Cardiac electrophysiological study for: (a) the investigation of supraventricular tachycardia involving 4 or more catheters; or (b) complex tachycardia inductions; or (c) multiple catheter mapping; or (d) acute intravenous anti‑arrhythmic drug testing with pre and post drug inductions; or (e) catheter ablation to intentionally induce complete atrioventricular block; or (f) intraoperative mapping; other than a service associated with a service to which item 38209 or 38213 applies (H) (Anaes.)