5.0
ADT Transaction, Trigger Events and Message
Definitions
Most often, the information is
entered into an ADT system, passed
to the nursing, ancillary and financial systems
in the form of an unsolicited update to a
record-oriented query.
The following are a list of trigger events,
and the supported message segments. Each ADT
message sent is associated with an event.
5.1
Event A01-Admit Patient (ADT^A01)
An A01
signals the beginning of a patient's stay
in a health care facility. This event is used
for "Admitted" patients only. When
this information is entered into the ADT
system it is sent to the nursing units and
ancillary systems. For example, an A01
notifies the pharmacy system that the patient
may be prescribed drugs and the nursing system
that the patient needs a care plan prepared.
Then the finance system is notified to start
the billing period, the dietary system that
the patient requires dietary services and
continues on until all the appropriate systems
have been notified.
The Admit message is as follows:
MSH..EVN..PID..[{NK1}]..[PV1]..[PV2]..[{AL1}]..[{DG1}]..[{PR1}]..[{GT1}]..[{IN1}]..[ACC]..[UB1]..[UB2]
5.2
Event A02-Transfer Patient (ADT^A02)
When a patient is changing
his or her physical location an event
A02 is
used. It is recommended that the
A02 be
issued only for a real change in the bed count
in the ADT system. For example, an
A02
can be used to notify laboratory, radiology,
and pathology that the patient has changed
locations and test results should be redirected.
This continues until all systems are notified.The
Transfer
message is as follows:
MSH..EVN..PID..[PV1]
5.3 Event
A03-Discharge Patient (ADT^A03)
An A03
event signals the end of a patient's stay
in the health care facility. The patient is
"discharged". For example, this
event notifies the pharmacy that the patient's
stay is over. The nursing system is notified
that the patient has been discharged, the
finance system that the billing period has
ended for the patient, and continues until
each system has been notified.
The Discharge message is as
follows:
MSH..EVN..PID..[PV1]
