The μTASWako DCP immunological test system is an in vitro device consisting of reagents used with the μTASWako i30 immunoanalyzer to quantitatively measure, by immunochemical techniques, des-gamma-carboxyprothrombin (DCP) in human serum. It is ideal for use as an aid in the risk assessment of patients with chronic liver disease for development of hepatocellular carcinoma (HCC) in conjunction with other laboratory findings, imaging studies, and clinical assessment.