Note: the service only applies if the patient meets the requirements of the descriptor and the requirements of Note: IR.0.1, IR.1.1 and IR.1.2 Repeat pharmacological or exercise stress echocardiography if: (a) a service to which item 55141, 55145, 55146, or this item, applies has been performed on the patient in the previous 24 months; and (b) the patient has symptoms of ischaemia that have evolved and are not adequately controlled with optimal medical therapy; and (c) the service is requested by a specialist or a consultant physician; and (d) the service is not associated with a service to which: (i) item 11704, 11705, 11707, 11714, 11729 or 11730 applies; or (ii) an item in Subgroup 3 applies Applicable not more than once in a 12 month period (R)