The National Registry for the Treatment of Drug Users (NRLUD) is a registry focused on the collection of data on patients entering and exiting addiction treatment, including contact, counseling and resocialization programs for drug users, i.e. data collection, verification, storage, protection and processing. This register provides summary data for statistical overviews at both national and international levels, as well as for epidemiological studies and health research. The data will be used in the creation of the drug policy and strategy of the Czech Republic and in the international context as well as in the EU.

The treatment request indicator is one of the five key indicators of drug epidemiology established by the European Monitoring Center for Drugs and Drug Addiction (hereafter EMCDDA), the collection of which is imposed on EU member states in Article 5 of Regulation (EC) No. 1920/2006 of the European Parliament and of the Council on December 12, 2006. The monitoring of treatment requests is part of the Drug Information System, the implementation of which is envisaged by a number of government resolutions on national drug policy strategies and their action plans, currently on the National Drug Policy Strategy for the period 2010–2018 and the action plan for the period 2010–2012. Treatment together with social reintegration and harm reduction, i.e. reducing the negative consequences of drug use, are two of the four pillars of the Czech anti-drug strategy. Without monitoring developments in the provision of treatment and specialized services to drug users, developments in these areas of drug policy cannot be monitored and evaluated.

Statistical unit of inquiry: A statistical unit is a person with problems caused by the use of addictive substances or a person addicted to them who entered or was included in a program aimed at counseling and addiction treatment carried out by treatment and counseling facilities.