Lancet device includes a housing, a removable front cap mounted to the housing, a lancet holding member, and a trigger. A system is utilized for placing the lancet device in a trigger-set or armed position. A depth adjustment system includes a member that is at least partially rotatably mounted and that has an axis of rotation arranged substantially perpendicular to a center axis of the lancet holding member. An ejection system is utilized for at least one of preventing axial movement of the lancet holding member and removing or ejecting a lancet from the lancet holding member.