An intravenous catheter has a tip portion, an extendable portion and a proximal portion attached to a hub. The extendable portion has a refracted position and an extended position. A wire may be incorporated in the intravenous portion. The wire may have a receiver disposed in the tip portion. An extender tool is insertable and removable from the catheter. The extender is dimensioned to engage the receiver upon insertion into said catheter and lengthen the extendable portion of said catheter to said extended position when inserted.