In the cardiac suite, an electrophysiologist performs an EP study. With programmed electrical stimulation, the heart is stimulated to induce arrhythmia. Observed is right atrial and ventricular pacing, recording of the bundle of His, right atrial and ventricular recording and left atrial and ventricular pacing and recording from the left atrium. What CPT® coding is reported?
a. 93620, 93618, 93621
b. 93619, 93621
c. 93620, 93621, 93622
d. 93600, 93602, 93603, 93610, 93612, 93618, 93621, 93622