Abstract: A medical fluid line connector includes a main body configured to accept a corresponding connector, where the main body defines an opening permitting fluid communication between an interior region of the medical fluid line connector and the corresponding connector when the corresponding connector is connected to the main body. The connector also includes a breakaway body detachably connected to the main body, such that, when the breakaway body is inserted into an open end of a flexible medical fluid line, the breakaway body has a portion creating an interference fit against an inner surface of the flexible medical fluid line, and the breakaway body is detachable from the maim body such that detachment of the breakaway forms a second opening in the main body that permits fluid communication between the medical fluid line and the interior region of the medical fluid line connector.