Patent ID: 8333716

Claim:
A method of using an analyte testing device with respect to a body part, comprising: inserting a lancet cartridge into the device; inserting a test unit cartridge into the device, wherein the test unit cartridge comprises a plurality of nonfungible test units including a first test unit type and a second test unit type that are arranged in a stacked configuration within the test unit cartridge as a plurality of test units, the first test unit type situated at first positions within the stacked configuration for detecting a first analyte and the second test unit type situated at second positions within the stacked configuration for detecting a second analyte so as to allow detection of the first analyte and the second analyte at a predetermined interval; operating an actuator, which operates a mechanism that (i) readies a lancing device, (ii) exposes an analyte sensor of a test unit, and (iii) advances the lancet cartridge; deploying the lancing device in order to prick the body part and draw a blood sample; and contacting the analyte sensor to the blood sample.