anticipated to occur at some time in the future and has been assigned a time or date when that activity is to be performed.,NCI: An activity that is anticipated to occur at some time in the future and has been assigned a time or date when that activity is to be performed. EXAMPLE(S): An X-Ray scheduled for February 15 is in state "Scheduled." If John is unable to have the X-Ray on that date, the X-Ray would either be rescheduled (remain in "Scheduled" state, but "date" attribute would change) or moved to state "Canceled.".