Medicant reconstitution container and system

A medicant reconstitution system is provided which has a generally flexible fluid bag with associated administration and reconstitution ports. The reconstitution port is adapted for receiving a medicant container and the administration port is for administering a medical fluid to a patient. According to one aspect of the present invention, the administration and reconstitution ports are integrated in a relatively rigid port structure. According to another aspect of the present invention, the reconstitution port receives a piercing member which is rotatable to a selected position to establish fluid flow. According to yet another aspect of the present invention, one of the reconstitution port and the piercing member includes a cutting edge, while the other includes a frangible member. Contact between the cutting edge and the frangible member opens the frangible member to establish fluid flow.