National Drug Treatment Reporting System (NDTRS)

Data Collection Type
National data collections of health and social care in Ireland

Health Research Board

Year established


Statement of purpose

The National Drug Treatment Reporting System (NDTRS) was established as an epidemiological database on treated drug and alcohol misuse in Ireland. It records incidence of drug and alcohol treatment.




The NDTRS is an epidemiological database on treated cases and problem drug and alcohol use in Ireland. It records episodes of treatment during the calendar year. It also records incidence and prevalence of drug and alcohol treatment.

Data content

Basic demographic information; reason for treatment, source of referral. If treated, up to five problem drugs including alcohol can be recorded; history of drug use; risk behaviour in relation to injecting; type of treatment; treatment outcomes.

Data providers

Drug treatment centres in Ireland including residential, general practitioners (GPs), prisons.

Data collection methodology

Service providers at drug treatment centres throughout Ireland compile a record of each individual who attends for treatment either online or through paper form.

Clinical coding scheme


Size of national collection

Approximately 30,000 records created on average annually.

Publication frequency

Annual report published by the European Monitoring Centre for Drugs and Drug Addiction (EMCDDA); annual reports specific to Ireland 2002–2012.

Accessing data

Through interactive tables available at 
Data requests to the HRB.
Published data on 

Open data portal access


Email contact
Telephone contact
Other comments

Currently being redeveloped as an online system.