An apparatus and a method for measuring a property of a blood sample is shown. The apparatus comprises a housing having an aperture a shaft (204) mounted inside the housing a testing member (505) rotatably mounted on the shaft an actuating member (501 502) coupled to the housing and configured to exert a force against the testing member and a lancet (506) for eliciting a blood sample fixedly coupled to and protruding substantially radially from the testing member and configured to co rotate with the testing member. The apparatus is further configured such that the lancet is aligned with the aperture in the housing when the testing member is in a first position. The testing member is configured in the presence of a force exerted against the testing member by the actuator member to translate to a second position in which the lancet is in a skin penetrating position.
