PERIPHERAL ARTERIAL OR VENOUS CATHETERISATION with administration of thrombolytic or chemotherapeutic agents, BY CONTINUOUS INFUSION, using percutaneous approach, excluding associated radiological services or preparation, and excluding aftercare (not being a service associated with a service to which another item in Subgroup 11 of Group T1 or items 35319 or 35320 applies and not being a service associated with photodynamic therapy with verteporfin) (Anaes.) (Assist.)