private static Message createADT01Message() throws Exception {
ADT_A01 adt = new ADT_A01();
adt.initQuickstart("ADT", "A01", "P");
// Populate the PID Segment
PID pid = adt.getPID();
pid.getPatientName(0).getFamilyName().getSurname().setValue("Doe");
pid.getPatientName(0).getGivenName().setValue("John");
pid.getPatientIdentifierList(0).getID().setValue(PATIENT_ID);
return adt;
}