A device for use with a penetrating member driver to penetrate tissue is provided. The device includes a single cartridge coupled to a plurality of penetrating members and operatively couplable to the penetrating member driver. The penetrating members are movable to extend radially outward from the cartridge to penetrate tissue. A plurality of optical analyte sensors are coupled to the single cartridge and positioned to receive body fluid from a wound in the tissue created by the penetrating member.