C7522 HCPCS - CATHETER PLACEMENT IN CORONARY ARTERY(IES) FOR CORONARY ANGIOGRAPHY, INCLUDING INTRAPROCEDURAL INJECTION(S) FOR CORONARY ANGIOGRAPHY, IMAGING SUPERVISION AND INTERPRETATION WITH RIGHT HEART CATHETERIZATION, WITH INTRAVASCULAR DOPPLER VELOCITY AND/OR PRESSURE DERIVED CORONARY FLOW RESERVE MEASUREMENT (INITIAL CORONARY VESSEL OR GRAFT) DURING CORONARY ANGIOGRAPHY INCLUDING PHARMACOLOGICALLY INDUCED STRESS