TELEPHONE EVALUATION AND MANAGEMENT SERVICE BY A PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROFESSIONAL WHO MAY REPORT EVALUATION AND MANAGEMENT SERVICES PROVIDED TO AN ESTABLISHED PATIENT, PARENT, OR GUARDIAN NOT ORIGINATING FROM A RELATED E/M SERVICE PROVIDED WITHIN THE PREVIOUS 7 DAYS NOR LEADING TO AN E/M SERVICE OR PROCEDURE WITHIN THE NEXT 24 HOURS OR SOONEST AVAILABLE APPOINTMENT; 21-30 MINUTES OF MEDICAL DISCUSSION