This technical report is part of a package of documents produced in the course of a consultant study on mortality cohort studies among people who are using drugs in the EU27, Norway and Turkey commissioned by the EMCDDA. The objective was to revise the existing Standard Table 18 (ST18) and its core items to improve the comparability and utilization of mortality cohort studies. Further, this report aims to promote standardized data collection and reporting by the National Focal Points and their drug‐related deaths experts, and encourage more countries to report their findings in this area. The intended users of this document are the national focal points, their affiliated/nominated national researchers, and other interested researchers.