Atrial septal defect or patent foramen closure: (a) for congenital heart disease in a patient with documented evidence of right heart overload or paradoxical embolism; and (b) using a septal occluder or similar device, by transcatheter approach; and (c) including right or left heart catheterisation (or both); other than a service associated with a service to which item 38200, 38203, 38206 or 38254 applies (H) (Anaes.) (Assist.)