Rating Risk Events Why We Should Replace The Risk Priority Number (RPN) With The Adjusted Risk Likelihood (ARL)
Guest Column | April 7, 2021 Rating Risk Events: Why We Should Replace The Risk Priority Number (RPN) With The Adjusted Risk Likelihood (ARL) 1 ISO 31000 describes a risk as the “effect of uncertainty on objectives.” 2 Both definitions include the significance of managing both a risk event’s uncertainty and impact. Thus, any risk rating system must preserve both attributes to the maximum extent possible. The most common approach for rating risk events in the medical device and pharmaceutical industries is identified in ICH Q9 by failure mode and effect analysis ...