Attendance by a specialist, or consultant physician, in the practice of the specialist's or consultant physician's specialty of geriatric or rehabilitation medicine, as a member of a case conference team, to coordinate a case conference of at least 10 minutes but less than 30 minutes-for any particular patient, one attendance only in a 7 day period (other than attendance on the same day as an attendance for which item 832, 834, 835, 837 or 838 was applicable in relation to the patient) (H)