The invention relates to a portable diagnostic measurement device for determining at least one analysis parameter of a bodily fluid, in particular for determining an analyte concentration in a bodily fluid and particularly preferably for blood glucose determinations, and to an analysis system which comprises the measurement device and at least one disposable (to be used one time) testing element. The testing element, designed as a carrier strip, contacts a receiving surface of the diagnostic measurement device at least partially in a flat manner, wherein the receiving surface is arranged on a narrow side of the housing of the measurement device.
