A sample tube holder (40) includes an elongated body (42) with an open end (46) suitable for receiving sample vials. A lid (50) is pivotally attached to body and movable to a position over the open end. The lid includes an aperture (62) that is configured to allow a portion of a vascular access needle assembly to extend through the aperture while an access needle (20) and needle protector (34) portion of the assembly are captured and confined within the body to afford added protection against accidental needle sticks.