This quality standard defines clinical best practice within this topic area. It provides specific, concise quality statements, measures and audience descriptors to provide the public, health and social care professionals, commissioners and service providers with definitions of high-quality care.

This quality standard covers the treatment of adults (18 years or over) who misuse opioids, cannabis, stimulants or other drugs in all settings in which care is received, in particular inpatient and specialist residential and community-based treatment settings. This includes related organisations such as prison services and the interface with other services, for example those provided by the voluntary sector.

This quality standard was previously called the quality standard for drug use disorders.