The quality control division of Randox Laboratories, Crumlin, UK, has expanded its quality control portfolio with the launch of Acusera CSF control. The control consolidates 15 key analytes in a single control, providing laboratories with a third-party solution for the measurement of cerebrospinal fluid while covering a full clinical range. The assayed liquid ready-to-use control has been developed with a 2-year shelf life and open-vial stability of 30 days at 2–8°C. To complement the offering, the company has launched a RIQAS cerebrospinal fluid external quality assessment program. Designed to monitor the control’s performance, the subscription service features liquid ready-to-use samples, testing that covers a range of clinically relevant decision levels, monthly analysis, reports available within 72 hours, and the option to submit results online. For more information, visit AACC booth 2927 or Randox Laboratories.