In combination, a blood glucose testing meter comprising a slot for receiving a test strip, a display, one or more control devices, and a battery compartment and a lancing device for releasable coupling to the blood glucose test meter over the battery compartment. The lancing device releasably couples directly to the testing meter over the battery compartment. Optionally, the lancing device is mounted to a mounting clip releasably coupled to the testing meter over the battery compartment. The lancing device comprises a housing, a lancet opening disposed at one end of the housing, an energizing member for charging the lancing device, and a release button for activating a lancet within the lancing device.
