The definition of the enumerated values for Current Treatment Status (3008,0200) are defined as follows:
NOT_STARTED Patient has not yet begun treatment.
ON_TREATMENT Patient is currently undergoing treatment.
ON_BREAK Patient is currently not undergoing treatment, but a resumption date is known.
SUSPENDED Patient is currently not undergoing treatment, but resumption of treatment is planned at an unknown date.
STOPPED Patient has stopped treatment without completing the planned course.
COMPLETED Patient completed the planned course of treatment.
A change in the Current Treatment Status (or any other field) in a RT Treatment Summary Record Object shall define a new instance of the RT Treatment Summary Record IOD.