Claims for the unscheduled service benefit (modifier SURC) must meet all of the following conditions:

1. a special call for attendance is made on the patient's behalf;
2. the physician responds to such a call on an unscheduled basis outside of his/her normal working hours;
3. the patient is attended on a priority basis;
4. there is direct attendance by the physician.

Claims for special callbacks must meet all of the following conditions:

1. a special call for attendance is made on the patient's behalf;
2. the physician responds to such a call from outside the hospital, auxiliary hospital, nursing home, AACC or UCC on an unscheduled basis;
3. the patient is attended on a priority basis;
4. there is direct attendance by the physician.